MAXM15066AMBT

更新时间:2024-10-29 23:22:08
品牌:MAXIM
描述:4.5V to 60V, 300mA Himalaya uSLIC Step-Down Power Module

MAXM15066AMBT 概述

4.5V to 60V, 300mA Himalaya uSLIC Step-Down Power Module

MAXM15066AMBT 数据手册

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EVALUATION KIT AVAILABLE  
Click here for production status of specific part numbers.  
MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
General Description  
Benefits and Features  
● Easy to Use  
The Himalaya series of voltage regulator ICs and power  
modules enable cooler, smaller, and simpler power-supply  
solutions. The MAXM15065/MAXM15066/MAXM15067  
are a family of high-efficiency, synchronous step-down  
DC-DC modules with integrated controller, MOSFETs,  
compensation components, and inductor that operate  
over a wide input-voltage range. The modules oper-  
ate from 4.5V to 60V input and deliver up to 300mA  
output current. The MAXM15065 and MAXM15066  
are fixed 3.3V and 5V output modules respectively.  
The MAXM15067 is an adjustable output (0.9V to  
6.3V) module. The modules significantly reduce design  
complexity, manufacturing risks, and offer a true plug and  
play power/supply solution, reducing time-to-market.  
• Wide 4.5V to 60V Input  
• Adjustable 0.9V to 6.3V Output  
• Fixed 3.3V and 5V Output  
(MAXM15065 and MAXM15066)  
• ±1.5% Feedback Accuracy  
• Up to 300mA Output-Current  
• Internally Compensated  
• All Ceramic Capacitors  
● High Efficiency  
• Selectable PWM- or PFM-Mode of Operation  
Shutdown Current as Low as 2.2μA (typ)  
● Flexible Design  
• Internal Soft-Start and Prebias Startup  
• Open-Drain Power Good Output (RESET Pin)  
• Programmable EN/UVLO Threshold  
The MAXM15065/MAXM15066/MAXM15067 modules  
employ peak-current-mode control architecture. To reduce  
input inrush current, the modules offer a fixed 3.75ms  
soft-start time.  
● Robust Operation  
• Hiccup Overcurrent Protection  
• Overtemperature Protection  
• -40°C to +125°C Ambient Operating Temperature/  
-40°C to +150°C Junction Temperature  
The MAXM15065/MAXM15066/MAXM15067 modules  
are available in a low profile, compact 10-pin, 2.6mm x  
3mm x 1.5mm, uSLIC™ package.  
● Rugged  
Applications  
• Complies with CISPR22(EN55022) Class B  
Conducted and Radiated Emissions  
• Passes Drop, Shock, and Vibration Standards:  
JESD22-B103, B104, B111  
Industrial Sensors and Encoders  
4-20mA Current-Loop Powered Sensors  
LDO Replacement  
HVAC and Building Control  
Battery-Powered Equipment  
General Purpose Point-of-Load  
USB Type-C Powered Loads  
Ordering Information appears at end of data sheet.  
uSLIC is a trademark of Maxim Integrated Products, Inc.  
Typical Application Circuit 2.5V  
Typical Application Circuit 5V  
VOUT  
2.5V, 300mA  
VOUT  
5V, 300mA  
V
24V  
V
IN  
24V  
IN  
V
OUT  
GND  
V
OUT  
GND  
IN  
IN  
C
10µF  
C
OUT  
10µF  
OUT  
C
C
IN  
1µF  
IN  
R3  
133kΩ  
R1  
2.2MΩ  
RESET  
EN/UVLO  
1µF  
MAXM15067  
EN/UVLO  
MAXM15066  
RESET  
FB  
LX  
FB  
LX  
V
V
CC  
CC  
R2  
825kΩ  
R4  
75kΩ  
C1  
1µF  
C1  
1µF  
MODE  
MODE  
19-100508: Rev 0; 3/19  
MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Absolute Maximum Ratings  
IN  
LX, OUT and GND .....................................-0.3V to (V + 0.3V)  
V
, EN/UVLO to GND............................................-0.3V to 70V  
Junction Temperature (Note 1)........................................+150°C  
Storage Temperature Range............................ -55°C to +125°C  
Lead temperature (soldering,10s)...................................+260°C  
Soldering Temperature (reflow).......................................+260°C  
IN  
V
, FB, RESET to GND..........................................-0.3V to 6V  
CC  
MODE to GND.......................................... -0.3V to (V  
+ 0.3V)  
CC  
Output Short-Circuit Duration....................................Continuous  
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these  
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect  
device reliability.  
Package Information  
PACKAGE TYPE: 10-PIN uSLIC  
Package Code  
M102A3+2  
21-100094  
90-100027  
Outline Number  
Land Pattern Number  
THERMAL RESISTANCE, FOUR-LAYER BOARD (Note 2)  
Junction to Ambient (θ 41.56 ºC/W  
)
JA  
For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a “+”,  
“#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing  
pertains to the package regardless of RoHS status.  
Note 1: Junction temperature greater than +125°C degrades operating lifetimes.  
Note 2: Package thermal resistance is measured on an evaluation board with natural convection.  
Electrical Characteristics  
(V = V  
= 24V, V  
= 0V, C  
= 1μF, FB = 1V (MAXM15067), FB = 3.6V (MAXM15065) FB = 5.5V (MAXM15066),  
IN  
EN/UVLO  
GND  
VCC  
LX = MODE = RESET = OUT = unconnected; T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C.  
A
A
All voltages are referenced to GND, unless otherwise noted.) (Note 3)  
PARAMETER  
INPUT SUPPLY (V  
SYMBOL  
CONDITIONS  
MIN  
TYP  
MAX UNITS  
)
IN  
Input-Voltage Range  
V
4.5  
60  
4
V
IN  
Input-Shutdown Current  
I
V
= 0V, shutdown mode  
2.2  
95  
μA  
μA  
mA  
IN-SH  
EN/UVLO  
I
MODE = unconnected, FB = 1.03 × V  
160  
Q-PFM  
FB-REG  
Input-Supply Current  
I
Normal switching mode, V = 24V, MODE=0  
3.2  
Q-PWM  
IN  
ENABLE/UVLO (EN/UVLO)  
V
V
V
V
rising  
1.19  
1.06  
1.215  
1.09  
0.75  
1.28  
1.16  
ENR  
EN/UVLO  
EN/UVLO  
EN/UVLO  
EN/UVLO Threshold  
V
falling  
V
ENF  
EN-TRUESD  
V
falling, true shutdown  
EN/UVLO Input-Leakage Current  
I
T
= +25°C  
A
-100  
+100  
nA  
EN/UVLO  
LDO (V  
)
CC  
V
V
Output-Voltage Range  
Current Limit  
V
6V < V < 60V, 0mA < I < 10mA  
VCC  
4.75  
13  
5
5.25  
50  
V
CC  
CC  
IN  
I
V
= 4.3V  
30  
mA  
CC  
VCC-MAX  
CC  
Maxim Integrated  
2  
www.maximintegrated.com  
MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Electrical Characteristics (continued)  
(V = V  
= 24V, V  
= 0V, C  
= 1μF, FB = 1V (MAXM15067), FB = 3.6V (MAXM15065) FB = 5.5V (MAXM15066),  
IN  
EN/UVLO  
GND  
VCC  
LX = MODE = RESET = OUT = unconnected; T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C.  
A
A
All voltages are referenced to GND, unless otherwise noted.) (Note 3)  
PARAMETER  
Dropout  
SYMBOL  
CONDITIONS  
= 4.5V, I = 5mA  
VCC  
MIN  
TYP  
0.15  
4.18  
3.8  
MAX UNITS  
V
V
V
V
V
V
0.3  
4.3  
V
CC  
CC-DO  
IN  
V
rising  
falling  
4.05  
3.7  
CC-UVR  
CC  
CC  
UVLO  
V
CC  
V
3.95  
CC-UVF  
SOFT-START (SS)  
Soft-Start Time  
t
3.5  
3.75  
4
ms  
SS  
FEEDBACK (FB)  
MODE = GND, MAXM15067  
MODE = unconnected, MAXM15067  
MODE = GND, MAXM15065  
MODE = unconnected, MAXM15065  
MODE = GND, MAXM15066  
MODE = unconnected, MAXM15066  
MAXM15067  
0.887  
0.887  
3.25  
3.25  
4.93  
4.93  
-100  
0.90  
0.915  
3.30  
3.35  
5.00  
5.08  
-25  
0.913  
0.936  
3.35  
3.42  
5.07  
5.18  
FB-Regulation Voltage  
V
V
FB-REG  
FB-Leakage Current  
TIMING  
I
nA  
FB  
Switching Frequency  
f
515  
550  
585  
kHz  
%
SW  
FB Undervoltage Trip Level to  
Cause Hiccup  
62.5  
64.5  
66.5  
Hiccup Timeout  
120  
90  
ms  
ns  
%
Minimum On-Time  
Maximum Duty Cycle  
t
120  
94  
ON-MIN  
D
FB = 0.98 x FB  
89  
91.4  
MAX  
REG  
RESET  
FB rising  
93.5  
90  
95.5  
92  
97.5  
94  
%
%
FB Threshold for RESET Rising  
FB falling  
FB Threshold for RESET Falling  
RESET Delay After FB Reaches  
Rising Threshold  
1.9  
ms  
0.2  
0.1  
V
I
= 5mA  
RESET Output-Level Low  
RESET Output-Leakage Current  
MODE  
RESET  
μA  
V
= 5.5V, T = +25°C  
A
RESET  
MODE Internal Pullup Resistor  
THERMAL SHUTDOWN  
Thermal-Shutdown Threshold  
Thermal-Shutdown Hysteresis  
500  
kΩ  
Temperature rising  
166  
10  
°C  
°C  
Note 3: Electrical specifications are production tested at T = +25°C. Specifications over the entire operating temperature range are  
A
guaranteed by design and characterization.  
Maxim Integrated  
3  
www.maximintegrated.com  
MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Typical Operating Characteristics  
(V = V  
= 24V, V  
= 0V, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C. All voltages are  
IN  
EN/UVLO  
GND A A  
referenced to GND, unless otherwise noted. The circuit values for different output-voltage applications are as in Table 1, unless other-  
wise noted.)  
MAXM15067  
EFFICIENCY vs. LOAD CURRENT  
MAXM15067  
EFFICIENCY vs. LOAD CURRENT  
MAXM15067  
EFFICIENCY vs. LOAD CURRENT  
ADJUSTABLE VOUT = 2.5V, PWM MODE  
ADJUSTABLE VOUT = 1.5V, PWM MODE  
ADJUSTABLE VOUT = 0.9V, PWM MODE  
toc03  
toc02  
toc01  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
VIN = 5V  
VIN = 5V  
VIN = 12V  
VIN = 24V  
VIN = 36V  
VIN = 5V  
VIN = 12V  
VIN = 20V  
VIN = 12V  
0
0
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
MAXM15067  
EFFICIENCY vs. LOAD CURRENT  
MAXM15067  
EFFICIENCY vs. LOAD CURRENT  
MAXM15067  
EFFICIENCY vs. LOAD CURRENT  
ADJUSTABLE VOUT = 5V, PWM MODE  
ADJUSTABLE VOUT = 6.3V, PWM MODE  
ADJUSTABLE VOUT = 3.3V, PWM MODE  
toc05  
toc06  
toc04  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
VIN = 5.5V  
VIN = 12V  
VIN = 12V  
VIN = 24V  
VIN = 12V  
VIN = 24V  
VIN = 36V  
VIN = 48V  
VIN = 36V  
VIN = 48V  
VIN = 60V  
VIN = 24V  
VIN = 36V  
VIN = 60V  
VIN = 48V  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
MAXM15067  
EFFICIENCY vs. LOAD CURRENT  
ADJUSTABLE VOUT = 0.9V, PFM MODE  
MAXM15065  
EFFICIENCY vs. LOAD CURRENT  
MAXM15066  
EFFICIENCY vs. LOAD CURRENT  
FIXED VOUT = 5V, PWM MODE  
FIXED VOUT = 3.3V, PWM MODE  
toc09  
toc07  
toc08  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
VIN = 5V  
VIN = 5.5V  
VIN = 12V  
VIN = 12V  
VIN = 24V  
VIN = 36V  
VIN = 12V  
VIN = 24V  
VIN = 36V  
VIN = 48V  
VIN = 60V  
VIN = 48V  
1
10  
100  
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
LOAD CURRENT (mA)  
Maxim Integrated  
4  
www.maximintegrated.com  
MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Typical Operating Characteristics (continued)  
(V = V  
= 24V, V  
= 0V, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C. All voltages are  
IN  
EN/UVLO  
GND A A  
referenced to GND, unless otherwise noted. The circuit values for different output-voltage applications are as in Table 1, unless other-  
wise noted.)  
MAXM15067  
MAXM15067  
MAXM15067  
EFFICIENCY vs. LOAD CURRENT  
ADJUSTABLE VOUT = 2.5V, PFM MODE  
EFFICIENCY vs  
.
LOAD CURRENT  
EFFICIENCY vs  
.
LOAD CURRENT  
ADJUSTABLE VOUT = 3.3V, PFM MODE  
ADJUSTABLE VOUT = 1.5V, PFM MODE  
toc10  
toc13  
toc16  
toc11  
toc12  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
VIN = 5.5V  
VIN = 5V  
VIN = 5V  
VIN = 36V  
VIN = 36V  
VIN =12V  
VIN = 20V  
VIN = 12V  
VIN = 48V  
VIN = 24V  
VIN = 24V  
VIN = 12V  
1
10  
100  
1
10  
100  
1
10  
100  
LOAD CURRENT (mA)  
LOAD CURRENT (mA)  
LOAD CURRENT (mA)  
MAXM15067  
EFFICIENCY vs. LOAD CURRENT  
ADJUSTABLE VOUT = 5V, PFM MODE  
MAXM15067  
MAXM15065  
EFFICIENCY vs. LOAD CURRENT  
ADJUSTABLE VOUT = 6.3V, PFM MODE  
EFFICIENCY vs. LOAD CURRENT  
FIXED VOUT = 3.3V, PFM MODE  
toc15  
toc14  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
VIN = 5.5V  
VIN = 60V  
VIN = 60V  
VIN = 48V  
VIN = 36V  
VIN = 36V  
VIN = 24V  
VIN = 36V  
VIN = 48V  
VIN = 24V  
VIN = 48V  
VIN=24V  
V
IN = 12V  
VIN = 12V  
VIN = 12V  
1
10  
100  
1
10  
100  
1
10  
100  
LOAD CURRENT (mA)  
LOAD CURRENT (mA)  
LOAD CURRENT (mA)  
MAXM15067  
MAXM15066  
EFFICIENCY vs. LOAD CURRENT  
FIXED VOUT = 5V, PFM MODE  
MAXM15067  
OUTPUT VOLTAGEvs. LOAD CURRENT  
ADJUSTABLE VOUT = 1.5V, PWM MODE  
OUTPUT VOLTAGEvs. LOAD CURRENT  
ADJUSTABLE VOUT = 0.9V, PWM MODE  
toc18  
toc17  
1.500  
1.498  
1.496  
1.494  
1.492  
1.490  
1.488  
1.486  
1.484  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
0.904  
0.903  
0.902  
0.901  
0.900  
0.899  
0.898  
0.897  
0.896  
VIN = 5V  
VIN = 5V  
VIN = 12V  
VIN = 60V  
VIN = 48V  
VIN = 36V  
VIN = 24V  
VIN = 12V  
VIN = 20V  
VIN = 12V  
1
10  
LOAD CURRENT (mA)  
100  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
Maxim Integrated  
5  
www.maximintegrated.com  
MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Typical Operating Characteristics (continued)  
(V = V  
= 24V, V  
= 0V, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C. All voltages are  
IN  
EN/UVLO  
GND A A  
referenced to GND, unless otherwise noted. The circuit values for different output-voltage applications are as in Table 1, unless other-  
wise noted.)  
MAXM15067  
MAXM15067  
MAXM15067  
OUTPUT VOLTAGEvs. LOAD CURRENT  
OUTPUT VOLTAGEvs  
.
LOAD CURRENT  
OUTPUT VOLTAGEvs  
.
LOAD CURRENT  
ADJUSTABLE VOUT = 3.3V, PWM MODE  
ADJUSTABLE VOUT = 5V, PWM MODE  
ADJUSTABLE VOUT = 2.5V, PWM MODE  
toc19  
toc20  
toc21  
3.300  
3.292  
3.284  
3.276  
3.268  
3.260  
3.252  
3.244  
3.236  
3.228  
5.10  
5.08  
5.06  
5.04  
5.02  
5.00  
4.98  
4.96  
2.504  
2.498  
2.492  
2.486  
2.480  
2.474  
2.468  
2.462  
2.456  
2.450  
V
IN = 12V  
VIN = 12V  
VIN = 36V  
VIN = 24V  
VIN = 5.5V  
VIN = 24V  
VIN = 12V  
VIN = 24V  
VIN = 5V  
VIN = 36V  
VIN = 48V  
VIN = 48V  
VIN = 36V  
VIN = 60V  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
MAXM15067  
OUTPUT VOLTAGEvs. LOAD CURRENT  
ADJUSTABLE VOUT = 6.3V, PWM MODE  
MAXM15066  
MAXM15065  
OUTPUT VOLTAGEvs. LOAD CURRENT  
OUTPUT VOLTAGEvs  
. LOAD CURRENT  
FIXED VOUT = 3.3V, PWM MODE  
FIXED VOUT = 5V, PWM MODE  
toc22  
toc23  
toc24  
6.40  
6.38  
6.36  
6.34  
6.32  
6.30  
6.28  
6.26  
6.24  
6.22  
6.20  
3.306  
3.304  
3.302  
3.300  
3.298  
3.296  
3.294  
5.004  
5.002  
5.000  
4.998  
4.996  
4.994  
VIN = 36V  
V
IN = 12V  
VIN = 60V  
VIN = 48V  
VIN = 24V  
VIN = 48V  
VIN = 48V  
VIN = 60V  
VIN = 5.5V  
VIN = 36V  
VIN = 12V  
VIN = 24V  
VIN = 36V  
VIN = 24V  
VIN = 12V  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
MAXM15067  
OUTPUT VOLTAGEvs. LOAD CURRENT  
MAXM15067  
OUTPUT VOLTAGEvs. LOAD CURRENT  
MAXM15067  
OUTPUT VOLTAGEvs. LOAD CURRENT  
ADJUSTABLE VOUT = 2.5V, PFM MODE  
ADJUSTABLE VOUT = 1.5V, PFM MODE  
ADJUSTABLE VOUT = 0.9V, PFM MODE  
toc27  
toc25  
toc26  
1.55  
1.54  
1.53  
1.52  
1.51  
1.50  
1.49  
1.48  
2.58  
2.56  
2.54  
2.52  
2.50  
2.48  
2.46  
2.44  
0.934  
0.925  
0.916  
0.907  
0.898  
0.889  
0.880  
VIN = 5V  
VIN = 5V  
VIN =12V  
VIN = 36V  
VIN = 20V  
VIN =12V  
VIN = 24V  
VIN =12V  
VIN = 5V  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
Maxim Integrated  
6  
www.maximintegrated.com  
MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Typical Operating Characteristics (continued)  
(V = V  
= 24V, V  
= 0V, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C. All voltages are  
IN  
EN/UVLO  
GND A A  
referenced to GND, unless otherwise noted. The circuit values for different output-voltage applications are as in Table 1, unless other-  
wise noted.)  
MAXM15067  
OUTPUT VOLTAGEvs. LOAD CURRENT  
ADJUSTABLE VOUT = 3.3V, PFM MODE  
MAXM15067  
MAXM15067  
OUTPUT VOLTAGEvs  
.
LOAD CURRENT  
OUTPUT VOLTAGEvs  
.
LOAD CURRENT  
ADJUSTABLE VOUT = 5V, PFM MODE  
ADJUSTABLE VOUT = 6.3V, PFM MODE  
toc28  
toc29  
toc30  
5.20  
5.16  
5.12  
5.08  
5.04  
5.00  
6.50  
6.47  
6.44  
6.41  
6.38  
6.35  
6.32  
6.29  
6.26  
6.23  
6.20  
3.39  
3.37  
3.35  
3.33  
3.31  
3.29  
3.27  
3.25  
VIN = 60V  
VIN = 36V  
VIN = 60V  
VIN = 48V  
VIN = 24V  
VIN = 48V  
VIN = 12V  
VIN = 36V  
VIN = 24V  
VIN = 5.5V  
VIN = 24V  
VIN = 36V  
VIN = 12V  
V
IN =12V  
VIN = 48V  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
MAXM15065  
OUTPUT VOLTAGEvs. LOAD CURRENT  
MAXM15066  
OUTPUT VOLTAGEvs. LOAD CURRENT  
MAXM15067 OUTPUT VOLTAGE RIPPLE  
VIN = 12V, ADJUSTABLE VOUT = 1.5V,  
FIXED VOUT = 3.3V, PFM MODE  
FIXED VOUT = 5V, PFM MODE  
FULL LOAD, PWM MODE  
toc31  
toc32  
toc33  
3.39  
3.37  
3.35  
3.33  
3.31  
3.29  
3.27  
3.25  
5.110  
5.085  
5.060  
5.035  
5.010  
4.985  
4.960  
VIN = 24V  
VIN = 12V  
VIN = 5.5V  
VIN = 36V  
VIN = 24V  
VIN = 12V  
VIN = 36V  
10mV/div  
VOUT(AC)  
VIN = 48V  
VIN = 60V  
VIN = 48V  
2µs/div  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
0
30 60 90 120 150 180 210 240 270 300  
LOAD CURRENT (mA)  
MAXM15067 OUTPUT VOLTAGE RIPPLE  
VIN = 24V, ADJUSTABLE VOUT = 3.3V,  
MAXM15065 OUTPUT VOLTAGE RIPPLE  
VIN = 24V, FIXED VOUT = 3.3V,  
FULL LOAD, PWM MODE  
MAXM15067 OUTPUT VOLTAGE RIPPLE  
VIN = 24V, ADJUSTABLE VOUT = 5V,  
FULL LOAD, PWM MODE  
toc36  
FULL LOAD, PWM MODE  
toc34  
toc35  
10mV/div  
VOUT(AC)  
VOUT(AC)  
10mV/div  
VOUT(AC)  
10mV/div  
2µs/div  
2µs/div  
2µs/div  
Maxim Integrated  
7  
www.maximintegrated.com  
MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Typical Operating Characteristics (continued)  
(V = V  
= 24V, V  
= 0V, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C. All voltages are  
IN  
EN/UVLO  
GND A A  
referenced to GND, unless otherwise noted. The circuit values for different output-voltage applications are as in Table 1, unless other-  
wise noted.)  
MAXM15066 OUTPUT VOLTAGE RIPPLE  
VIN = 24V, FIXED VOUT = 5V  
MAXM15067 INPUT VOLTAGE RIPPLE  
VIN = 24V, ADJUSTABLE VOUT = 3.3V,  
FULL LOAD, PWM MODE  
MAXM15067 INPUT VOLTAGE RIPPLE  
VIN = 12V, ADJUSTABLE VOUT = 1.5V  
FULL LOAD, PWM MODE  
FULL LOAD, PWM MODE  
toc39  
toc38  
toc37  
VIN(AC)  
VIN(AC)  
50mV/div  
50mV/div  
VOUT(AC)  
10mV/div  
2µs/div  
2µs/div  
2µs/div  
MAXM15065 INPUT VOLTAGE RIPPLE  
VIN = 24V, FIXED VOUT = 3.3V,  
FULL LOAD, PWM MODE  
MAXM15066 INPUT VOLTAGE RIPPLE  
VIN = 24V, FIXED VOUT = 5V  
MAXM15067 INPUT VOLTAGE RIPPLE  
VIN = 24V, ADJUSTABLE VOUT = 5V,  
FULL LOAD, PWM MODE  
FULL LOAD, PWM MODE  
toc41  
toc42  
toc40  
100mV/div  
VIN(AC)  
100mV/div  
VIN(AC)  
50mV/div  
VIN(AC)  
2µs/div  
2µs/div  
2µs/div  
MAXM15067 LOAD TRANSIENT RESPONSE  
VIN = 12V, ADJUSTABLE VOUT = 1.5V, PFM MODE  
(LOAD CURRENT STEPPED FROM 5mA to 150 A)  
MAXM15067 LOAD TRANSIENT RESPONSE  
VIN = 12V, ADJUSTABLE VOUT = 1.5V, PWM MODE  
MAXM15067 LOAD TRANSIENT RESPONSE  
VIN = 24V, ADJUSTABLE VOUT = 3.3V, PFM MODE  
m
toc43  
(LOAD CURRENT STEPPED FROM 150mA TO 300mA)  
(LOAD CURRENT STEPPED FROM 5mA TO 150mA)  
toc44  
toc45  
VOUT(AC)  
50mV/div  
VOUT(AC)  
50mV/div  
100mV/div  
VOUT(AC)  
100mA/div  
IOUT  
IOUT  
100mA/div  
100mA/div  
IOUT  
100µs/div  
100µs/div  
100µs/div  
Maxim Integrated  
8  
www.maximintegrated.com  
MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Typical Operating Characteristics (continued)  
(V = V  
= 24V, V  
= 0V, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C. All voltages are  
IN  
EN/UVLO  
GND A A  
referenced to GND, unless otherwise noted. The circuit values for different output-voltage applications are as in Table 1, unless other-  
wise noted.)  
MAXM15067 LOAD TRANSIENT RESPONSE  
VIN=24V, ADJUSTABLE VOUT = 3.3V, PWM MODE  
MAXM15067 LOAD TRANSIENT RESPONSE  
VIN = 24V, ADJUSTABLE VOUT = 5V, PFM MODE  
MAXM15067 LOAD TRANSIENT RESPONSE  
VIN = 24V, ADJUSTABLE VOUT = 5V, PWM MODE  
(LOAD CURRENT STEPPED FROM 150mA TO 300mA)  
(LOAD CURRENT STEPPED FROM 5mA TO 150mA)  
(LOAD CURRENT STEPPED FROM 150mA TO 300mA)  
toc47  
toc48  
toc46  
VOUT(AC)  
100mV/div  
VOUT(AC)  
100mV/div  
100mA/div  
200mV/div  
VOUT(AC)  
100mA/div  
100mA/div  
IOUT  
IOUT  
IOUT  
100µs/div  
100µs/div  
100µs/div  
MAXM15066 LOAD TRANSIENT RESPONSE  
VIN = 24V, FIXED VOUT = 5V, PFM MODE  
MAXM15065 LOAD TRANSIENT RESPONSE  
VIN = 24V, FIXED VOUT = 3.3V, PFM MODE  
MAXM15065 LOAD TRANSIENT RESPONSE  
VIN = 24V, FIXED VOUT = 3.3V, PWM MODE  
(LOAD CURRENT STEPPED FROM 5mA TO 150mA)  
(LOAD CURRENT STEPPED FROM 5mA TO 150mA)  
(LOAD CURRENT STEPPED FROM 150mA TO 300mA)  
toc49  
toc50  
toc51  
100mV/div  
VOUT(AC)  
100mV/div  
200mV/div  
VOUT(AC)  
VOUT(AC)  
100mA/div  
100mA/div  
IOUT  
100mA/div  
IOUT  
IOUT  
100µs/div  
100µs/div  
100µs/div  
MAXM15066 LOAD TRANSIENT RESPONSE  
VIN = 24V, FIXED VOUT = 5V, PWM MODE  
MAXM15067 SHUTDOWN THROUGH ENABLE  
VIN = 12V, ADJUSTABLE VOUT = 1.5V,  
MAXM15067 STARTUP THROUGH ENABLE  
VIN = 12V, ADJUSTABLE VOUT = 1.5V,  
FULL LOAD, PWM MODE  
(LOAD CURRENT STEPPED FROM 150mA TO 300mA)  
FULL LOAD, PWM MODE  
toc52  
toc53  
toc54  
5V/div  
EN/UVLO  
LX  
5V/div  
VOUT(AC)  
EN/UVLO  
LX  
100mV/div  
10V/div  
1V/div  
10V/div  
100mA/div  
1V/div  
5V/div  
VOUT  
VOUT  
5V/div  
RESET  
IOUT  
RESET  
100µs/div  
1ms/div  
100µs/div  
Maxim Integrated  
9  
www.maximintegrated.com  
MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Typical Operating Characteristics (continued)  
(V = V  
= 24V, V  
= 0V, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C. All voltages are  
IN  
EN/UVLO  
GND A A  
referenced to GND, unless otherwise noted. The circuit values for different output-voltage applications are as in Table 1, unless other-  
wise noted.)  
MAXM15067 STARTUP THROUGH ENABLE (2V PREBIAS)  
VIN = 24V, ADJUSTABLE VOUT = 3.3V,  
MAXM15067 STARTUP THROUGH ENABLE  
VIN = 24V, ADJUSTABLE VOUT = 3.3V,  
MAXM15067 SHUTDOWN THROUGH ENABLE  
VIN = 24V, ADJUSTABLE VOUT = 3.3V,  
NO LOAD, PWM MODE  
FULL LOAD, PWM MODE  
toc55  
FULL LOAD, PWM MODE  
toc56  
toc57  
5V/div  
5V/div  
EN/UVLO  
LX  
EN/UVLO  
EN/UVLO  
LX  
5V/div  
LX  
20V/div  
2V/div  
20V/div  
2V/div  
20V/div  
VOUT  
5V/div  
VOUT  
5V/div  
2V/div  
5V/div  
VOUT  
RESET  
RESET  
RESET  
1ms/div  
100µs/div  
1ms/div  
MAXM15067 STARTUP THROUGH ENABLE (2V PREBIAS)  
VIN = 24V, ADJUSTABLE VOUT = 3.3V,  
MAXM15067 STARTUP THROUGH ENABLE  
VIN = 24V, ADJUSTABLE VOUT = 5V,  
MAXM15067 SHUTDOWN THROUGH ENABLE  
VIN = 24V, ADJUSTABLE VOUT = 5V,  
NO LOAD, PFM MODE  
FULL LOAD, PWM MODE  
FULL LOAD, PWM MODE  
toc58  
toc59  
toc60  
5V/div  
5V/div  
EN/UVLO  
EN/UVLO  
LX  
EN/UVLO  
LX  
5V/div  
LX  
20V/div  
2V/div  
20V/div  
2V/div  
20V/div  
VOUT  
VOUT  
5V/div  
2V/div  
5V/div  
5V/div  
VOUT  
RESET  
RESET  
RESET  
1ms/div  
100µs/div  
1ms/div  
MAXM15065 STARTUP THROUGH ENABLE  
VIN = 24V, FIXED VOUT = 3.3V,  
MAXM15065 SHUTDOWN THROUGH ENABLE  
VIN = 24V, FIXED VOUT = 3.3V,  
MAXM15065 STARTUP THROUGH ENABLE (2V PREBIAS)  
VIN = 24V, FIXED VOUT = 3.3V,  
FULL LOAD, PWM MODE  
NO LOAD, PWM MODE  
FULL LOAD, PWM MODE  
toc61  
toc62  
toc63  
5V/div  
5V/div  
EN/UVLO  
LX  
5V/div  
EN/UVLO  
EN/UVLO  
LX  
20V/div  
2V/div  
5V/div  
LX  
20V/div  
2V/div  
20V/div  
5V/div  
VOUT  
VOUT  
2V/div  
5V/div  
VOUT  
RESET  
RESET  
RESET  
1ms/div  
1ms/div  
100µs/div  
Maxim Integrated  
10  
www.maximintegrated.com  
MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Typical Operating Characteristics (continued)  
(V = V  
= 24V, V  
= 0V, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C. All voltages are  
IN  
EN/UVLO  
GND A A  
referenced to GND, unless otherwise noted. The circuit values for different output-voltage applications are as in Table 1, unless other-  
wise noted.)  
MAXM15066 STARTUP THROUGH ENABLE  
VIN = 24V, FIXED VOUT = 5V,  
MAXM15066 SHUTDOWN THROUGH ENABLE  
VIN = 24V, FIXED VOUT = 5V,  
MAXM15065 STARTUP THROUGH ENABLE (2V PREBIAS)  
VIN = 24V, FIXED VOUT = 3.3V,  
FULL LOAD, PWM MODE  
FULL LOAD, PWM MODE  
NO LOAD, PFM MODE  
toc65  
toc66  
toc64  
5V/div  
5V/div  
EN/UVLO  
LX  
EN/UVLO  
LX  
5V/div  
EN/UVLO  
20V/div  
2V/div  
LX  
20V/div  
2V/div  
20V/div  
VOUT  
2V/div  
5V/div  
VOUT  
VOUT  
5V/div  
5V/div  
RESET  
RESET  
RESET  
1ms/div  
100µs/div  
1ms/div  
MAXM15066 STARTUP THROUGH ENABLE (2.5V PREBIAS)  
VIN = 24V, FIXED VOUT = 5V,  
MAXM15066 STARTUP THROUGH ENABLE (2.5V PREBIAS)  
VIN = 24V, FIXED VOUT = 5V,  
MAXM15067 STARTUP THROUGH VIN  
VIN = 12V, ADJUSTABLE VOUT = 1.5V,  
NO LOAD, PFM MODE  
toc67  
toc68  
NO LOAD, PWM MODE  
FULL LOAD, PWM MODE  
toc69  
10V/div  
10V/div  
5V/div  
5V/div  
EN/UVLO  
EN/UVLO  
VIN  
LX  
20V/div  
2V/div  
LX  
LX  
20V/div  
2V/div  
2V/div  
500mV/div  
5V/div  
VOUT  
VOUT  
VCC  
5V/div  
RESET  
VOUT  
RESET  
1ms/div  
1ms/div  
1ms/div  
MAXM15067 SHUTDOWN THROUGH VIN  
VIN = 12V, ADJUSTABLE VOUT = 1.5V,  
MAXM15067 SHUTDOWN THROUGH VIN  
VIN = 24V, ADJUSTABLE VOUT = 3.3V,  
MAXM15067 STARTUP THROUGH VIN  
VIN = 24V, ADJUSTABLE VOUT = 3.3V,  
FULL LOAD, PWM MODE  
FULL LOAD, PWM MODE  
toc70  
FULL LOAD, PWM MODE  
toc71  
toc72  
20V/div  
10V/div  
10V/div  
VIN  
LX  
20V/div  
20V/div  
VIN  
LX  
VIN  
LX  
20V/div  
2V/div  
2V/div  
2V/div  
VCC  
2V/div  
2V/div  
VCC  
VCC  
VOUT  
500mV/div  
VOUT  
VOUT  
1ms/div  
1ms/div  
1ms/div  
Maxim Integrated  
11  
www.maximintegrated.com  
MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Typical Operating Characteristics (continued)  
(V = V  
= 24V, V  
= 0V, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C. All voltages are  
IN  
EN/UVLO  
GND A A  
referenced to GND, unless otherwise noted. The circuit values for different output-voltage applications are as in Table 1, unless other-  
wise noted.)  
MAXM15065 STARTUP THROUGH VIN  
MAXM15067 STARTUP THROUGH VIN  
MAXM15067 SHUTDOWN THROUGH VIN  
VIN = 24V, FIXED VOUT = 3.3V,  
FULL LOAD, PWM MODE  
VIN = 24V, ADJUSTABLE VOUT = 5V,  
FULL LOAD, PWM MODE  
VIN = 24V, ADJUSTABLE VOUT = 5V,  
FULL LOAD, PWM MODE  
toc73  
toc75  
toc74  
20V/div  
20V/div  
VIN  
LX  
VIN  
LX  
20V/div  
20V/div  
VIN  
LX  
20V/div  
2V/div  
20V/div  
2V/div  
2V/div  
2V/div  
2V/div  
2V/div  
VCC  
VCC  
VCC  
VOUT  
VOUT  
VOUT  
1ms/div  
1ms/div  
1ms/div  
MAXM15066 SHUTDOWN THROUGH VIN  
MAXM15065 SHUTDOWN THROUGH VIN  
MAXM15066 STARTUP THROUGH VIN  
VIN = 24V, FIXED VOUT = 5V,  
FULL LOAD, PWM MODE  
VIN = 24V, FIXED VOUT = 3.3V,  
FULL LOAD, PWM MODE  
VIN = 24V, FIXED VOUT = 5V,  
FULL LOAD, PWM MODE  
toc78  
toc77  
toc76  
20V/div  
VIN  
LX  
20V/div  
20V/div  
VIN  
LX  
20V/div  
20V/div  
VIN  
LX  
20V/div  
2V/div  
2V/div  
VCC  
2V/div  
2V/div  
2V/div  
2V/div  
VCC  
VCC  
VOUT  
VOUT  
VOUT  
1ms/div  
1ms/div  
1ms/div  
MAXM15065 OUTPUT SHORT IN STEADY STATE  
VIN = 24V, FIXED VOUT = 3.3V,  
MAXM15067 OUTPUT SHORT IN STEADY STATE  
VIN = 24V, ADJUSTABLE VOUT = 3.3V,  
MAXM15067 OUTPUT SHORT DURING STARTUP  
VIN = 24V, ADJUSTABLE VOUT = 3.3V,  
FULL LOAD, PWM MODE  
FULL LOAD, PWM MODE  
toc79  
FULL LOAD, PWM MODE  
toc80  
toc81  
20V/div  
5V/div  
5V/div  
VIN  
SHORT  
SHORT  
VOUT  
VOUT  
LX  
VOUT  
2V/div  
20mV/div  
2V/div  
20V/div  
LX  
LX  
20V/div  
20V/div  
IOUT  
IOUT  
500mA/div  
200mA/div  
10mA/div  
IOUT  
20ms/div  
20ms/div  
20ms/div  
Maxim Integrated  
12  
www.maximintegrated.com  
MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Typical Operating Characteristics (continued)  
(V = V  
= 24V, V  
= 0V, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C. All voltages are  
IN  
EN/UVLO  
GND A A  
referenced to GND, unless otherwise noted. The circuit values for different output-voltage applications are as in Table 1, unless other-  
wise noted.)  
MAXM15066 OUTPUT SHORT IN STEADY-STATE  
VIN = 24V, FIXED VOUT = 5V,  
MAXM15065 OUTPUT SHORT DURING STARTUP  
= 24V, FIXED V = 3.3V,  
V
IN  
OUT  
FULL LOAD, PWM MODE  
FULL LOAD, PWM MODE  
toc82  
toc83  
20V/div  
5V/div  
SHORT  
VOUT  
VIN  
VOUT  
20mV/div  
20V/div  
5V/div  
LX  
LX  
20V/div  
IOUT  
IOUT  
500mA/div  
10mA/div  
20ms/div  
20ms/div  
MAXM15067 BODE PLOT  
IN = 12V, ADJUSTABLE VOUT = 1.5V,  
FULL LOAD, PWM MODE  
MAXM15066 OUTPUT SHORT DURING STARTUP  
IN = 24V, FIXED VOUT = 5V,  
V
V
toc85  
FULL LOAD, PWM MODE  
toc84  
100  
80  
100  
80  
20V/div  
PHASE  
60  
VIN  
60  
40  
40  
20  
20  
VOUT  
20mV/div  
0
0
GAIN  
-20  
-40  
-60  
-80  
-20  
-40  
-60  
-80  
LX  
20V/div  
CROSSOVER FREQUENCY = 49.294kHz  
PHASE MARGIN = 46.023◦  
IOUT  
10mA/div  
20ms/div  
1k  
10k  
100k  
FREQUENCY (Hz)  
MAXM15067 BODE PLOT  
VIN = 24V, ADJUSTABLE VOUT = 3.3V,  
FULL LOAD, PWM MODE  
MAXM15067 BODE PLOT  
VIN = 24V, ADJUSTABLE VOUT = 5V,  
FULL LOAD, PWM MODE  
toc87  
toc86  
100  
80  
100  
80  
100  
80  
100  
80  
PHASE  
PHASE  
60  
60  
60  
60  
40  
40  
40  
40  
20  
20  
20  
20  
0
0
0
0
GAIN  
GAIN  
-20  
-40  
-60  
-80  
-20  
-40  
-60  
-80  
-20  
-40  
-60  
-80  
-20  
-40  
-60  
-80  
CROSSOVER FREQUENCY = 47.638kHz  
PHASE MARGIN = 49.468  
CROSSOVER FREQUENCY = 37.212kHz  
PHASE MARGIN = 54.136  
°
°
1k  
10k  
100k  
1k  
10k  
100k  
FREQUENCY (Hz)  
FREQUENCY (Hz)  
Maxim Integrated  
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MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Typical Operating Characteristics (continued)  
(V = V  
= 24V, V  
= 0V, T = -40°C to +125°C, unless otherwise noted. Typical values are at T = +25°C. All voltages are  
IN  
EN/UVLO  
GND A A  
referenced to GND, unless otherwise noted. The circuit values for different output-voltage applications are as in Table 1, unless other-  
wise noted.)  
MAXM15065 BODE PLOT  
VIN = 24V, FIXED VOUT = 3.3V,  
FULL LOAD, PWM MODE  
MAXM15066 BODE PLOT  
VIN = 24V, FIXED VOUT = 5V,  
FULL LOAD, PWM MODE  
toc88  
toc89  
100  
80  
100  
80  
100  
80  
100  
80  
PHASE  
PHASE  
60  
60  
60  
60  
40  
40  
40  
40  
20  
20  
20  
20  
0
0
0
0
GAIN  
GAIN  
-20  
-40  
-60  
-80  
-20  
-40  
-60  
-80  
-20  
-40  
-60  
-80  
-20  
-40  
-60  
-80  
CROSSOVER FREQUENCY = 45.746kHz  
PHASE MARGIN = 54.585  
CROSSOVER FREQUENCY = 45.639kHz  
PHASE MARGIN = 58.503  
°
°
1k  
10k  
100k  
1k  
10k  
100k  
FREQUENCY (Hz)  
FREQUENCY (Hz)  
MAXM15065/6  
OUTPUT CURRENT vs. AMBIENT TEMPERATURE  
MAXM15067  
OUTPUT CURRENT vs. AMBIENT TEMPERATURE  
toc90  
toc91  
350  
350  
300  
250  
200  
150  
100  
50  
300  
250  
200  
150  
100  
50  
FIXED VOUT = 3.3V  
ADJUSTABLE VOUT = 2.5V  
FIXED VOUT = 5V  
0
0
50  
70  
90  
110  
130  
50  
70  
90  
110  
130  
AMBIENT TEMPERATURE (°C)  
AMBIENT TEMPERATURE (°C)  
CONDUCTED EMISSION PLOT  
(WITH FILTER C = 0.1µF + 0.68µF, L = 82µH, C = 1µF)  
RADIATED EMISSION PLOT  
toc92  
toc93  
50  
40  
CISPR-22 CLASS B QP LIMIT  
60  
CISPR-22 CLASS B QP LIMIT  
CISPR-22 CLASS B AVG LIMIT  
50  
30  
20  
40  
VERTICAL  
SCAN  
30  
PEAK  
EMISSION  
10  
0
20  
AVERAGE  
EMISSION  
10  
HORIZONTAL  
SCAN  
-10  
150k  
1M  
FREQUENCY (Hz)  
CONDITIONS : VIN = 24V, VOUT = 5V, IOUT = 0.3A  
10M  
30M  
100M  
1G  
FREQUENCY(Hz)  
CONDITIONS : VIN = 24V, VOUT = 5V, IOUT = 0.3A  
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MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Pin Configuration  
TOP VIEW  
+
LX  
GND  
1
2
3
4
5
10  
9
V
V
IN  
IN  
MAXM15065  
MAXM15066  
MAXM15067  
RESET  
MODE  
OUT  
8
EN/UVLO  
7
V
CC  
6
FB  
‘+’ INDICATES PIN 1 OF THE MODULE  
Pin Description  
PIN  
NAME  
FUNCTION  
1
LX  
Switching Node of the Inductor. No external connection to this pin.  
Ground Pin. Connect GND to the ground plane. See the PCB Layout Guidelines section for more details.  
Refer to the MAXM15067 EV kit for a sample layout.  
2
GND  
Open-Drain Power-Good Output. Pull up RESET to an external power supply with an external resistor.  
RESET goes low if FB drops below 92% of its set value. RESET goes high impedance 1.9ms after FB  
rises above 95.5% of its set value. See the Electrical Characteristics table for threshold values.  
3
RESET  
PFM/PWM Mode-Selection Input. Connect MODE to GND to enable fixed-frequency PWM operation  
at all loads. Leave MODE unconnected for PFM operation at light load.  
4
5
MODE  
OUT  
Module Output Pin. Connect a capacitor from OUT to GND. See the PCB Layout Guidelines section for  
more details.  
Output Feedback Connection. Connect FB to a resistor-divider between OUT and GND to set the output  
6
7
8
FB  
voltage for MAXM15067. Connect to output voltage node (V  
See Output-Voltage Setting section for more details.  
) for MAXM15065 and MAXM15066.  
OUT  
V
Internal LDO Power Output. Bypass V  
to GND with a minimum 1µF ceramic capacitor.  
CC  
CC  
Active-High, Enable/Undervoltage-Detection Input. Pull EN/UVLO to GND to disable the module output.  
EN/UVLO Connect EN/UVLO to V for always-on operation. Connect a resistor-divider between V , EN/UVLO,  
IN  
IN  
and GND to program the input voltage at which the module turns on.  
Power-Supply Input. Connect the V pins together. Decouple to GND with a capacitor;  
IN  
9–10  
V
IN  
place the capacitor close to the V and GND pins. See Table 1 for more details.  
IN  
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MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Functional Diagram  
Internal Diagram  
MAXM15065/MAXM15066/  
MAXM15067  
V
V
IN  
CC  
LDO  
HIGH-SIDE  
DRIVER  
EN/UVLO  
LX  
1.215V  
33µH  
LOW-SIDE  
DRIVER  
OUT  
PEAK  
CURRENT-MODE  
CONTROLLER  
OSCILLATOR  
SOFT-START  
GND  
MODE  
SELECTION  
LOGIC  
SLOPE  
COMPENSATION  
MODE  
*S1  
R3  
RESET  
*S2  
RESET  
LOGIC  
FB  
R4  
*REFER TO TABLE A  
Table A  
MODULE PART NUMBER  
MAXM15067  
S1  
S2  
R3 (KΩ)  
OPEN  
R4 (KΩ)  
CLOSE  
OPEN  
OPEN  
OPEN  
CLOSE  
CLOSE  
OPEN  
77  
MAXM15065  
205.33  
350.80  
MAXM15066  
77  
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MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
operation at all loads. However, PWM-mode of operation  
gives lower efficiency at light loads compared to PFM-  
mode of operation.  
Detailed Description  
The MAXM15065/MAXM15066/MAXM15067 are  
a
family of high-efficiency, synchronous step-down DC-DC  
modules with integrated controller, MOSFETs, compen-  
sation components, and inductor that operate over a  
wide input-voltage range. The modules deliver an output  
current up to 300mA. The MAXM15065 and MAXM15066  
are fixed 3.3V and 5V output modules respectively. The  
MAXM15067 is an adjustable output (0.9V to 6.3V)  
module. When EN/UVLO and V  
an internal power-up sequence ramps up the error-amplifier  
reference, resulting in an output-voltage soft-start.  
PFM Operation  
PFM mode operation disables negative output current  
from the module, and skips pulses at light loads for bet-  
ter efficiency. In PFM mode, the module output current  
is forced to a fixed peak of 130mA in every clock cycle  
until the output voltage rises to 102.3% of the nominal  
value. Once the output voltage reaches 102.3% of the  
nominal value, the high-side switch is turned off and the  
low-side switch is turned on. Once the module output cur-  
rent hits zero cross, LX goes to a high-impedance state  
and the module enters hibernate operation until the load  
current discharges the output voltage to 101.1% of the  
nominal value. Most of the internal blocks are turned off in  
hibernate operation to save quiescent current. When the  
output voltage falls below 101.1% of the nominal value,  
the module comes out of hibernate operation, turns on all  
internal blocks, and commences the process of delivering  
pulses of energy until the output voltage reaches 102.3%  
of the nominal value. The module naturally comes out  
of PFM mode and serves load requirements when the  
module output demands more than 130mA peak. The  
advantage of PFM mode is higher efficiency at light loads  
because of lower quiescent current drawn from supply.  
UVLO are ascertained,  
CC  
The FB pin monitors the output voltage through a resistor-  
divider. The RESET pin transitions to a high-impedance  
state 1.9ms after the output voltage reaches 95.5% of regu-  
lation. The devices select either PFM or forced-PWM mode  
depending on the state of the MODE pin at power-up. By  
pulling the EN/UVLO pin to low, the devices enter shutdown  
mode and consumes only 2.2μA (typ) of standby current.  
The modules use an internally compensated, fixed-fre-  
quency, current-mode control scheme. On the rising edge  
of an internal clock, the high-side pMOSFET turns on.  
An internal error amplifier compares the feedback volt-  
age to a fixed internal reference voltage and generates  
an error voltage. The error voltage is compared to a sum  
of the current-sense voltage and a slope-compensation  
voltage by a PWM comparator to set the on-time. During  
the on-time of the pMOSFET, the inductor current ramps  
up. For the remainder of the switching period (off-time),  
the pMOSFET is kept off and the low-side nMOSFET  
turns on. During the off-time, the inductor releases the  
stored energy as the inductor current ramps down, pro-  
viding current to the output. Under overload conditions,  
the cycle-by-cycle current-limit feature limits the inductor  
peak current by turning off the high-side pMOSFET and  
turning on the low-side nMOSFET.  
Internal 5V Regulator  
An internal regulator provides a 5V nominal supply to power  
the internal functions and to drive the power MOSFETs. The  
output of the linear regulator (V ) should be bypassed  
CC  
with a 1μF ceramic capacitor to GND. The V  
regula-  
CC  
tor dropout voltage is typically 150mV. An undervoltage  
lockout circuit that disables the buck converter when V  
CC  
falls below 3.8V (typ). The 400mV, V -UVLO hysteresis  
CC  
prevents chattering on power-up and power-down.  
Enable/Undervoltage Lockout (EN/UVLO),  
Soft-Start  
When EN/UVLO voltage is above 1.215V (typ), the  
device’s internal error-amplifier reference voltage starts  
to ramp up. The duration of the soft-start ramp is 3.75ms  
(typ), allowing a smooth increase of the output voltage.  
Driving EN/UVLO low disables both power MOSFETs, as  
Mode Selection (MODE)  
The logic state of the MODE pin is latched after V  
CC  
and EN/UVLO voltages exceed respective UVLO rising  
thresholds and all internal voltages are ready to allow LX  
switching. If the MODE pin is unconnected at power-up,  
the part operates in PFM mode at light loads. If the MODE  
pin is grounded at power-up, the part operates in con-  
stant-frequency PWM mode at all loads. State changes  
on the MODE pin are ignored during normal operation.  
well as other internal circuitry, and reduces V quiescent  
IN  
current to below 2.2μA. EN/UVLO can be used as an  
input-voltage UVLO adjustment input. An external volt-  
age-divider between V and EN/UVLO to GND adjusts  
PWM Operation  
IN  
the input voltage at which the device turns on or turns off.  
If input UVLO programming is not desired, connect EN/  
In PWM mode, the module output current is allowed to  
go negative. PWM operation is useful in frequency sensi-  
tive applications and provides fixed switching frequency  
UVLO to V (see the Electrical Characteristics table for  
IN  
EN/UVLO rising and falling threshold voltages).  
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MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
RESET Output (RESET)  
Thermal Overload Protection  
The devices include an open-drain RESET output to  
monitor the output voltage. RESET goes high impedance  
1.9ms after the output rises above 95.5% of its nominal  
set value and pulls low when the output voltage falls  
below 92% of the set nominal regulated voltage. RESET  
asserts low during the hiccup timeout period.  
Thermal overload protection limits the total power dis-  
sipation in the device. When the junction temperature  
exceeds +166°C, an on-chip thermal sensor shuts down  
the device, turns off the internal power MOSFETs, allow-  
ing the device to cool down. The thermal sensor turns the  
device on after the junction temperature cools by 10°C.  
Startup into a Prebiased Output  
Applications Information  
The devices are capable of soft-start into a prebiased out-  
put, without discharging the output capacitor in both the  
PFM and forced-PWM modes. Such a feature is useful in  
applications where digital integrated circuits with multiple  
rails are powered.  
Input-Voltage Range  
The minimum and maximum operating input voltages for  
a given output voltage should be calculated as follows:  
V
+ I  
× 3.05  
(
)
OUT  
OUT  
MAX  
Overcurrent Protection (OCP)/Hiccup Mode  
V
=
+ I  
(
×1.8  
OUT  
)
IN(MIN)  
D
The MAXM15065/MAXM15066/MAXM15067 are pro-  
vided with a robust overcurrent protection (OCP) scheme  
that protects the modules under overload and output  
short-circuit conditions. The power module measures and  
limits peak inductor current. When overcurrent is detected  
in the inductor, or if the FB node goes below 64.5% of its  
nominal regulation threshold, the module enters hiccup  
mode of operation. In hiccup mode, the module is protect-  
ed by suspending switching for a hiccup timeout period  
of 120ms (typ). Once the hiccup timeout period expires,  
soft-start is attempted again. Hiccup mode of operation  
ensures low power dissipation under output overload or  
short-circuit conditions. Once the hiccup timeout period  
expires, soft-start is attempted again.  
V
OUT  
V
=
IN(MAX)  
t
× f  
ON(MIN) SW  
where:  
V
= Steady-state output voltage,  
= Maximum load current,  
OUT  
I
f
OUT  
= Worst-case switching frequency(585000 Hz),  
SW  
D
= Maximum duty cycle (0.89),  
MAX  
t
= Worst-case minimum controllable switch on-  
ON(MIN)  
time (120ns).  
The MAXM15065/6/7 are designed to support a maximum  
load current of 300mA. The inductor ripple current is cal-  
culated as follows:  
Also, for duty cycle > 0.5;  
V
> 2.67 × V  
+ 9.91 × I - 9.8  
OUT  
IN(MIN)  
OUT  
For MAXM15065, V  
For MAXM15066, V  
= 5.5V, V  
= 60V  
= 60V  
IN(MIN)  
IN(MAX)  
V
V  
4.85×I  
V
+ 3.05×I  
OUT OUT  
IN  
OUT  
OUT  
I =  
×
= 7.5V, V  
IN(MIN)  
IN(MAX)  
L × f  
V
1.8×I  
OUT  
SW  
IN  
Selection of Input Capacitor  
Where:  
The input filter capacitor reduces peak currents drawn  
from the power source and reduces noise and voltage  
ripple on the input caused by the converter’s switching.  
V
V
= Steady-state output voltage  
OUT  
= Operating input voltage for given V  
= Switching Frequency  
IN  
OUT  
f
SW  
The input capacitor RMS current requirement (I  
defined by the following equation:  
) is  
RMS  
L = Power module output inductance (33µH ±30%)  
= Required output (load) current  
I
V
× V V  
IN OUT  
OUT  
(
)
OUT  
I
= I  
×
OUT(MAX)  
RMS  
The following condition should be satisfied at the desired  
load current, I  
V
IN  
.
OUT  
where, I  
is the maximum load current. I  
has  
RMS  
OUT(MAX)  
a maximum value when the input voltage equals twice the  
I  
2
I
+
< 0.49  
OUT  
output voltage (V = 2 x V  
). So,  
IN  
OUT  
I
OUT(MAX)  
2
I
=
RMS(MAX)  
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MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Choose an input capacitor that exhibits less than a +10°C  
temperature rise at the RMS input current for optimal  
long-term reliability. Use low-ESR ceramic capacitors with  
high-ripple-current capability at the input. X7R capacitors  
are recommended in industrial applications for their tem-  
perature stability. Calculate the input capacitance using  
the following equation:  
Setting the Input Undervoltage-Lockout Level  
The devices offer an adjustable input undervoltage lock-  
out level. Set the voltage at which the device turns on with  
a resistive voltage-divider connected from V to GND  
IN  
(see Figure 1). Connect the center node of the divider to  
EN/UVLO.  
Choose R1 to be 3.3MΩ (max), and then calculate R2 as  
I
×D  
× 1D  
(
)
OUT(MAX)  
f
MAX  
MAX  
follows:  
C
=
IN  
R1×1.215  
R2 =  
× ∆V  
SW  
IN  
V
1.215  
INU  
where:  
where V  
to turn on.  
is the voltage at which the device is required  
D
= Maximum duty cycle(0.89),  
INU  
MAX  
f
= Switching frequency,  
SW  
If the EN/UVLO pin is driven from an external signal  
source, a series resistance of minimum 1kΩ is recom-  
mended to be placed between the signal source output  
and and the EN/UVLO pin, to reduce voltage ringing on  
the line.  
∆V = Allowable input-voltage ripple.  
IN  
Selection of Output Capacitor  
Small ceramic X7R-grade capacitors are sufficient and  
recommended for output-voltage generation. The output  
capacitor has two functions. It provides smooth voltage  
and, stores sufficient energy to support the output voltage  
under load transient conditions and stabilizes the device’s  
internal control loop. Usually the output capacitor is sized  
to support a step load of 50% of the maximum output cur-  
rent in the application, such that the output-voltage devia-  
tion is less than 3%. Required output capacitance can be  
calculated from the following equation:  
Output-Voltage Setting  
The MAXM15067 output voltage can be programmed  
from 0.9V to 6.3V. Set the output voltage by connecting a  
resistor-divider from output to FB to GND (see Figure 2).  
Choose R4 less than or equal to 75kΩ and calculate R3  
with the following equation:  
V
OUT  
R3 = R4×  
1  
20  
C
=
0.9  
OUT  
V
OUT  
Connect FB of MAXM15065 and MAXM15066 directly to  
for feedback control.  
where C  
is the output capacitance in μF and V  
OUT  
OUT  
V
is the output voltage. Derating of ceramic capacitors with  
DC-voltage must be considered while selecting the output  
capacitor.  
OUT  
V
IN  
OUT  
MAXM15065  
MAXM15066  
MAXM15067  
R1  
R2  
MAXM15067  
R3  
R4  
FB  
EN/UVLO  
Figure 1. Adjustable EN/UVLO Network  
Figure 2. Setting the Output Voltage  
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4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Table 1. Selection of Components  
PART  
NUMBER  
V
V
V
*
R3  
(kΩ)  
R4  
(kΩ)  
IN(MIN) IN(MAX) OUT  
C
C
OUT  
IN  
(V)  
(V)  
(V)  
1 x 1µF 0805 25V  
(Murata GRM219R71E105KA88) (Murata GRM31CR70J226KE19L)  
1 x 22µF 1206 6.3V  
4.5  
12.5  
0.9  
SHORT OPEN  
1 x 1µF 0805 25V 1 x 22µF 1206 6.3V  
(Murata GRM219R71E105KA88) (Murata GRM31CR70J226KE19L)  
4.5  
4.5  
4.5  
4.5  
4.5  
5.5  
7.5  
10  
14  
17  
1
8.33  
25  
75  
75  
1 x 1µF 0805 25V 1 x 22µF 1206 6.3V  
1.2  
1.5  
1.8  
2.5  
3.3  
5
(Murata GRM219R71E105KA88) (Murata GRM31CR70J226KE19L)  
1 x 1µF 0805 25V 1 x 10µF 1206 6.3V  
21.5  
25.5  
36  
50  
75  
(Murata GRM219R71E105KA88) (Murata GRM31CR70J106KA01)  
1 x 1µF 0805 50V 1 x 10µF 1206 6.3V  
MAXM15067  
75  
75  
(Murata GRM21BR71H105KA12) (Murata GRM31CR70J106KA01)  
1 x 1µF 0805 50V 1 x 10µF 0805 16V  
133  
200  
348  
450  
N/A  
N/A  
75  
(Murata GRM21BR71H105KA12) (Murata GRM21BZ71C106KE15)  
1 x 1μF 1206 100V 1 x 10µF 0805 16V  
(Murata GRM31CR72A105KA01L) (Murata GRM21BZ71C106KE15)  
48  
75  
1 x 1μF 1206 100V  
1 x 10µF 0805 16V  
60  
75  
(Murata GRM31CR72A105KA01L) (Murata GRM21BZ71C106KE15)  
1 x 1μF 1206 100V  
1 x 10µF 0805 16V  
60  
6.3  
3.3  
5
75  
(Murata GRM31CR72A105KA01L) (Murata GRM21BZ71C106KE15)  
1 x 1μF 1206 100V  
1 x 10µF 0805 16V  
MAXM15065  
MAXM15067  
5.5  
7.5  
48  
N/A  
N/A  
(Murata GRM31CR72A105KA01L) (Murata GRM21BZ71C106KE15)  
1 x 1μF 1206 100V  
1 x 10µF 0805 16V  
60  
(Murata GRM31CR72A105KA01L) (Murata GRM21BZ71C106KE15)  
* The modules have a pulse skip algorithm that allows V  
to be regulated beyond the V  
specified in the above table, up to 60V.  
OUT  
IN(MAX)  
For the MAXM15065/MAXM15066/MAXM15067 evalu-  
ation board, the thermal resistance from junction-to-  
Power Dissipation  
The power dissipation inside the module leads to  
increase in the junction temperature of the MAXM15065/  
MAXM15066/MAXM15067. The power loss inside the  
module at full load can be estimated as follows:  
ambient (θ ) is 41.56°C/W. Operating the module at  
JA  
junction temperatures greater than +125°C degrades  
operating lifetimes. An EESIM model is available for the  
MAXM15065/MAXM15066/MAXM15067 to simulate effi-  
ciency and power loss for the desired operating conditions.  
1  
P
= P  
×
1  
PCB Layout Guidelines  
LOSS  
OUT  
η
Use the following guidelines for good PCB layout:  
Keep the input capacitors as close as possible to the  
IN and GND pins.  
Where η is the efficiency of the power module at the  
desired operating conditions. The junction temperature  
(T ) of the module can be estimated at any given maximum  
ambient temperature (T ) from the following equation:  
Keep the output capacitors as close as possible to  
J
the OUT and GND pins.  
A
Keep the resistive feedback dividers as close as  
possible to the FB pin.  
T = T + θ ×P  
J
A
JA  
LOSS  
Keep the power traces and load connections short.  
Refer to the EV kit layout for first-pass success.  
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4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
V
V
IN  
OUT  
V
OUT  
IN  
C
C
OUT  
IN  
RESET  
R3  
R4  
R1  
R2  
MAXM15067  
EN/UVLO  
FB  
LX  
V
CC  
C
VCC  
MODE  
GND  
CIN  
V
IN  
PLANE  
GND PLANE  
+
1
2
10  
9
LX  
V
V
IN  
IN  
MAXM15067  
GND  
R1  
R2  
EN/UVLO  
VCC  
8
7
3
4
RESET  
MODE  
OUT  
5
6
C
VCC  
FB  
C
OUT  
V
OUT  
PLANE  
GND PLANE  
R3  
R4  
VIA TO INNER LAYER FOR ROUTING FB  
Figure 3. Adjustable Output Layout Guidelines  
Maxim Integrated  
21  
www.maximintegrated.com  
MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
V
VOUT  
IN  
V
OUT  
IN  
C
C
OUT  
IN  
RESET  
R1  
R2  
MAXM15065  
MAXM15066  
EN/UVLO  
FB  
LX  
V
CC  
C
VCC  
MODE  
GND  
CIN  
V
IN  
PLANE  
GND PLANE  
+
1
2
10  
9
LX  
V
V
IN  
IN  
MAXM15065  
MAXM15066  
GND  
RESET  
MODE  
OUT  
R1  
R2  
EN/UVLO  
VCC  
8
7
3
4
5
6
C
VCC  
FB  
C
OUT  
V
PLANE  
OUT  
GND PLANE  
VIA TO INNER LAYER FOR ROUTING FB  
Figure 4. Fixed Output Layout Guidelines  
Maxim Integrated  
22  
www.maximintegrated.com  
MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Typical Application Circuits  
Typical Application Circuit for Adjustable 3.3V Output  
V
VOUT  
IN  
3.3V, 300mA  
5.5V TO 48V  
V
OUT  
IN  
C2  
C1  
1µF  
10µF  
R1  
200kΩ  
EN/UVLO  
GND  
MAXM15067  
RESET  
FB  
R2  
75kΩ  
LX  
V
CC  
C3  
1µF  
MODE  
MODE = GND FOR PWM  
MODE = OPEN FOR PFM  
C1 = MURATA 1μF/X7R/100V/1206 (GRM31CR72A105KA01L)  
C2 = MURATA 10μF/X7R/16V/0805 (GRM21BZ71C106KE15)  
C3 = MURATA 1μF/X7R/6.3V/0603 (GRM188R70J105K)  
Typical Application Circuit for Adjustable 2.5V Output  
V
VOUT  
2.5V, 300mA  
IN  
4.5V TO 36V  
V
OUT  
GND  
IN  
C2  
10µF  
C1  
1µF  
R1  
133kΩ  
EN/UVLO  
MAXM15067  
RESET  
FB  
R2  
75kΩ  
LX  
V
CC  
C3  
1µF  
MODE  
MODE = GND FOR PWM  
MODE = OPEN FOR PFM  
C1 = MURATA 1μF/X7R/50V/0805 (GRM21BR71H105KA12L)  
C2 = MURATA 10μF/X7R/16V/0805 (GRM21BZ71C106KE15)  
C3 = MURATA 1μF/X7R/6.3V/0603 (GRM188R70J105K)  
Maxim Integrated  
23  
www.maximintegrated.com  
MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Typical Application Circuits (continued)  
Typical Application Circuit for Adjustable 1.5V Output  
V
VOUT  
IN  
1.5V, 300mA  
4.5V TO 21.5V  
V
OUT  
IN  
C2  
C1  
1µF  
10µF  
R1  
50kΩ  
EN/UVLO  
GND  
MAXM15067  
RESET  
FB  
R2  
75kΩ  
LX  
V
CC  
C3  
1µF  
MODE  
MODE = GND FOR PWM  
MODE = OPEN FOR PFM  
C1 = MURATA 1 F/X7R/25V/0805 (GRM219R71E105KA88D)  
C2 = MURATA 10 F/X7R/6.3V/1206 (GRM31CR70J106KA01)  
C3 = MURATA 1 F/X7R/6.3V/0603 (GRM188R70J105K)  
Typical Application Circuit for Fixed 3.3V Output  
V
VOUT  
3.3V, 300mA  
IN  
5.5V TO 48V  
V
OUT  
GND  
IN  
C2  
10µF  
C1  
1µF  
EN/UVLO  
MAXM15065  
RESET  
FB  
LX  
V
CC  
C3  
1µF  
MODE  
MODE = GND FOR PWM  
MODE = OPEN FOR PFM  
C1 = MURATA 1μF/X7R/100V/1206 (GRM31CR72A105KA01L)  
C2 = MURATA 10μF/X7R/16V/0805 (GRM21BZ71C106KE15)  
C3 = MURATA 1μF/X7R/6.3V/0603 (GRM188R70J105K)  
Maxim Integrated  
24  
www.maximintegrated.com  
MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Typical Application Circuits (continued)  
Typical Application Circuit for Fixed 5V Output  
V
VOUT  
IN  
5V, 300mA  
8.5V TO 60V  
V
OUT  
IN  
C2  
C1  
10µF  
EN/UVLO  
1µF  
GND  
MAXM15066  
RESET  
FB  
LX  
V
CC  
C3  
1µF  
MODE  
MODE = GND FOR PWM  
MODE = OPEN FOR PFM  
C1 = MURATA 1μF/X7R/100V/1206 (GRM31CR72A105KA01L)  
C2 = MURATA 10μF/X7R/16V/0805 (GRM21BZ71C106KE15)  
C3 = MURATA 1μF/X7R/6.3V/0603 (GRM188R70J105K)  
Ordering Information  
PART  
NUMBER  
TEMP  
RANGE  
PIN-PACKAGE  
MAXM15065AMB+  
-40°C to +125°C  
10-pin uSLIC  
10-pin uSLIC  
10-pin uSLIC  
10-pin uSLIC  
10-pin uSLIC  
10-pin uSLIC  
MAXM15065AMB+T -40°C to +125°C  
MAXM15066AMB+ -40°C to +125°C  
MAXM15066AMB+T -40°C to +125°C  
MAXM15067AMB+ -40°C to +125°C  
MAXM15067AMB+T -40°C to +125°C  
+ Denotes a lead(Pb)-free/RoHS-compliant package.  
T Denotes tape-and-reel.  
Maxim Integrated  
25  
www.maximintegrated.com  
MAXM15065/MAXM15066/  
MAXM15067  
4.5V to 60V, 300mA Himalaya uSLIC  
Step-Down Power Module  
Revision History  
REVISION REVISION  
PAGES  
CHANGED  
DESCRIPTION  
NUMBER  
DATE  
0
3/19  
Initial release  
For pricing, delivery, and ordering information, please visit Maxim Integrated’s online storefront at https://www.maximintegrated.com/en/storefront/storefront.html.  
Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses  
are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits)  
shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.  
©
Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc.  
2019 Maxim Integrated Products, Inc.  
26  

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