ISL6840IUZ-T7 [RENESAS]

Switching Controller;
ISL6840IUZ-T7
型号: ISL6840IUZ-T7
厂家: RENESAS TECHNOLOGY CORP    RENESAS TECHNOLOGY CORP
描述:

Switching Controller

开关
文件: 总14页 (文件大小:372K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
ISL6840, ISL6841, ISL6842,  
ISL6843, ISL6844, ISL6845  
Data Sheet  
February 18, 2015  
FN9124.13  
Improved Industry Standard Single-Ended  
Current Mode PWM Controller  
Features  
• 1A MOSFET Gate Driver  
The ISL6840, ISL6841, ISL6842, ISL6843, ISL6844,  
ISL6845 family of adjustable frequency, low power, pulse  
width modulating (PWM) current mode controllers is  
designed for a wide range of power conversion applications  
including boost, flyback, and isolated output configurations.  
Peak current mode control effectively handles power  
transients and provides inherent overcurrent protection.  
• 60µA Start-up Current, 100µA Maximum  
• 25ns Propagation Delay Current Sense to Output  
• Fast Transient Response with Peak Current Mode Control  
• Adjustable Switching Frequency to 2MHz  
• 20ns Rise and Fall Times with 1nF Output Load  
This advanced BiCMOS design is pin compatible with the  
industry standard 384x family of controllers and offers  
significantly improved performance. Features include low  
operating current, 60µA start-up current, adjustable  
operating frequency to 2MHz, and high peak current drive  
capability with 20ns rise and fall times.  
• Trimmed Timing Capacitor Discharge Current for Accurate  
Deadtime/Maximum Duty Cycle Control  
• High Bandwidth Error Amplifier  
• Tight Tolerance Voltage Reference Over Line, Load, and  
Temperature  
• Tight Tolerance Current Limit Threshold  
• Pb-Free Available (RoHS Compliant)  
PART NUMBER  
ISL6840  
RISING UVLO (V) MAX. DUTY CYCLE (%)  
7.0  
7.0  
100  
50  
ISL6841  
Applications  
ISL6842  
14.4  
8.4  
100  
100  
50  
Telecom and Datacom Power  
• Wireless Base Station Power  
• File Server Power  
ISL6843  
ISL6844  
14.4  
8.4  
ISL6845  
50  
• Industrial Power Systems  
• PC Power Supplies  
Pinouts  
• Isolated Buck and Flyback Regulators  
• Boost Regulators  
ISL6840, ISL6841, ISL6842, ISL6843, ISL6844, ISL6845  
(8 LD SOIC, MSOP)  
TOP VIEW  
COMP  
FB  
1
2
3
4
8
7
VREF  
VDD  
OUT  
GND  
CS  
6
5
RTCT  
ISL6840, ISL6841, ISL6842, ISL6843, ISL6844, ISL6845  
(8 LD DFN)  
TOP VIEW  
COMP  
VREF  
1
2
3
4
8
7
6
5
FB  
CS  
VDD  
OUT  
GND  
RTCT  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2004, 2005, 2007, 2008, 2012, 2015, 2016. All Rights Reserved  
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.  
1
All other trademarks mentioned are the property of their respective owners.  
ISL6840, ISL6841, ISL6842, ISL6843, ISL6844, ISL6845  
Ordering Information  
PART NUMBER  
(Note 4)  
TEMP RANGE  
(°C)  
PART MARKING  
PACKAGE  
8 Ld 2x3 DFN (Pb-free)  
8 Ld MSOP (Pb-free)  
8 Ld MSOP (Pb-free)  
8 Ld SOIC (Pb-free)  
8 Ld 2x3 DFN (Pb-free)  
PKG. DWG. #  
L8.2x3  
ISL6840IRZ-T (Notes 2, 3)  
ISL6840IUZ (Notes 1, 3)  
ISL6841IUZ (Notes 1, 3)  
ISL6842IBZ (Notes 1, 3)  
40Z  
-40 to +105  
-40 to +105  
-40 to +105  
-40 to +105  
-40 to +105  
6840Z  
M8.118  
M8.118  
M8.15  
6841Z  
6842 IBZ  
ISL6842IRZ-T (Notes 2, 3) (No longer 42Z  
available, recommended  
L8.2x3  
replacement: ISL6842IBZ-T)  
ISL6842IUZ (Notes 1, 3) (No longer 6842Z  
available, recommended  
-40 to +105  
8 Ld MSOP (Pb-free)  
M8.118  
replacement: ISL6842IBZ)  
ISL6843IBZ (Notes 1, 3)  
6843 IBZ  
-40 to +105  
-40 to +105  
8 Ld SOIC (Pb-free)  
8 Ld MSOP  
M8.15  
ISL6843IU-T (No longer available,  
recommended replacement:  
ISL6843IUZ-T)  
6843  
M8.118  
ISL6843IUZ (Notes 1, 3)  
6843Z  
-40 to +105  
-40 to +105  
8 Ld MSOP (Pb-free)  
8 Ld SOIC (Pb-free)  
M8.118  
M8.15  
ISL6844IBZ (Notes 1, 3) (No longer 6844 IBZ  
available, recommended  
replacement: ISL8844AABZ)  
ISL6845IBZ (Notes 1, 3) (No longer 6845 IBZ  
available, recommended  
-40 to +105  
8 Ld SOIC (Pb-free)  
M8.15  
replacement: ISL8845AABZ)  
ISL6841EVAL3Z  
NOTES:  
Evaluation Board  
1. Add “-T*” suffix for tape and reel. Please refer to TB347 for details on reel specifications.  
2. Contact Factory for Availability.  
3. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte  
tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil  
Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J  
STD-020.  
4. For Moisture Sensitivity Level (MSL), please see device information page for ISL6840, ISL6841, ISL6842, ISL6843, ISL6844, ISL6845.For more  
information on MSL please see tech brief TB363.  
FN9124.13  
February 18, 2015  
2
Functional Block Diagram  
V
VREF  
VDD  
REF  
5.00V  
UVLO  
COMPARATOR  
ENABLE  
V
OK  
DD  
+
-
-
VREF FAULT  
+
+
BG  
-
VREF  
UV COMPARATOR  
4.65V 4.80V  
GND  
A
BG  
2.5V  
A = 0.5  
PWM  
COMPARATOR  
CS  
+
-
100mV  
ERROR  
AMPLIFIER  
ISL6841/ISL6844/ISL6845  
ONLY  
2R  
1.1V  
CLAMP  
+
-
FB  
Q
T
R
Q
COMP  
OUT  
VREF  
S
R
Q
Q
2.6V  
0.7V  
RESET  
DOMINANT  
ON  
OSCILLATOR  
COMPARATOR  
-
RTCT  
+
CLOCK  
UVLO ON/OFF  
7.0/6.6V  
14.3/8.8V  
P/N  
8.4mA  
ON  
-40, -41  
-42, -44  
-43, -45  
8.4/7.2V  
Typical Application - 48V Input Dual Output Flyback  
CR5  
+3.3V  
+1.8V  
C21  
+ C15  
+ C16  
T1  
R21  
VIN+  
C4  
R3  
CR4  
+
C20  
C22  
+
C17  
C6  
C2  
C19  
CR2  
C5  
RETURN  
CR6  
R1  
36V TO 75V  
R17  
R19  
C14  
R18  
R16  
U2  
C1  
C3  
Q1  
R4  
R15  
R22  
C13  
U3  
VIN-  
R27  
R20  
U4  
COMP  
R26  
VREF  
V
CS  
FB  
DD  
OUT  
RTCT  
GND  
ISL684x  
R6  
R10  
CR1  
Q3  
C12  
C8  
VR1  
C11  
R13  
Typical Application - Boost Converter  
R8  
C10  
CR1  
L1  
VIN+  
+VOUT  
+
C2  
C3  
R4  
RETURN  
Q1  
R5  
C9  
C1  
R1  
R2  
U1  
R7  
VIN+  
VREF  
VDD  
OUT  
COMP  
C8  
R6  
FB  
CS  
C4  
RTCT  
GND  
R3  
C5  
C6  
C7  
VIN-  
ISL6840, ISL6841, ISL6842, ISL6843, ISL6844, ISL6845  
Absolute Maximum Ratings  
Thermal Information  
Supply Voltage, V  
. . . . . . . . . . . . . . . . . . . GND - 0.3V to +20.0V  
Thermal Resistance (Typical)  
(°C/W)  
(°C/W)  
JC  
DD  
OUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GND - 0.3V to V  
JA  
+ 0.3V  
DD  
DFN Package (Notes 5, 6). . . . . . . . . .  
SOIC Package (Note 5) . . . . . . . . . . . .  
MSOP Package (Notes 5, 7) . . . . . . . .  
77  
100  
165  
6
N/A  
62  
Signal Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 6.0V  
Peak GATE Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1A  
Maximum Junction Temperature . . . . . . . . . . . . . . .-55°C to +150°C  
Maximum Storage Temperature Range. . . . . . . . . .-65°C to +150°C  
Pb-free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . .see link below  
http://www.intersil.com/pbfree/Pb-FreeReflow.asp  
Operating Conditions  
Temperature Range  
ISL684xIx . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +105°C  
ISL684xCx . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C  
Supply Voltage Range (Typical, Note 8)  
ISL6840, ISL6841. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.5V to 14V  
ISL6843, ISL6845. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9V to 16V  
ISL6842, ISL6844. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V to 18V  
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and  
result in failures not covered by warranty.  
NOTES:  
5. is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.  
JA  
6. For , the “case temp” location is the center of the exposed metal pad on the package underside.  
JC  
7. For , the “case temp” location is taken at the package top center.  
JC  
8. All voltages are with respect to GND.  
Electrical Specifications Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram” and  
“Typical Application” schematic on pages 3 and 4. V  
= 15V (Note 12), R = 10k, C = 3.3nF,  
DD  
= -40°C to +105°C (Industrial) or T = 0°C to +70°C (Commercial), Typical values are at T = +25°C.  
t t  
T
A
A
A
Boldface limits apply over the operating temperature range, -40°C to +105°C or 0°C to +70°C.  
MIN  
MAX  
PARAMETER  
TEST CONDITIONS  
(Note 9) TYP  
(Note 9)  
UNITS  
UNDERVOLTAGE LOCKOUT  
START Threshold (ISL6840, ISL6841)  
START Threshold (ISL6843, ISL6845)  
START Threshold (ISL6842, ISL6844)  
STOP Threshold (ISL6840, ISL6841)  
STOP Threshold (ISL6843, ISL6845)  
STOP Threshold (ISL6843C Only)  
STOP Threshold (ISL6842, ISL6844)  
Hysteresis (ISL6840, ISL6841)  
6.5  
7.8  
13.3  
6.1  
6.7  
6.6  
8.0  
-
7.0  
8.4  
14.3  
6.6  
7.2  
7.2  
8.8  
0.4  
0.8  
5.4  
60  
7.5  
9.0  
15.3  
6.9  
7.7  
7.8  
9.6  
-
V
V
V
V
V
V
V
V
Hysteresis (ISL6843, ISL6845)  
-
-
V
Hysteresis (ISL6842, ISL6844)  
-
-
V
Start-up Current, I  
V
< START Threshold  
-
100  
4.0  
5.5  
µA  
mA  
mA  
DD  
DD  
(Note 10)  
Includes 1nF GATE loading  
Operating Current, I  
-
3.3  
4.1  
DD  
Operating Supply Current, I  
REFERENCE VOLTAGE  
Overall Accuracy  
-
D
Over line (V  
= 12V to 18V), load, temperature  
4.925  
4.82  
-
5.000  
5.000  
5
5.050  
5.18  
-
V
V
DD  
Overall Accuracy (ISL6843C Only)  
Long Term Stability  
Fault Voltage  
T
= +125°C, 1000 hours (Note 11)  
mV  
V
A
4.40  
4.60  
50  
4.65  
4.85  
VREF Good Voltage  
Hysteresis  
4.80 VREF - 0.05  
165 250  
V
mV  
FN9124.13  
February 18, 2015  
6
ISL6840, ISL6841, ISL6842, ISL6843, ISL6844, ISL6845  
Electrical Specifications Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram” and  
“Typical Application” schematic on pages 3 and 4. V  
= 15V (Note 12), R = 10k, C = 3.3nF,  
DD  
= -40°C to +105°C (Industrial) or T = 0°C to +70°C (Commercial), Typical values are at T = +25°C.  
t t  
T
A
A
A
Boldface limits apply over the operating temperature range, -40°C to +105°C or 0°C to +70°C. (Continued)  
MIN  
MAX  
PARAMETER  
Current Limit, Sourcing  
TEST CONDITIONS  
(Note 9) TYP  
(Note 9)  
UNITS  
mA  
-20  
5
-
-
-
-
Current Limit, Sinking  
mA  
CURRENT SENSE  
Input Bias Current  
V
V
V
= 1V  
-1.0  
95  
-
1.0  
105  
1.30  
1.03  
1.07  
3.5  
µA  
mV  
V
CS  
CS  
CS  
CS Offset Voltage  
= 0V (Note 11)  
= 0V (Note 11)  
100  
1.15  
0.97  
0.97  
3.0  
COMP to PWM Comparator Offset Voltage  
Input Signal, Maximum  
0.80  
0.91  
0.9  
2.5  
-
V
Input Signal, Maximum (ISL6843C Only)  
V
Gain, A  
= V  
/V  
0 < V < 910mV, V = 0V (Note 11)  
CS FB  
V/V  
ns  
ns  
CS  
COMP  
CS  
CS to OUT Delay  
(Note 11)  
(Note 11)  
25  
40  
CS to OUT Delay (ISL6843C Only)  
ERROR AMPLIFIER  
Open Loop Voltage Gain  
Open Loop Voltage Gain (ISL6843C Only)  
Unity Gain Bandwidth  
Reference Voltage  
70  
(Note 11)  
(Note 11)  
60  
55  
90  
-
dB  
dB  
MHz  
V
(Note 11)  
3.5  
5
-
2.55  
1.0  
-
V
V
V
V
V
V
= V  
COMP  
2.475  
-1.0  
1.0  
2.514  
FB  
FB  
FB Input Bias Current  
COMP Sink Current  
COMP Source Current  
COMP VOH  
= 0V  
-0.2  
µA  
mA  
mA  
V
= 1.5V, V = 2.7V  
FB  
-
-
COMP  
COMP  
= 1.5V, V = 2.3V  
FB  
-0.4  
4.80  
0.4  
-
= 2.3V  
-
VREF  
1.0  
-
FB  
FB  
COMP VOL  
= 2.7V  
-
V
PSRR  
Frequency = 120Hz, V  
= 12V to 18V (Note 11)  
60  
80  
dB  
DD  
OSCILLATOR  
Frequency Accuracy  
Initial, T = +25°C  
49  
52  
0.2  
-
55  
1.0  
5
kHz  
%
J
Frequency Variation with V  
Temperature Stability  
Amplitude, Peak-to-Peak  
RTCT Discharge Voltage  
Discharge Current  
OUTPUT  
T = +25°C (f  
(Note 11)  
- f  
)/f  
-
DD  
18V 12V 12V  
-
-
%
1.9  
0.7  
8.4  
-
V
-
-
V
RTCT = 2.0V  
7.2  
9.5  
mA  
Gate VOH  
V
to OUT, I  
OUT  
= -200mA  
= 200mA  
-
-
-
-
-
1.0  
1.0  
1.0  
20  
2.0  
2.0  
-
V
V
DD  
Gate VOL  
OUT to GND, I  
OUT  
Peak Output Current  
Rise Time  
C
C
C
= 1nF (Note 11)  
= 1nF (Note 11)  
= 1nF (Note 11)  
A
OUT  
OUT  
OUT  
40  
40  
ns  
ns  
Fall Time  
20  
PWM  
FN9124.13  
February 18, 2015  
7
ISL6840, ISL6841, ISL6842, ISL6843, ISL6844, ISL6845  
Electrical Specifications Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram” and  
“Typical Application” schematic on pages 3 and 4. V  
= 15V (Note 12), R = 10k, C = 3.3nF,  
DD  
= -40°C to +105°C (Industrial) or T = 0°C to +70°C (Commercial), Typical values are at T = +25°C.  
t t  
T
A
A
A
Boldface limits apply over the operating temperature range, -40°C to +105°C or 0°C to +70°C. (Continued)  
MIN  
MAX  
PARAMETER  
Maximum Duty Cycle  
TEST CONDITIONS  
ISL6840, ISL6842, ISL6843  
(Note 9) TYP  
(Note 9)  
UNITS  
%
94  
47  
-
96  
48  
-
-
-
ISL6841, ISL6844, ISL6845  
ISL6840, ISL6842, ISL6843  
ISL6841, ISL6844, ISL6845  
%
Minimum Duty Cycle  
0
0
%
-
-
%
NOTES:  
9. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization  
and are not production tested.  
10. This is the V  
DD  
current consumed when the device is active but not switching. Does not include gate drive current.  
11. Limits established by characterization and are not production tested.  
12. Adjust V above the start threshold and then lower to 15V.  
DD  
Typical Performance Curves  
1.001  
1.000  
0.999  
1.02  
1.01  
1.00  
0.99  
0.98  
0.97  
0.998  
0.997  
0.996  
0.995  
-40  
-10  
20  
50  
80  
110  
-40 -25 -10  
5
20 35 50 65 80 95 110  
TEMPERATURE (°C)  
TEMPERATURE (°C)  
FIGURE 1. FREQUENCY vs TEMPERATURE  
FIGURE 2. REFERENCE VOLTAGE vs TEMPERATURE  
3
1.002  
10  
1.000  
0.998  
0.996  
100pF  
100  
10  
1
220pF  
330pF  
470pF  
1.0nF  
2.2nF  
3.3nF  
4.7nF  
0.994  
-40 -25 -10  
5
20 35 50 65 80 95 110  
10  
20 30 40  
50 60  
70 80 90 100  
TEMPERATURE (°C)  
RT (kΩ)  
FIGURE 3. EA REFERENCE vs TEMPERATURE  
FIGURE 4. RESISTANCE FOR CT CAPACITOR VALUES GIVEN  
FN9124.13  
February 18, 2015  
8
ISL6840, ISL6841, ISL6842, ISL6843, ISL6844, ISL6845  
Functional Description  
Pin Descriptions  
RTCT - This is the oscillator timing control pin. The  
operational frequency and maximum duty cycle are set by  
connecting a resistor, RT, between VREF and this pin and a  
timing capacitor, CT, from this pin to GND. The oscillator  
produces a sawtooth waveform with a programmable  
Features  
The ISL684x current mode PWMs make an ideal choice for  
low-cost flyback and forward topology applications. With its  
greatly improved performance over industry standard parts,  
it is the obvious choice for new designs or existing designs  
which require updating.  
frequency range up to 2.0MHz. The charge time, t , the  
C
discharge time, t , the switching frequency, f, and the  
D
Oscillator  
maximum duty cycle, Dmax, can be calculated from  
Equations 1, 2, 3 and 4:  
The ISL684x family of controllers have a sawtooth oscillator  
with a programmable frequency range to 2MHz, which can  
be programmed with a resistor from VREF and a capacitor to  
GND on the RTCT pin. (Please refer to Figure 4 for the  
resistor and capacitance required for a given frequency.)  
(EQ. 1)  
(EQ. 2)  
t
0.583 RT CT  
C
0.0083 RT 4.3  
----------------------------------------------  
t
RT CT ln  
D
0.0083 RT 2.4  
Soft-Start Operation  
f = 1  t + t  
(EQ. 3)  
(EQ. 4)  
C
D
Soft-start must be implemented externally. One method,  
illustrated in Figure 5, clamps the voltage on COMP.  
D = t f  
C
Figure 4 may be used as a guideline in selecting the  
capacitor and resistor values required for a given frequency.  
VREF  
COMP  
GND  
COMP - COMP is the output of the error amplifier and the  
input of the PWM comparator. The control loop frequency  
compensation network is connected between the COMP and  
FB pins.  
FB - The output voltage feedback is connected to the  
inverting input of the error amplifier through this pin. The  
non-inverting input of the error amplifier is internally tied to a  
reference voltage.  
FIGURE 5. SOFT-START  
CS - This is the current sense input to the PWM comparator.  
The range of the input signal is nominally 0V to 1.0V and has  
an internal offset of 100mV.  
Gate Drive  
The ISL684x family are capable of sourcing and sinking 1A  
peak current. To limit the peak current through the IC, an  
optional external resistor may be placed between the  
totem-pole output of the IC (OUT pin) and the gate of the  
MOSFET. This small series resistor also damps any  
oscillations caused by the resonant tank of the parasitic  
inductances in the traces of the board and the FET’s input  
capacitance.  
GND - GND is the power and small signal reference ground  
for all functions.  
OUT - This is the drive output to the power switching device.  
It is a high current output capable of driving the gate of a  
power MOSFET with peak currents of 1.0A.  
VDD - V  
DD  
is the power connection for the device. The total  
supply current will depend on the load applied to OUT. Total  
current is the sum of the operating current and the  
average output current. Knowing the operating frequency, f,  
and the MOSFET gate charge, Qg, the average output  
current can be calculated in Equation 5:  
Slope Compensation  
I
DD  
For applications where the maximum duty cycle is less than  
50%, slope compensation may be used to improve noise  
immunity, particularly at lighter loads. The amount of slope  
compensation required for noise immunity is determined  
empirically, but is generally about 10% of the full scale  
current feedback signal. For applications where the duty  
cycle is greater than 50%, slope compensation is required to  
prevent instability. The minimum amount of slope  
I
= Qg f  
(EQ. 5)  
OUT  
To optimize noise immunity, bypass V  
DD  
to GND with a  
ceramic capacitor as close to the VDD and GND pins as  
possible.  
compensation required corresponds to 1/2 the inductor  
downslope. Adding excessive slope compensation,  
however, results in a control loop that behaves more as a  
voltage mode controller than as a current mode controller.  
VREF - The 5.00V reference voltage output. +1.0/-1.5%  
tolerance over line, load and operating temperature. Bypass  
to GND with a 0.1µF to 3.3µF capacitor to filter this output as  
needed.  
Slope compensation may be added to the CS signal shown  
in Figure 7.  
FN9124.13  
February 18, 2015  
9
ISL6840, ISL6841, ISL6842, ISL6843, ISL6844, ISL6845  
DOWNSLOPE  
CURRENT SENSE SIGNAL  
TIME  
FIGURE 6. CURRENT SENSE DOWNSLOPE  
RTCT  
VREF  
CS  
FIGURE 7. SLOPE COMPENSATION  
Fault Conditions  
A Fault condition occurs if VREF falls below 4.65V. When a  
Fault is detected, OUT is disabled. When VREF exceeds  
4.80V, the Fault condition clears, and OUT is enabled.  
Ground Plane Requirements  
Careful layout is essential for satisfactory operation of the  
device. A good ground plane must be employed. A unique  
section of the ground plane must be designated for high di/dt  
currents associated with the output stage. V  
should be  
bypassed directly to GND with good high frequency capacitors.  
DD  
ISL6840, ISL6841, ISL6842, ISL6843, ISL6844, ISL6845  
Revision History  
The revision history provided is for informational purposes only and is believed to be accurate, but not warranted. Please go to the web to make  
sure that you have the latest revision.  
DATE  
REVISION  
CHANGE  
February 18, 2016  
FN9124.13 -Updated Ordering Information table on page 2.  
September 29, 2015 FN9124.12 - Updated Ordering Information Table on page 2.  
- Added Revision History.  
- Added About Intersil Verbiage.  
- Updated POD L8.2X3 to latest revision changes are as follow:  
-Revision 1 to Revision 2 Changes:  
Tiebar Note 5 updated  
From: Tiebar shown (if present) is a non-functional feature.  
To: Tiebar shown (if present) is a non-functional feature and may be located on any of the 4 sides (or  
ends).  
About Intersil  
Intersil Corporation is a leading provider of innovative power management and precision analog solutions. The company's products  
address some of the largest markets within the industrial and infrastructure, mobile computing and high-end consumer markets.  
For the most updated datasheet, application notes, related documentation and related parts, please see the respective product  
information page found at www.intersil.com.  
You may report errors or suggestions for improving this datasheet by visiting www.intersil.com/ask.  
Reliability reports are also available from our website at www.intersil.com/support.  
All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9001 quality systems.  
Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality  
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without  
notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and  
reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result  
from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.  
For information regarding Intersil Corporation and its products, see www.intersil.com  
FN9124.13  
February 18, 2015  
11  
ISL6840, ISL6841, ISL6842, ISL6843, ISL6844, ISL6845  
Package Outline Drawing  
M8.15  
8 LEAD NARROW BODY SMALL OUTLINE PLASTIC PACKAGE  
Rev 4, 1/12  
DETAIL "A"  
1.27 (0.050)  
0.40 (0.016)  
INDEX  
AREA  
6.20 (0.244)  
5.80 (0.228)  
0.50 (0.20)  
x 45°  
0.25 (0.01)  
4.00 (0.157)  
3.80 (0.150)  
8°  
0°  
1
2
3
0.25 (0.010)  
0.19 (0.008)  
SIDE VIEW “B”  
TOP VIEW  
2.20 (0.087)  
1
8
SEATING PLANE  
0.60 (0.023)  
1.27 (0.050)  
1.75 (0.069)  
5.00 (0.197)  
4.80 (0.189)  
2
3
7
6
1.35 (0.053)  
-C-  
4
5
0.25(0.010)  
0.10(0.004)  
1.27 (0.050)  
0.51(0.020)  
0.33(0.013)  
5.20(0.205)  
SIDE VIEW “A  
TYPICAL RECOMMENDED LAND PATTERN  
NOTES:  
1. Dimensioning and tolerancing per ANSI Y14.5M-1994.  
2. Package length does not include mold flash, protrusions or gate burrs.  
Mold flash, protrusion and gate burrs shall not exceed 0.15mm (0.006  
inch) per side.  
3. Package width does not include interlead flash or protrusions. Interlead  
flash and protrusions shall not exceed 0.25mm (0.010 inch) per side.  
4. The chamfer on the body is optional. If it is not present, a visual index  
feature must be located within the crosshatched area.  
5. Terminal numbers are shown for reference only.  
6. The lead width as measured 0.36mm (0.014 inch) or greater above the  
seating plane, shall not exceed a maximum value of 0.61mm (0.024 inch).  
7. Controlling dimension: MILLIMETER. Converted inch dimensions are not  
necessarily exact.  
8. This outline conforms to JEDEC publication MS-012-AA ISSUE C.  
FN9124.13  
February 18, 2015  
12  
ISL6840, ISL6841, ISL6842, ISL6843, ISL6844, ISL6845  
Package Outline Drawing  
M8.118  
8 LEAD MINI SMALL OUTLINE PLASTIC PACKAGE  
Rev 4, 7/11  
5
3.0±0.05  
A
8
DETAIL "X"  
D
1.10 MAX  
SIDE VIEW 2  
0.09 - 0.20  
4.9±0.15  
3.0±0.05  
5
0.95 REF  
PIN# 1 ID  
1
2
B
0.65 BSC  
GAUGE  
PLANE  
TOP VIEW  
0.25  
3°±3°  
0.55 ± 0.15  
DETAIL "X"  
0.85±010  
H
C
SEATING PLANE  
0.10 C  
0.25 - 0.36  
0.10 ± 0.05  
0.08  
C A-B D  
M
SIDE VIEW 1  
(5.80)  
NOTES:  
1. Dimensions are in millimeters.  
(4.40)  
(3.00)  
2. Dimensioning and tolerancing conform to JEDEC MO-187-AA  
and AMSEY14.5m-1994.  
3. Plastic or metal protrusions of 0.15mm max per side are not  
included.  
(0.65)  
4. Plastic interlead protrusions of 0.15mm max per side are not  
included.  
(0.40)  
(1.40)  
5. Dimensions are measured at Datum Plane "H".  
6. Dimensions in ( ) are for reference only.  
TYPICAL RECOMMENDED LAND PATTERN  
FN9124.13  
February 18, 2015  
13  
ISL6840, ISL6841, ISL6842, ISL6843, ISL6844, ISL6845  
Package Outline Drawing  
L8.2x3  
8 LEAD DUAL FLAT NO-LEAD PLASTIC PACKAGE  
Rev 2, 3/15  
2.00  
A
2X 1.50  
PIN 1  
INDEX AREA  
6X 0.50  
B
1
6
PIN #1  
INDEX AREA  
1.80 +0.10/-0.15  
(4X)  
0.15  
8
4
8X 0.25 +0.07/-0.05  
8X 0.40 ±0.10  
0.10 M C A B  
TOP VIEW  
1.65 +0.10/-0.15  
BOTTOM VIEW  
SEE DETAIL "X"  
0.10 C  
0.90 ±0.10  
(1.65)  
(1.50)  
C
BASE PLANE  
SEATING PLANE  
0.08 C  
(8X 0.60)  
0.05 MAX  
SIDE VIEW  
0.20 REF  
(1.80)  
(2.80)  
C
(6X 0.50)  
0.05 MAX  
DETAIL "X"  
(8X 0.25)  
TYPICAL RECOMMENDED LAND PATTERN  
NOTES:  
1. Dimensions are in millimeters.  
Dimensions in ( ) for Reference Only.  
2. Dimensioning and tolerancing conform to ASME Y14.5m-1994.  
3.  
Unless otherwise specified, tolerance : Decimal ± 0.05  
4. Dimension applies to the metallized terminal and is measured  
between 0.25mm and 0.30mm from the terminal tip.  
5. Tiebar shown (if present) is a non-functional feature and may be  
located on any of the 4 sides (or ends).  
The configuration of the pin #1 identifier is optional, but must be  
located within the zone indicated. The pin #1 identifier may be  
either a mold or mark feature.  
6.  
7. Compies to JEDEC MO-229 VCED-2.  
FN9124.13  
February 18, 2015  
14  

相关型号:

ISL6840_07

Improved Industry Standard Single-Ended Current Mode PWM Controller
INTERSIL

ISL6841

Improved Industry Standard Single-Ended Current Mode PWM Controller
INTERSIL

ISL6841EVAL3Z

Improved Industry Standard Single-Ended
INTERSIL

ISL6841IB

Improved Industry Standard Single-Ended Current Mode PWM Controller
INTERSIL

ISL6841IB

1 A SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, MS-012AA, SOIC-8
ROCHESTER

ISL6841IB-T

Improved Industry Standard Single-Ended Current Mode PWM Controller
INTERSIL

ISL6841IBZ

Improved Industry Standard Single-Ended Current Mode PWM Controller
INTERSIL

ISL6841IRZ

Improved Industry Standard Single-Ended
INTERSIL

ISL6841IRZ-T

Improved Industry Standard Single-Ended Current Mode PWM Controller
INTERSIL

ISL6841IU

Improved Industry Standard Single-Ended Current Mode PWM Controller
INTERSIL

ISL6841IU

1A SWITCHING CONTROLLER, 2000kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, MO-187AA, MSOP-8
ROCHESTER

ISL6841IUZ

Improved Industry Standard Single-Ended Current Mode PWM Controller
INTERSIL