RT9011-FMGQWC [RICHTEK]
IC REG LINEAR 1.5V/2.8V 6WDFN;
| 型号： | RT9011-FMGQWC |
| 厂家： | 
RICHTEK TECHNOLOGY CORPORATION |
| 描述： | IC REG LINEAR 1.5V/2.8V 6WDFN |
| 文件： | 总15页 (文件大小：302K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
RT9011
Portable Power Management 300mA Dual LDO Regulator
General Description
Features
Wide Operating Voltage Ranges : 2.5V to 5.5V
The RT9011 is a dual channel, low noise, and low dropout
regulator sourcing up to 300mAat each channel. The range
of output voltage is from 1.2V to 3.5V by operating from
2.5V to 5.5V input.
Low-Noise for RF Application
No Noise Bypass Capacitor Required
Fast Response in Line/Load Transient
TTL-Logic-Controlled Shutdown Input
Low Temperature Coefficient
The RT9011 offers 2% accuracy, extremely low dropout
voltage (240mV @ 300mA), and extremely low ground
current, only 27μA per LDO. The shutdown current is near
zero current which is suitable for battery-power devices.
Other features include current limiting, over temperature,
output short circuit protection.
Dual LDO Outputs (300mA/300mA)
Ultra-low Quiescent Current 27μA/LDO
High Output Accuracy 2%
Short Circuit Protection
Thermal Shutdown Protection
The RT9011 is short circuit thermal folded back protected.
The IC lowers its OTP trip point from 165°C to 110°C when
output short circuit occurs (VOUT < 0.4V) providing
maximum safety to end users.
Current Limit Protection
Short Circuit Thermal Folded Back Protection
Tiny TSOT-23-6 and 6-Lead/8-Lead/10-Lead WDFN
Packages
RoHS Compliant and 100% Lead (Pb)-Free
The RT9011 can operate stably with very small ceramic
output capacitors, reducing required board space and
component cost. The RT9011 is available in fixed output
voltages in the TSOT-23-6, WDFN-8L2x2, WDFN-10L3x3,
WDFN-8L 3x3 and WDFN-6L 1.6x1.6 packages.
Applications
CDMA/GSM Cellular Handsets
Battery-Powered Equipment
Laptop, Palmtops,Notebook Computers
Hand-Held Instruments
Ordering Information
RT9011-
PCMCIA Cards
Portable InformationAppliances
Package Type
J6 : TSOT-23-6
QW : WDFN-8L 2x2 (W-Type)
QWA : WDFN-10L 3x3 (W-Type)
QWB : WDFN-8L 3x3 (W-Type)
QWC : WDFN-6L 1.6x1.6 (W-Type)
Marking Information
For marking information, contact our sales representative
directly or through a Richtek distributor located in your
area.
Lead Plating System
P : Pb Free
G : Green (Halogen Free and Pb Free)
Available Voltage Version
Output Voltage : VOUT1/VOUT2
VOUT2 > VOUT1 is Recommended
Note :
Code Voltage Code Voltage Code Voltage
A
D
G
K
N
R
V
Z
3.5
1.85
1.8
B
E
H
L
1.3
2.1
2
C
F
1.2
1.5
2.5
2.8
3.1
2.65
1.9
Richtek products are :
RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
J
2.6
2.7
3
M
Q
T
Suitable for use in SnPb or Pb-free soldering processes.
2.85
3.2
P
S
W
3.3
1.6
2.9
Y
3.15
DS9011-09 July 2017
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1
RT9011
Pin Configuration
(TOP VIEW)
VOUT1 VIN EN1
1
8
7
6
5
1
2
3
4
5
10
9
8
1
2
3
4
8
7
6
5
VIN
VIN
EN1
EN2
NC
VIN
EN1
EN2
NC
VOUT1
VOUT2
NC
VOUT1
VOUT2
NC
VOUT1
NC
GND
6
5
2
4
3
1
2
3
6
5
4
VIN
EN1
EN2
VOUT1
VOUT2
GND
2
3
4
EN1
EN2
NC
GND
7
GND
GND
GND
11
7
NC
9
9
9
GND
GND
VOUT2
NC
VOUT2 GND EN2
TSOT-23-6
WDFN-8L 2x2
WDFN-10L 3x3
WDFN-8L 3x3
WDFN-6L 1.6x1.6
Typical Application Circuit
V
VIN
IN
C
V
VOUT1
VOUT2
IN
OUT1
C
1uF
OUT1
RT9011
1uF
EN1
EN2
Chip Enable
V
OUT2
C
OUT2
1uF
GND
Functional Pin Description
Pin No.
Pin Name
Pin Function
WDFN-8L WDFN-10L WDFN-8L WDFN-6L
TSOT-23-6
2x2
3x3
3x3
1.6x1.6
5
4
3
1
1
1
1
2
VIN
Supply input.
2
2
2
EN1
EN2
Chip enable1 (Active high).
Chip enable2 (Active high).
3
3
3
3
5,
6,
6,
4,
Common ground. The exposed pad must be
soldered to a large PCB and connected to
GND for maximum power dissipation.
2
Exposed Exposed Exposed Exposed GND
Pad (9)
Pad (11)
9
Pad (9)
Pad (7)
1
6
7
8
5
8
5
6
VOUT2
VOUT1
NC
Channel 2 output voltage.
Channel 1 output voltage.
No internal connection.
10
--
4, 6
4, 5, 7, 8
4, 7
--
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DS9011-09 July 2017
RT9011
Functional Block Diagram
EN1
Shutdown
and
VIN
0.2uA
Logic Control
VREF
MOS Driver
+
Error
Amplifier
VOUT1
GND
Current-Limit
and
Thermal
Protection
EN2
Shutdown
0.2uA
and
Logic Control
VREF
MOS Driver
+
Error
Amplifier
VOUT2
GND
Current-Limit
and
Thermal
Protection
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3
RT9011
Absolute Maximum Ratings (Note 1)
Supply Input Voltage ---------------------------------------------------------------------------------------------------- −0.3V to 7V
Other I/O Pin Voltages-------------------------------------------------------------------------------------------------- −0.3V to 7V
PowerDissipation, PD @ TA = 25°C
TSOT-23-6 ----------------------------------------------------------------------------------------------------------------- 0.455W
WDFN-8L2x2 ------------------------------------------------------------------------------------------------------------- 0.606W
WDFN-10L 3x3 ----------------------------------------------------------------------------------------------------------- 0.926W
WDFN-8L3x3 ------------------------------------------------------------------------------------------------------------- 0.926W
WDFN-6L1.6x1.6 -------------------------------------------------------------------------------------------------------- 0.571W
Package Thermal Resistance (Note 2)
TSOT-23-6, θJA ----------------------------------------------------------------------------------------------------------- 220°C/W
WDFN-8L 2x2, θJA ------------------------------------------------------------------------------------------------------- 165°C/W
WDFN-10L 3x3, θJA ------------------------------------------------------------------------------------------------------ 108°C/W
WDFN-8L 3x3, θJA ------------------------------------------------------------------------------------------------------- 108°C/W
WDFN-6L 1.6x1.6, θJA -------------------------------------------------------------------------------------------------- 175°C/W
Junction Temperature --------------------------------------------------------------------------------------------------- 150°C
Lead Temperature (Soldering, 10 sec.) ----------------------------------------------------------------------------- 260°C
Storage Temperature Range ------------------------------------------------------------------------------------------- −65°C to 150°C
ESD Susceptibility (Note 3)
HBM (Human Body Mode) --------------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ---------------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 4)
Supply Input Voltage ---------------------------------------------------------------------------------------------------- 2.5V to 5.5V
Enable Input Voltage ---------------------------------------------------------------------------------------------------- 0V to 5.5V
Junction Temperature Range ------------------------------------------------------------------------------------------ −40°C to 125°C
Ambient Temperature Range ------------------------------------------------------------------------------------------ −40°C to 85°C
Electrical Characteristics
(VIN = VOUT + 1V, VEN = VIN, CIN = COUT = 1μF, TA = −40°C to 85°C, unless otherwise specified.)
Parameter
Input Voltage
Symbol
Test Conditions
VIN = 2.5V to 5.5V
VDROP IOUT = 300mA
VOUT
Min
2.5
--
Typ
--
Max
5.5
330
3.5
+3
Unit
V
Dropout Voltage (Note 5)
Output Voltage Range
VOUT Accuracy
240
--
mV
V
1.2
3
--
%
V
IOUT = 1mA to 300mA
VIN = (VOUT + 0.3V) to 5.5V or
VIN > 2.5V, whichever is larger
Line Regulation
--
--
0.2
%/V
VLINE
Load Regulation
Current Limit
--
330
--
--
450
58
--
0.6
700
80
1
%
mA
A
A
VLOAD 1mA < IOUT< 300mA
RLOAD = 1
Quiescent Current
Shutdown Current
IQ
VEN > 1.5V
--
IQ_SD
VIH
VIL
VEN < 0.4V
1.5
--
--
--
VIN = 2.5V to 5.5V, Power On
VIN = 2.5V to 5.5V, Shutdown
EN Threshold
V
--
0.4
To be continued
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DS9011-09 July 2017
RT9011
Parameter
Output Voltage TC
Symbol
Test Conditions
Min
Typ
Max
Unit
--
100
--
ppm/C
VOUT Discharge Resistance in
Shutdown (Note 6)
--
3
--
k
V
IN = 5V, EN1 = EN2 = GND
EN Pull Low Current
--
--
--
--
--
--
--
--
--
0.2
170
40
--
--
--
--
--
--
--
--
--
A
C
C
IEN
Thermal Shutdown
TSD
TSD
Thermal Shutdown Hysteresis
70
f = 100Hz
f = 1kHz
70
PSRR
70
f = 10kHz
f = 100kHz
f = 200kHz
f = 300kHz
V
IN = VOUT + 1V, COUT = 2.2F
PSRR
dB
54
ILOAD = 50mA
45
38
COUT1 = COUT2 = 10uF, 10Hz to
100kHz, IOUT1 = IOUT2 = 1mA
Output Voltage Noise
--
100
--
uVrms
Note 1. Stresses listed as the above "Absolute Maximum Ratings" may cause permanent damage to the device. These are for
stress ratings. 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 remain possibility to affect device reliability.
Note 2. θJA is measured in the natural convection at TA = 25°C on a low effective single layer thermal conductivity test board of
JEDEC 51-3 thermal measurement standard.
Note 3. Devices are ESD sensitive. Handling precaution recommended.
Note 4. The device is not guaranteed to function outside its operating conditions.
Note 5. The dropout voltage is defined as VIN -VOUT, which is measured when VOUT is VOUT(NORMAL) − 100mV.
Note 6. It is guaranteed by design.
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RT9011
Typical Operating Characteristics
Output Voltage vs. Temperature
Output Voltage vs. Temperature
3.4
3.35
3.3
1.9
RT9011-GS, VOUT1
RT9011-GS, VOUT2
1.85
1.8
3.25
3.2
1.75
1.7
-50
-25
0
25
50
75
100
125
-50
-25
0
25
50
75
100
125
(°C)
Temperature
Temperature (°C)
Quiescent Current vs. Temperature
Dropout Voltage vs. Load Current
70
65
60
55
50
350
300
250
200
150
100
50
RT9011-GS
RT9011-GS, VOUT2
VIN = VEN = 4.3V
TJ = 125°C
CIN = COUT1 = COUT2 = 1uF/X7R
TJ = 25°C
TJ = -40°C
0
0
50
100
150
200
250
300
-50
-25
0
25
50
75
100
125
Temperature (°C)
Load Current (mA)
Power-On
Line Transient Response
RT9011-FM
Both ILOAD = 10mA
RT9011-GS, Both ILOAD= 1mA
VIN = 3.8V to 4.8V
4.8
VIN
(V)
VEN
(5V/Div)
3.8
VOUT2
VOUT1
(1V/Div)
VOUT2
(10mV/Div)
VOUT1
(2V/Div)
(10mV/Div)
POR
(5V/Div)
Time (10μs/Div)
Time (100μs/Div)
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DS9011-09 July 2017
RT9011
Line Transient Response
Line Transient Response
RT9011-GS, Both ILOAD = 10mA
VIN = 3.8V to 4.8V
RT9011-GS, Both ILOAD= 50mA
VIN = 3.8V to 4.8V
4.8
3.8
4.8
3.8
VIN
(V)
VIN
(V)
VOUT2
VOUT2
(10mV/Div)
(10mV/Div)
VOUT1
VOUT1
(10mV/Div)
(10mV/Div)
Time (100μs/Div)
Time (100μs/Div)
Load Transient Response
Line Transient Response
RT9011-GS, Both ILOAD= 100mA
VIN = 3.8V to 4.8V
RT9011-GS, ILOAD = 10mA to 50mA
VIN = VEN = 4.3V
CIN = COUT1 = COUT2 = 1uF/X7R
4.8
VIN
(V)
IOUT
(50mA/Div)
3.8
VOUT2
(10mV/Div)
VOUT1
(20mV/Div)
VOUT1
(10mV/Div)
VOUT2
(20mV/Div)
Time (250μs/Div)
Time (100μs/Div)
Load Transient Response
Start Up
RT9011-GS, ILOAD = 10mA to 100mA
VIN = VEN = 4.3V
CIN = COUT1 = COUT2 = 1uF/X7R
RT9011-FM, VIN = 5V
IOUT1 = IOUT2 = 50mA
VEN
IOUT
(100mA/Div)
(5V/Div)
(1V/Div)
VOUT2
VOUT1
(20mV/Div)
VOUT1
VOUT2
(20mV/Div)
Time (250μs/Div)
Time (5μs/Div)
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RT9011
PSRR
EN Pin Shutdown Response
20
0
RT9011-FM, VIN = 5V
IOUT1 = IOUT2 = 50mA
IOUT = 50mA
VEN
(5V/Div)
(1V/Div)
-20
-40
-60
-80
VOUT2
VOUT1
10
100
1k
10k
100k 1M
Time (50μs/Div)
Frequency(Hz)
Noise
Noise
RT9011-GS,No LOAD
RT9011-GS, ILOAD= 50mA
VIN = VEN = 4.5V(By battery)
CIN = COUT1 = COUT2 = 1uF/X7R
VIN = VEN = 4.5V(By battery)
150
100
50
300
CIN = COUT1 = COUT2 = 1uF/X7R
200
100
0
0
-50
-100
-150
-100
-200
-300
Time (10ms/Div)
Time (10ms/Div)
EN1 Pin Response
EN2 Pin Response
VEN1
VEN2
VEN1
VEN1
(2V/Div)
VEN2
(2V/Div)
VEN2
VEN1
VEN2
(2V/Div)
(2V/Div)
VOUT2
VOUT1
VOUT1
(1V/Div)
(1V/Div)
VOUT2
Time (10ms/Div)
Time (10ms/Div)
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DS9011-09 July 2017
RT9011
Applications Information
Like any low-dropout regulator, the external capacitors used
with the RT9011 must be carefully selected for regulator
stability and performance. Using a capacitor whose value
is > 1μF on the RT9011 input and the amount of capacitance
can be increased without limit. The input capacitor must
be located a distance of not more than 0.5 inch from the
input pin of the IC and returned to a clean analog ground.
Any good quality ceramic or tantalum can be used for this
capacitor. The capacitor with larger value and lower ESR
(equivalent series resistance) provides better PSRR and
line-transient response.
Thermal Considerations
Thermal protection limits power dissipation in RT9011.
When the operation junction temperature exceeds 170°C,
the OTP circuit starts the thermal shutdown function and
turns the pass element off. The pass element turns on
again after the junction temperature cools by 40°C.
RT9011 lowers its OTP trip level from 170°C to 110°C
when output short circuit occurs (VOUT < 0.4V) as shown
in Figure 2. It limits IC case temperature under 100°C and
provides maximum safety to customer while output short
circuit occurring.
The output capacitor must meet both requirements for
minimum amount of capacitance and ESR in all LDOs
application. The RT9011 is designed specifically to work
with low ESR ceramic output capacitor in space-saving
and performance consideration. Using a ceramic capacitor
whose value is at least 1μF with ESR is > 20mΩ on the
RT9011 output ensures stability. The RT9011 still works
well with output capacitor of other types due to the wide
stable ESR range. Figure 1. shows the curves of allowable
ESR range as a function of load current for various output
capacitor values. Output capacitor of larger capacitance
can reduce noise and improve load transient response,
stability, and PSRR. The output capacitor should be located
not more than 0.5 inch from the VOUT pin of the RT9011
and returned to a clean analog ground.
V
Short to GND
OUT
0.4V
V
I
OUT
OUT
TSD
170 C
OTP Trip Point
110 C
110 C
80 C
IC Temperature
Figure 2. Short Circuit Thermal Folded Back Protection
when Output Short Circuit Occurs (Patent)
Region of Stable COUT ESR vs. Load Current
100
RT9011-FM, VIN = 5V
CIN = COUT1 = COUT2 = 1uF/X7R
For continuous operation, do not exceed absolute
maximum operation junction temperature 125°C. The
power dissipation definition in device is :
10
Unstable Range
1
PD = (VIN-VOUT) x IOUT + VIN x IQ
Stable Range
0.1
The maximum power dissipation depends on the thermal
resistance of IC package, PCB layout, the rate of
surroundings airflow and temperature difference between
junction to ambient. The maximum power dissipation can
be calculated by following formula :
0.01
Simulation Verify
0.001
0
50
100
150
200
250
300
PD(MAX) = ( TJ(MAX) - TA ) /θJA
Load Current (mA)
Where TJ(MAX) is the maximum operation junction
temperature, TAis the ambient temperature and the θJA is
the junction to ambient thermal resistance.
Figure 1. Stable Cout ESR Range
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RT9011
For recommended operating conditions specification of
RT9011, the maximum junction temperature is 125°C. The
junction to ambient thermal resistance ( θJA is layout
dependent ) for TSOT-23-6 is 220°C/W, WDFN-8L2x2 is
165°C/W, WDFN-10L 3x3 is 108°C/W, WDFN-8L 3x3 is
108°C/W and WDFN-8L 1.6x1.6 is 175°C/W on the
standard JEDEC 51-3 single-layer thermal test board. The
maximum power dissipation at TA = 25°C can be calculated
by following formula :
PD(MAX) = ( 125°C − 25°C ) / (220°C/W) = 0.455W for
TSOT-23-6 packages
PD(MAX) = ( 125°C − 25°C ) / (165°C/W) = 0.606W for
WDFN-8L 2x2 packages
PD(MAX) = ( 125°C − 25°C ) / (108°C/W) = 0.926W for
WDFN-10L 3x3 packages
PD(MAX) = ( 125°C − 25°C ) / (108°C/W) = 0.926W for
WDFN-8L 3x3 packages
PD(MAX) = ( 125°C − 25°C ) / (175°C/W) = 0.571W for
WDFN-6L 1.6x1.6 packages
The maximum power dissipation depends on operating
ambient temperature for fixed TJ(MAX) and thermal
resistance θJA. For RT9011 packages, the Figure 3 of de-
rating curves allows the designer to see the effect of rising
ambient temperature on the maximum power allowed.
1
Single Layer PCB
0.9
WDFN-8L 3x3
0.8
WDFN-10L 3x3
0.7
WDFN-8L 2x2
0.6
0.5
TSOT-23-6
0.4
0.3
0.2
0.1
0
WDFN-6L 1.6x1.6
0
25
50
75
100
125
Ambient Temperature (°C)
Figure 3.Derating Curves for RT9011 Packages
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DS9011-09 July 2017
RT9011
Outline Dimension
H
D
L
C
A
B
b
A1
e
Dimensions In Millimeters
Dimensions In Inches
Symbol
Min
Max
1.000
0.100
1.803
0.559
3.000
3.099
1.041
0.254
0.610
Min
Max
A
A1
B
0.700
0.000
1.397
0.300
2.591
2.692
0.838
0.080
0.300
0.028
0.000
0.055
0.012
0.102
0.106
0.033
0.003
0.012
0.039
0.004
0.071
0.022
0.118
0.122
0.041
0.010
0.024
b
C
D
e
H
L
TSOT-23-6 Surface Mount Package
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RT9011
D2
D
L
E
E2
SEE DETAIL A
1
2
1
2
1
e
b
A
DETAILA
Pin #1 ID and Tie Bar Mark Options
A3
A1
Note : The configuration of the Pin #1 identifier is optional,
but must be located within the zone indicated.
Dimensions In Millimeters
Dimensions In Inches
Symbol
Min
Max
Min
Max
A
A1
A3
b
0.700
0.000
0.175
0.200
1.950
1.000
1.950
0.400
0.800
0.050
0.250
0.300
2.050
1.250
2.050
0.650
0.028
0.000
0.007
0.008
0.077
0.039
0.077
0.016
0.031
0.002
0.010
0.012
0.081
0.049
0.081
0.026
D
D2
E
E2
e
0.500
0.020
L
0.300
0.400
0.012
0.016
W-Type 8L DFN 2x2 Package
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DS9011-09 July 2017
RT9011
D2
D
L
E
E2
SEE DETAIL A
1
2
1
2
1
e
b
A
DETAILA
Pin #1 IDand Tie Bar Mark Options
A3
A1
Note : The configuration of the Pin #1 identifier is optional,
but must be located within the zone indicated.
Dimensions In Millimeters
Dimensions In Inches
Symbol
Min
Max
Min
Max
A
A1
A3
b
0.700
0.000
0.175
0.180
2.950
2.300
2.950
1.500
0.800
0.050
0.250
0.300
3.050
2.650
3.050
1.750
0.028
0.000
0.007
0.007
0.116
0.091
0.116
0.059
0.031
0.002
0.010
0.012
0.120
0.104
0.120
0.069
D
D2
E
E2
e
0.500
0.020
L
0.350
0.450
0.014
0.018
W-Type 10L DFN 3x3 Package
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RT9011
D2
D
L
E
E2
SEE DETAIL A
1
2
1
2
1
e
b
DETAILA
Pin #1 ID and Tie Bar Mark Options
A
A3
A1
The configuration of the Pin #1 identifier is optional,
but must be located within the zone indicated.
Dimensions In Millimeters
Dimensions In Inches
Symbol
Min
Max
Min
Max
A
A1
A3
b
0.700
0.000
0.175
0.200
2.950
2.100
2.950
1.350
0.800
0.050
0.250
0.300
3.050
2.350
3.050
1.600
0.028
0.000
0.007
0.008
0.116
0.083
0.116
0.053
0.031
0.002
0.010
0.012
0.120
0.093
0.120
0.063
D
D2
E
E2
e
0.650
0.026
L
0.425
0.525
0.017
0.021
W-Type 8L DFN 3x3 Package
www.richtek.com
14
DS9011-09 July 2017
RT9011
D
D2
L
E
E2
SEE DETAIL A
1
b
2
1
2
1
e
DETAILA
Pin #1 IDand Tie Bar Mark Options
A
A3
A1
Note : The configuration of the Pin #1 identifier is optional,
but must be located within the zone indicated.
Dimensions In Millimeters
Dimensions In Inches
Symbol
Min
Max
Min
Max
0.031
0.002
0.010
0.012
0.065
0.041
0.065
0.026
A
A1
A3
b
0.700
0.000
0.175
0.200
1.550
0.950
1.550
0.550
0.800
0.050
0.250
0.300
1.650
1.050
1.650
0.650
0.028
0.000
0.007
0.008
0.061
0.037
0.061
0.022
D
D2
E
E2
e
0.500
0.020
L
0.190
0.290
0.007
0.011
W-Type 6L DFN 1.6x1.6 Package
Richtek Technology Corporation
Headquarter
Richtek Technology Corporation
Taipei Office (Marketing)
5F, No. 20, Taiyuen Street, Chupei City
Hsinchu, Taiwan, R.O.C.
5F, No. 95, Minchiuan Road, Hsintien City
Taipei County, Taiwan, R.O.C.
Tel: (8863)5526789 Fax: (8863)5526611
Tel: (8862)86672399 Fax: (8862)86672377
Email: marketing@richtek.com
Information that is provided by Richtek Technology Corporation is believed to be accurate and reliable. Richtek reserves the right to make any change in circuit
design, specification or other related things if necessary without notice at any time. No third party intellectual property infringement of the applications should be
guaranteed by users when integrating Richtek products into any application. No legal responsibility for any said applications is assumed by Richtek.
DS9011-09 July 2017
www.richtek.com
15
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