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LP3941 Datasheet, PDF (11/34 Pages) Texas Instruments – Cellular Phone Power Management Unit | |||
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VO8 LDO Electrical Characteristics
Unless otherwise noted, VIN = VBATT = 3.6V. Typical values and limits appearing in normal type apply for TJ = 25°C. Limits appearing
in boldface type apply over the entire junction temperature range for operation, â40 to +125°C. (Note 2, Note 8, Note 9)
Symbol
Parameter
Condition
Min
Typ
Max
Units
VOUT
Output Voltage
Accuracy
1 mA ⤠IOUT ⤠150 mA, VOUT = 2.7V
â3
±1.0
+3
%
3.0V ⤠VBATT = VIN ⤠5.5V
VOUT
Range
Programmable Output Voltage
Range
0 µA ⤠IOUT ⤠150 mA
Programming Resolution = 100 mV
2.5
3.0
3.2
V
IOUT
Output Current
VINâVOUT
ÎVOUT
Output Current Limit
Dropout Voltage
Line Regulation
eN
PSRR
Load Regulation
Output Noise Voltage
Power Supply Ripple
Rejection Ratio
(VOUT + 0.25V, 3.0V)MAX ⤠VBATT
VBATT = VIN ⤠5.5V
VOUT = 0V
IOUT = 75 mA
(VOUT + 0.25V, 3.0V)MAX ⤠VBATT
VBATT = VIN ⤠5.5V, IOUT = 75 mA
VIN = 3.6V, 1 mA ⤠IOUT ⤠150 mA
10 Hz ⤠f ⤠100 kHz,
COUT = 2.2 µF
f = 217 Hz, COUT = 2.2 µF
150
mA
510
30
173
mV
3
mV
12
41
27
µVRMS
57
dB
IGND
COUT
Ground Current
Output Capacitance
Output Capacitor ESR
IOUT = 100 µA
0 µA ⤠IOUT ⤠150 mA
30
µA
2
20
µF
5
500
mâ¦
tSTART-UP Start-Up Time from Shutdown
COUT = 2.2 µF, IOUT = 150 mA (Note 10)
60
µs
VO9 LDO Electrical Characteristics
Unless otherwise noted, VIN = VBATT = 3.6V. Typical values and limits appearing in normal type apply for TJ = 25°C. Limits appearing
in boldface type apply over the entire junction temperature range for operation, â40 to +125°C. (Note 2, Note 8, Note 9)
Symbol
Parameter
Condition
Min
Typ
Max
Units
VOUT
Output Voltage
Accuracy
1 mA ⤠IOUT ⤠200 mA, VOUT = 2.2V
â3
±1.0
+3
%
3.0V ⤠VBATT = VIN ⤠5.5V
VOUT
Range
Programmable Output Voltage
Range
0 µA ⤠IOUT ⤠200 mA
Programming Resolution = 100 mV
1.5
3.0
3.0
V
IOUT
Output Current
VINâVOUT
ÎVOUT
Output Current Limit
Dropout Voltage
Line Regulation
eN
PSRR
Load Regulation
Output Noise Voltage
Power Supply Ripple
Rejection Ratio
(VOUT + 0.25V, 3.0V)MAX ⤠VBATT
VBATT = VIN ⤠5.5V
VOUT = 0V
IOUT = 100 mA
(VOUT + 0.25V, 3.0V)MAX ⤠VBATT
VBATT = VIN ⤠5.5V, IOUT = 100 mA
VIN = 3.6V, 1 mA ⤠IOUT ⤠200 mA
10 Hz ⤠f ⤠100 kHz,
COUT = 4.7 µF
f = 217 Hz, COUT = 4.7 µF
200
mA
770
50
288
mV
3
mV
15
44
27
µVRMS
60
dB
IGND
COUT
Ground Current
Output Capacitance
Output Capacitor ESR
IOUT = 100 µA
1 µA ⤠IOUT ⤠200 mA
30
µA
2
20
µF
5
500
mâ¦
tSTART-UP Start-Up Time from Shutdown
COUT = 4.7 µF, IOUT = 200 mA (Note 10)
60
µs
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200945 Version 4 Revision 2 Print Date/Time: 2011/10/25 13:09:13
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