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TPS65950 Datasheet(PDF) 49 Page - Texas Instruments

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Part # TPS65950
Description  Integrated Power Management/Audio Codec
PDF  171 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS65950 Datasheet(HTML) 49 Page - Texas Instruments

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TPS65950
www.ti.com
SWCS032E – OCTOBER 2008 – REVISED JANUARY 2011
4.1.9
VSIM LDO Regulator
The VSIM voltage regulator is a programmable, low-dropout, linear voltage regulator that supplies the
subscriber identity module (SIM)-card and the SIM-card driver. This LDO regulator can be turned off
automatically when SIM card extraction is detected. Table 4-11 lists the characteristics of the regulator.
Table 4-11. VSIM LDO Regulator Characteristics
Parameter
Test Conditions
Min
Typ
Max
Unit
Output Load Conditions
Filtering capacitor
Connected from VSIM.OUT to analog ground
0.3
1
2.7
μF
Filtering capacitor ESR
20
600
m
Ω
Electrical Characteristics
VIN
Input voltage
2.7
3.6
4.5
V
0.97
1.0
1.03
1.164
1.2
1.236
1.261
1.3
1.339
VOUT
Output voltage
On mode and low-power mode
V
1.746
1.8
1.854
2.716
2.8
2.884
2.91
3.0
3.09
On mode
50
IOUT
Rated output current
mA
Low-power mode
1
dc load regulation
On mode: 0 < IO < IMax
20
mV
dc line regulation
On mode, VIN = VINmin to VINmax at IOUT = IOUTmax
3
mV
Turn-on time
IOUT = 0, CL = 1 μF (within 10% of VOUT)
100
μs
Wake-up time
Full load capability
10
μs
f < 10 kHz
50
10 kHz < f < 100 kHz
40
Ripple rejection
dB
f = 1 MHz
30
VIN = VOUT + 1 V, IO = IMax
On mode, IOUT = 0
70
On mode, IOUT = IOUTmax
120
Ground current
Low-power mode, IOUT = 0
15
μA
Low-power mode, IOUT = 1 mA
16
Off mode at 55°C
1
VDO
Dropout voltage
On mode, IOUT = IOUTmax
250
mV
ILoad: IMin – IMax
Transient load regulation
–40
40
mV
Slew: 40 mA/
μs
VIN drops 500 mV
Transient line regulation
10
mV
Slew: 40 mV/
μs
Copyright © 2008–2011, Texas Instruments Incorporated
Power Module
49
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Product Folder Link(s): TPS65950



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