TPS65910, TPS65910A, TPS65910A3, TPS659101, TPS659102, TPS659103
TPS659104, TPS659105, TPS659106, TPS659107, TPS659108, TPS659109
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SWCS046N –MARCH 2010–REVISED APRIL 2012
VAUX1 AND VAUX2 LDO (continued)
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
500
150
MAX
UNIT
mA
Load current limitation (short-
circuit protection)
On mode, VOUT = VOUTmin – 100 mV
350
Dropout voltage VDO
On mode, VOUTtyp = 2.8 V, VDO = VIN – VOUT
VIN = 2.9 V, IOUT = IOUTmax, T = 25°C
On mode, IOUT = IOUTmax to 0
mV
DC load regulation
DC line regulation
15
2
mV
mV
On mode, VIN = VINmin to VINmax @ IOUT = IOUTmax
On mode, VIN = 3.8 V, IOUT = 0.1 × IOUTmax to 0.9 ×
IOUTmax in 5µs
Transient load regulation
12
2
mV
And IOUT = 0.9 × IOUTmax to 0.1 × IOUTmax in 5us
On mode, IOUT = IOUTmax, VIN = VINmin + 0.5 V to
VINmin in 30 µs
Transient line regulation
mV
And VIN= VINmin to VINmin + 0.5 V in 30 µs, IOUT
IOUTmax/2
=
Turn-on time
IOUT = 0, @ VOUT = 0.1 V up to VOUTmin
100
600
µs
Turn-on Inrush current
mA
VIN = VINDC + 100 mVpp tone, VINDC+ = 3.8 V, IOUT
IOUTmax/2
=
Ripple rejection
f = 217 Hz
70
40
dB
f = 50 kHz
VAUX2 internal resistance
Ground current
LDO off
80
Ω
On mode, IOUT = 0
On mode, IOUT = IOUTmax
Low-power mode
Off mode
60
1600
12
µA
1
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