PRODUCTPREVIEW
SWCS046C – MARCH 2010 – REVISED JUNE 2010
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VAUX33 AND VMCC LDO
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOUT (VAUX33) = 1.8 V / 2 V and VOUT (VMMC) =
Input voltage (VCC3) VIN
2.7
5.5
1.8 V
VOUT (VAUX33) = 2.8 V
3.2
5.5
VOUT (VAUX33) = 3.3 V
3.6
5.5
V
VOUT (VMMC) = 2.8 V @ 200 mA
3.2
5.5
VOUT (VMMC) = 3.0 V
3.6
5.5
VOUT (VMMC) = 3.3 V @ 200 mA
3.6
5.5
VAUX33
DC output voltage VOUT
On and low-power mode, VIN = VINmin to VINmax
SEL = 11, IOUT = 0 to IOUTmax, Default BOOT[1:0] =
–3%
3.3
+3%
01
SEL = 10, IOUT = 0 to IOUTmax
–3%
2.8
+3%
V
SEL = 01, IOUT = 0 to IOUTmax
–3%
2.0
+3%
SEL = 00, IOUT = 0 to IOUTmax, default BOOT[1:0] =
–3%
1.8
+3%
00
Rated output current IOUTmax
On mode
150
mA
Low-power mode
1
On mode,
VOUTtyp =
Load current limitation
On mode, VOUT = VOUTmin – 100 mV
350
500
2.8 V, VDO
mA
(short-circuit protection)
= VIN -
VOUT,
Dropout Voltage VDO
On mode, VOUTtyp = 2.8 V, VDO = VIN – VOUT,
VIN = 2.9 V, IOUT = IOUTmax, T = 25°C
150
mV
DC load regulation
On mode, IOUT = IOUTmax to 0
15
mV
DC line regulation
On mode, IOUT = IOUTmax
1
mV
Transient load regulation
On mode, VIN = 3.8 V
12
mV
IOUT = 0.1 × IOUTmax to 0.9 × IOUTmax in 5 s and
IOUT = 0.9 × IOUTmax to 0.1 × IOUTmax in 5 s
On mode, IOUT = IOUTmax,VIN = VINmin + 0.5 V to
Transient line regulation
0.5
mV
VINmin in 30 s
and VIN = VINmin to VINmin + 0.5 V in 30 s, IOUT =
IOUTmax/2
Turn-on time
IOUT = 0, @ VOUT = 0.1 V up to VOUTmin
100
s
Turn-on inrush current
600
mA
VIN = VINDC + 100 mVpp tone, VINDC+ = 3.8 V, IOUT
Ripple Rejection
= IOUTmax/2
f = 217 Hz
70
dB
f = 50 kHz
40
VAUX33 internal resistance
LDO off
60
Ω
Ground current
On mode, IOUT = 0
55
On mode, IOUT = IOUTmax
1600
A
f = 217 Hz
15
f = 50 kHz
1
VMCC
On and low-power mode, VIN = VINmin to VINmax
22
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