Datasheet

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SLVS373 − AUGUST 2001
7
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TPS2148 functional block diagram
3.3 V / 200 mA
LDO
CS
Driver
Charge
Pump
Current
Limit
Thermal
Sense
CS
Driver
Thermal
Sense
Current
Limit
LDO_OUT
OUT2
OUT1
VIN/SWIN1
LDO_EN
EN2
EN2
GND
Terminal Functions
TERMINAL
NAME
NO.
I/O DESCRIPTION
NAME
TPS2148 TPS2158
I/O
DESCRIPTION
EN1 8
I Logic level enable to transfer power to OUT1
EN1 8
I
Logic level enable to transfer power to OUT1
EN2 7
I Logic level enable to transfer power to OUT2
EN2 7
I
Logic level enable to transfer power to OUT2
GND 5 5 Ground
LDO_EN 6 6 I Logic level LDO enable. Active high.
LDO_OUT 3 3 O LDO output
OUT1 1 1
O
Switch 1 output
OUT2 4 4
O
Switch 2 output
VIN/SWIN1 2 2 I Input for LDO and switch 1; device supply voltage