Datasheet

SW
EN
PG
VIN
VOUT
FB
ILIM
GND
Exposed
Thermal Pad
2
3
4
1
7
6
5
8
TPS61251
SLVSAF7 –SEPTEMBER 2010 www.ti.com
DEVICE INFORMATION
PIN ASSIGNMENTS
TERMINAL FUNCTIONS
TERMINAL
I/O DESCRIPTION
NAME NO.
EN 6 I Enable input. (1 enabled, 0 disabled)
FB 3 I Voltage feedback pin
GND 1 Ground
ILIM 4 I Adjustable average input current limit. Can be connected to V
IN
for maximum current limit or to GND
for minimum current limit.
PG 5 O Output power good (1 good, 0 failure; open drain)
SW 7 I Connection for Inductor
VIN 8 I Supply voltage for power stage
VOUT 2 O Boost converter output
Exposed Must be soldered to achieve appropriate power dissipation and for mechanical reasons. Must be
Thermal Pad connected to GND.
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