SW

EN

PG

VIN

VOUT

FB

ILIM

GND

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

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.

4

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