PG

Bandgap

Reference

V

=1.235V

REF

R

1

Current

Sense

I

LIM

R

2

V

IN

V

IN

V

OUT

GND

TPS797xx

SLVS332I – MARCH 2001 – REVISED OCTOBER 2013

www.ti.com

FUNCTIONAL BLOCK DIAGRAM

Table 1. TERMINAL FUNCTIONS

TERMINAL

DESCRIPTION

NAME

NO.

GND

2

Ground

NC

3

No connection

OUT

5

The OUT terminal provides the regulated output voltage of the device.

The PG terminal for the fixed voltage option devices is an open drain, active-high output that indicates

PG

1

approximately 90% (that is, overload condition) of the regulated voltage. The open drain output of the

PG terminal requires a pull-up resistor.

IN

4

The IN terminal is the power supply input to the device.

4

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