TPS72325

OUT

IN

EN

Current Limit

/Thermal

Protection

NR

V

REF

1.186 V

5 pF

R1

R1 + R2 = 97 kW

R2

100 kW

GND

TPS72301-Q1

TPS72325-Q1

SLVSAJ4B – SEPTEMBER 2010 – REVISED SEPTEMBER 2012

www.ti.com

FUNCTIONAL BLOCK DIAGRAM

TERMINAL FUNCTIONS

TERMINAL

NAME

NO.

DESCRIPTION

GND

1

Ground

IN

2

Input supply

Bipolar enable pin. Driving this pin above the positive enable threshold or below the negative enable

EN

3

threshold turns on the regulator. Driving this pin below the positive disable threshold and above the

negative disable threshold puts the regulator into shutdown mode.

Fixed-voltage versions only. Connecting an external capacitor between this pin and ground bypasses

NR

4

noise generated by the internal band gap. This configuration allows output noise to be reduced to very

low levels.

Regulated output voltage. The device requires the connection of a small 2.2-

μF ceramic capacitor from

OUT

5

this pin to GND to ensure stability.

4

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Product Folder Links: TPS72301-Q1 TPS72325-Q1