_

+

Thermal

Shutdown

Current

Sense

GND

EN

SHUTDOWN

UVLO

ILIM

Bandgap

Reference

1.225 V

UVLO

250 k

Ω

NR

Quickstart

IN

OUT

_

+

Thermal

Shutdown

Bandgap

Reference

1.225 V

Current

Sense

GND

EN

SHUTDOWN

UVLO

ILIM

External to

the Device

FB

UVLO

250 k

Ω

Quickstart

IN

OUT

TPS796

www.ti.com

SLVS351O – SEPTEMBER 2002 – REVISED NOVEMBER 2013

FUNCTIONAL BLOCK DIAGRAM—ADJUSTABLE VERSION

FUNCTIONAL BLOCK DIAGRAM—FIXED VERSION

Table 1. Terminal Functions

TERMINAL

SOT223

(DCQ)

DDPAK

SON

NAME

(KTT)

(DRB)

DESCRIPTION

Connecting an external capacitor to this pin bypasses noise generated by the internal

NR

5

5

bandgap. This improves power-supply rejection and reduces output noise.

FB

5

5

This terminal is the feedback input voltage for the adjustable device.

EN

1

8

Driving the enable pin (EN) high turns on the regulator. Driving this pin low puts the regulator

into shutdown mode. EN can be connected to IN if not used.

GND

3, Tab

6, PowerPAD Regulator ground

IN

2

1, 2

Unregulated input to the device.

OUT

4

3, 4

Output of the regulator.

Copyright © 2002–2013, Texas Instruments Incorporated

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