Gate Driver

Anti

Shoot-Through

Power Save Mode

Feedback Divider

+

-

Frequency

Control

R1

R2

L

GND

Soft-Start

EN

VIN

Current Limit

Detect

Undervoltage

Lockout

Bias Supply

Bandgap

Thermal

Shutdown

Negative Inductor

Current Detect

VIN

MODE

V

= 0.8 V

REF

V

REF

C

I

1µH

C

4.7µF

O

Switching

VOUT

DC/DC CONVERTER

4.7µF

SIP-8

(TOP VIEW)

SIP-8

(BOTTOMVIEW)

A1

B1

C1

A2

B2

C2

GND

MODE

VOUT

GND

A3

C3

VIN

EN

A3

C3

A2

B2

C2

GND

EN

VIN

GND

C1

VOUT

MODE

A1

B1

TPS82692 , TPS82693, TPS82694, TPS826951

TPS82697, TPS82698, TPS82699

www.ti.com

SLVSBF8A – MARCH 2013 – REVISED JULY 2013

PIN ASSIGNMENTS TPS8269X

PIN FUNCTIONS

TERMINAL

I/O

DESCRIPTION

NAME

NO.

VOUT

A1

O

Power output pin. Apply output load between this pin and GND.

VIN

A2, A3

I

The VIN pins supply current to the TPS8269xSIP's internal regulator.

This is the enable pin of the device. Connecting this pin to ground forces the converter into

EN

B2

I

must be terminated.

This is the mode selection pin of the device. This pin must not be left floating and must be

terminated.

MODE = LOW: The device is operating in regulated frequency pulse width modulation mode

MODE

B1

I

(PWM) at high-load currents and in pulse frequency modulation mode (PFM) at light load

currents.

MODE = HIGH: Low-noise mode enabled, regulated frequency PWM operation forced.

GND

C1, C2, C3

–

Ground pin.

FUNCTIONAL BLOCK DIAGRAM

Copyright © 2013, Texas Instruments Incorporated

7

Product Folder Links: TPS82692 TPS82693 TPS82694 TPS826951 TPS82697 TPS82698 TPS82699