Gate Driver

Anti

Shoot-Through

Current

Limit Comparator

SW

Softstart

Bandgap

Undervoltage

Lockout

Limit

High Side

Limit

Low Side

VOUT

ON/BYP

VIN

GND

Min. On Time

Min. OFF Time

VIN

ON/BYP

Integrated

Feed Back

Network

VREF

FB

Error

Comparator

Zero/Negative

Current Limit Comparator

Control

Logic

PMOS

NMOS

VREF

0.70 V

VOUT

/BYPASS

V

IT BYP

V

IN

/BYPASS

V

TSTAT

+

-

+

-

STAT

Automatic

Bypass

Transition

ON/BYP

TPS62732, TPS62733

TPS62730

www.ti.com

SLVSAC3C – MAY 2011 – REVISED DECEMBER 2012

PIN FUNCTIONS (continued)

PIN

I/O

DESCRIPTION

NAME

NO

STAT

1

OUT

This is the open drain status output with active low level. An internal comparator drives this output. The pin

is high impedance with ON/BYP = low. With ON/BYP set to high the device and the internal VOUT

comparator becomes active. The active low STAT pin indicates if the DC/DC regulator is settled and the

FUNCTIONAL BLOCK DIAGRAM

Copyright © 2011–2012, Texas Instruments Incorporated

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