TPS53624

www.ti.com

SLUSB66 – MARCH 2013

Dual Phase, D-CAP+™, Eco-mode™ Step-Down Controller with 8-Bit DAC

Check for Samples: TPS53624

1

FEATURES

DESCRIPTION

The TPS53624 is a dual-phase step down controller

2

•

Selectable Dual-or Single-Phase

with integrated gate drivers. The PCNT pin enables

•

Minimum External Parts Count

operation in dual or single-phase mode to optimize

•

8-Bit DAC Supports Wide Range of

efficiency

depending

on

the

load

requirements.

Applications

Advanced

control

features

such

as

D-CAP+™

architecture

and

OSR

provides

fast

transient

•

Optimized Efficiency at Light and Heavy Loads

response with low output capacitance. The DAC

•

Patented Output Overshoot Reduction (OSR)

supports VID-on-the-fly to optimize the output voltage

Reduces Output Capacitance

to the operating state of the system to reduce

•

Accurate, Adjustable Voltage Positioning

quiescent

power.

The

auto-skip

feature

of

the

TPS53624 optimizes light-load efficiency in single

•

Selectable 200, 300, 400 and 500 kHz

phase

operation.

System

management

features

Frequency

include adjustable thermal monitor input and output

•

Pat. Pending AutoBalance Phase Balancing

(THRM, THAL), output current monitoring (IMON),

•

Selectable 8-Level Current Limit

and complimentary power good signals (PG and

PGD). Adjustable control of the output voltage slew

•

3-V to 28-V Conversion Voltage Range

rate and voltage positioning are provided. In addition,

•

Fast MOSFET Driver with Integrated Boost

the TPS53624 includes two high-current FET gate

Diode

drivers to drive high and low side N-channel FETs

with exceptionally high speed and low switching loss.

•

Integrated Overvoltage Protection (OVP)

All logic input and output pins have flexible LV input

•

Small 6 × 6, 40-Pin QFN PowerPAD™ Package

and output thresholds that enable interface with logic

voltages from 1 V to 3.6 V.

APPLICATIONS

The TPS53624 is packaged in a space saving,

•

High-Current, Low-Voltage ASIC or

thermally enhanced, RoHS compliant 40-pin QFN

Microprocessor Core Regulator

and is rated to operate from –10°C to 105°C.

XXX

DEVICE

OUTPUT

MINIMUM

PACKAGE

PINS

NUMBER

SUPPLY

QUANTITY

TPS53624RHAT

250

–10°C to 105°C

Plastic Quad Flat Pack (QFN)

40

Tape-and-reel

TPS53624RHAR

2500

(1)

For the most current package and ordering information, see the packaging information at the end of this document, or see the TI website

at www.ti.com.

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

D-CAP+, Eco-mode, PowerPAD are trademarks of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.