TPS51362

UDG-13052

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

PGND

PGND

PGND

PGND

PGND

SW

SW

SW

SW

NC

MODE

LP#

LP#

PGOOD

BST

REFIN 2

REFIN

VREF

NU

EN

VIN

VIN

VIN

V5

TRIP

SLEW

VSNS

GSNS

GND

EN

PGOOD

GSNS

VSNS

1.05 V

7.4 V

to

20 V

TPS51362

www.ti.com

SLUSBB6A – FEBRUARY 2013 – REVISED JUNE 2013

22-V Input, 10-A Integrated FET Converter

With Ultra-Low Quiescent ( ULQ™)

Check for Samples: TPS51362

1

FEATURES

APPLICATIONS

2

•

Input Voltage Range: 3 V to 22 V

•

Notebook Computers (VCCIO)

•

Output Voltage Range: 0.6 V to 2 V

•

Memory Rails (DDR VDDQ)

•

10-A Integrated FET Converter

DESCRIPTION

•

Fewest External Components

The TPS51362 is a high-voltage input, synchronous

•

ULQ™-100 Mode of Operation to Enable Long

converter with integrated FET, based on DCAP-2™

Battery Life During System Standby

control

topology,

which

enables

fast

transient

•

Soft-Start Time Programmable by External

response and supports both POSCAP and all MLCC

output capacitors. TI proprietary FET technology

Capacitor

combined with TI leading-edge package technology

•

Switching Frequency: 800 kHz

provides the highest density solution for single-output

•

D-CAP2™ Architecture to Enable POSCAP and

power rail such as VCCIO and VDDQ for DDR

All MLCC Output Capacitor Usage

notebook memory, or any point-of-load (POL) in wide

application.

•

Integrated and Temperature Compensated

Low-Side On-Resistance Sensing for Accurate

The key feature of the TPS51362 is its ULQ™ Mode

OCL Protection

to enable low-bias current (100 µA in low power

•

Powergood Output

mode, enabled by LP#). This feature is extremely

beneficial for long battery life in system standby

OCL, OVP, UVP and UVLO Protections

mode.

•

Thermal Shutdown (non-latch)

The feature set includes switching frequency of 800

•

Output Discharge Function

kHz. Programmable soft-start time with an external

•

Integrated Boost MOSFET Switch

capacitor. auto skip, pre-bias startup, integrated

•

28-Pin, 3.5-mm × 4.5-mm, RVE, QFN Package

bootstrap switch, power good, enable and a full suite

with 0.4-mm Pitch and 1-mm Height

of fault protection schemes, including OCL, UVP,

OVP, 5-V UVLO and thermal shutdown.

It is packaged in 3.5 mm × 4.5 mm, 0.4-mm pitch, 28-

pin QFN (RVE), and specified from -10°C to 85°C.

SIMPLIFIED APPLICATION

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

ULQ, DCAP-2 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.