TPS51363

UDG-12205

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

NU

PGOOD

BST

REFIN2

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

TPS51363

www.ti.com

SLUSBB5A – FEBRUARY 2013 – REVISED JUNE 2013

22-V Input, 8-A or 10-A Converter

With Integrated FET

Check for Samples: TPS51363

1

FEATURES

DESCRIPTION

The TPS51363 is a high-voltage input, synchronous

2

•

Input Voltage Range: 3 V to 22 V

converter with integrated FET, based on D-CAP2™

•

Output Voltage Range: 0.6 V to 2 V

control

topology,

which

enables

fast

transient

•

8-A or 10-A Integrated FET Converter

response and supports both POSCAP and all MLCC

(see Table 1)

output capacitors. TI proprietary FET technology

combined with TI leading-edge package technology

•

Fewest External Components

provides the highest density solution for single-output

•

Soft-Start Time Programmable by External

power rail such as VCCIO and VDDQ for DDR

Capacitor

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

•

Switching Frequency: 400 kHz and 800 kHz

application.

•

D-CAP2™ Architecture to Enable POSCAP and

The feature set includes switching frequency of 400

All MLCC Output Capacitor Usage

kHz and 800 kHz. Programmable soft-start time with

an external capacitor. auto skip, pre-bias startup,

•

Integrated and Temperature Compensated

integrated bootstrap switch, power good, enable and

Low-Side On-Resistance Sensing for Accurate

a full suite of fault protection schemes, including

OCL Protection

OCL, UVP, OVP, 5-V UVLO and thermal shutdown.

•

Powergood Output

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

OCL, OVP, UVP and UVLO Protections

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

•

Thermal Shutdown (non-latch)

•

Output Discharge Function

Table 1. Current Ratings

•

Integrated Boost MOSFET Switch

FREQUENCY SETTING

•

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

800 kHz

8 A

with 0.4-mm Pitch and 1-mm Height

400 kHz

10 A

APPLICATIONS

•

Notebook Computers (VCCIO)

•

Memory Rails (DDR VDDQ)

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

D-CAP2 is a trademark 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.