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FEATURES

APPLICATIONS

DESCRIPTION

TYPICAL APPLICATION

COMP

VINB

FREQ

EN1

EN2

DRN

FBN

REF

PGND

PGND

SW

SW

AVIN

FB

GND

OS

DRP

FBP

Boot

SWB

NC

DLY1

TPS65160

SS

VINB

GD

FBB

DLY2

SUP

12 V

C1

2*22 mF

C3

1 mF

C16

1 mF

C6

0.47 mF

D2

D3

VGL

−5 V/50 mA

R3

620 kW

R4

150 kW

C8

220 nF

C7

470 mF

C9

22 nF

C10

10 nF

C11

10 nF

C17

22 nF

R8

1.2 kW

R7

2 kW

D6

SL22

L2

15 mH

Cb

100 nF

R6

56 kW

C14

10 nF

C12

2*22 mF

3.3 V/1.5 A

C13

0.47 mF

R5

1 MW

VGH

23 V/50 mA

D5

D4

GD

0.47 mF

C5

C15

470 nF

R2

56 kW

R1

680 kW

C2

3* 22 mF

C4

22 pF

D1

SL22

L1

10 mH

15 V/1.5 A

8

12

20

21

22

16

9

11

13

24

6

7

28

25

4

5

1

3

23

27

10

14

17

18

19

15

2

26

TPS65160, TPS65160A

SLVS566B – MARCH 2005 – REVISED JULY 2005

BIAS POWER SUPPLY FOR TV AND MONITOR TFT LCD PANELS

•

Gate Drive Signal to Drive External MOSFET

•

8-V to 14-V Input Voltage Range

•

Internal and Adjustable Soft Start

•

•

Short-Circuit Protection

•

1% Accurate Boost Converter With 2.8-A

•

23-V (TPS65160) Overvoltage Protection

Switch Current

•

19.5-V (TPS65160A) Overvoltage Protection

•

1.5% accurate 1.8-A Step-Down Converter

•

Thermal Shutdown

•

500-kHz/750-kHz Fixed Switching Frequency

•

Available in TSSOP-28 Package

•

Negative Charge Pump Driver for VGL

•

Positive Charge Pump Driver for VGH

•

TFT LCD Displays for Monitor and LCD TV

•

Adjustable Sequencing for VGL, VGH

The TPS65160 offers a compact power supply solution to provide all four voltages required by thin-film transistor

(TFT) LCD panel. With its high current capabilities, the device is ideal for large screen monitor panels and LCD

TV applications.

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.

PowerPAD is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2005, 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.