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TPS65160 Datasheet

  • TPS65160

  • 用于 TV 和监视器 TFT LCD 面板的偏置电源

  • 773.68KB

  • 28页

  • TI

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TPS65160
www.ti.com
SLVS566A 鈥?MARCH 2005 鈥?REVISED MAY 2005
BIAS POWER SUPPLY FOR TV AND MONITOR TFT LCD PANELS
FEATURES
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8-V to 14-V Input Voltage Range
V
S
Output Voltage Range up to 20 V
1% Accurate Boost Converter With 2.8-A
Switch Current
1.5% accurate 1.8-A Step-Down Converter
500 kHz/750 kHz Fixed Switching Frequency
Negative Charge Pump Driver for VGL
Positive Charge Pump Driver for VGH
Adjustable Sequencing for VGL, VGH
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Gate Drive Signal to Drive External MOSFET
Internal and Adjustable Soft Start
Short Circuit Protection
Overvoltage protection
Thermal Shutdown
Available in TSSOP-28 Package
APPLICATIONS
TFT LCD Displays for Monitor and LCD TV
DESCRIPTION
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. The device can be powered directly from a 12-V input voltage generating the bias voltages VGH
and VGL, as well as the source voltage V
S
and logic voltage for the LCD panels.
TYPICAL APPLICATION
L1
10 mH
D1
SL22
Vs
15 V/1.5 A
Vin
12 V
C1
2*22 mF
C3
1 mF
TPS65160
8
12
20
21
22
SUP
FREQ
VINB
VINB
AVIN
EN1
EN2
DRN
FBN
REF
PGND
PGND
SS
DLY1
SW
SW
FB
OS
GND
GD
4
5
1
3
23
27
GD
C4
22 pF
R1
680 kW
C2
3* 22 mF
C15
470 nF
R2
56 kW
D4
VGH
23 V/50 mA
VGL
鈭? V/50 mA
C16
1 mF
D2
C6
0.47 mF
16
9
11
13
24
6
7
28
25
D5
C5
0.47 mF
R5
1 MW
D3
C7
470 mF
R4
150 kW
R3
620 kW
10
DRP
14
FBP
17
Boot
18
SWB
19
NC
15
FBB
2
COMP
DLY2 26
C13
0.47 mF
Cb
100 nF
C17
22 nF
L2
15 mH
D6
SL22
R6
56 kW
Vlogic
3.3 V/1.5 A
C8
220 nF
C9
22 nF
C10
10 nF
C11
10 nF
R7
2 kW
C14
10 nF
C12
2*22 mF
R8
1.2 kW
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.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 漏 2005, Texas Instruments Incorporated

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