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TPS65161A

更新时间： 2024-09-28 07:04:51
品牌 Logo 应用领域
德州仪器 - TI 显示器电视监视器
页数 文件大小 规格书
31页 810K
描述
BIAS POWER SUPPLY FOR TV AND MONITOR TFT LCD PANELS

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TPS65161A 数据手册

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TPS65161  
TPS65161A, TPS65161B  
www.ti.com .................................................................................................................................................... SLVS617C–APRIL 2006–REVISED OCTOBER 2008  
BIAS POWER SUPPLY FOR TV AND MONITOR TFT LCD PANELS  
1
FEATURES  
•
•
•
•
•
Internal and Adjustable Soft Start  
Short-Circuit Protection  
2
•
8-V to 14.7-V Input Voltage Range  
•
•
•
•
VS Output Voltage Range up to 19 V  
TPS65161 has a 2.8-A Switch Current Limit  
TPS65161A has a 3.7-A Switch Current Limit  
Overvoltage Protection  
Thermal Shutdown  
Available in HTSSOP-28 Package  
TPS65161B has a 3.7-A Switch Current Limit  
and 100-mA Charge Pump Output Current  
APPLICATIONS  
•
TFT LCD Displays for Monitor and LCD TV  
•
•
•
•
•
•
1.5% Accurate 2.3-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  
Gate Drive Signal to Drive External MOSFET  
DESCRIPTION  
The TPS65161 family offers a compact power supply solution to provide all four voltages required by thin-film  
transistor (TFT) LCD panels. With their high current capabilities, the devices are ideal for large screen monitor  
panels and LCD TV applications.  
TYPICAL APPLICATION  
V
D1  
SL22  
L1  
10 μH  
S
18 V/1.3 A  
V
IN  
12 V  
C1  
2 * 22 μF  
C4  
22 pF  
R1  
825 kΩ  
TPS65161  
C2  
3 * 22 μF  
C3  
1 μF  
4
8
12  
20  
21  
22  
SW  
SW  
FB  
SUP  
5
FREQ  
VINB  
VINB  
1
R2  
56 kΩ  
C15  
470 nF  
3
OS  
GND  
GD  
D4  
23  
27  
AVIN  
EN1  
EN2  
DRN  
FBN  
C16  
1 μF  
16  
9
GD  
V
D5  
GL  
−5 V/50 mA  
V
C6  
0.47 μF  
C5 0.47 μF  
GH  
32 V/50 mA  
10  
14  
17  
18  
19  
15  
DRP  
FBP  
D2  
11  
13  
24  
6
R5  
560 kΩ  
C13  
0.47 μF  
BOOT  
D3  
SWB  
NC  
FBB  
REF  
R3  
620 kΩ  
C7  
0.47 μF  
PGND  
PGND  
7
R6  
22 kΩ  
28  
25  
2
COMP  
DLY2  
SS  
DLY1  
Cb  
100 nF  
26  
R4  
150 kΩ  
V
(LOGIC)  
L2  
15 μH  
C17  
22 nF  
3.3 V/2.3 A  
C11  
10 nF  
C9  
22 nF  
C10  
10 nF  
C8  
220 nF  
D6  
SL22  
C14  
10 nF  
C12  
2 * 22 μF  
R7  
2 kΩ  
R8  
1.2 kΩ  
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
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 © 2006–2008, Texas Instruments Incorporated  
1234567...31

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TPS65161A 替代型号

型号 品牌 替代类型 描述 数据表
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