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TPS65130

更新时间： 2024-11-15 22:52:55
品牌 Logo 应用领域
德州仪器 - TI 转换器输出元件DC-DC转换器
页数 文件大小 规格书
29页 533K
描述
POSITIVE AND NEGATIVE OUTPUT DC-DC CONVERTER

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中文翻译

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TPS65130 数据手册

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TPS65130, TPS65131  
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www.ti.com  
SLVS493B–MARCH 2004–REVISED SEPTEMBER 2004  
POSITIVE AND NEGATIVE OUTPUT DC-DC CONVERTER  
FEATURES  
APPLICATIONS  
•
•
•
•
•
Small to Medium Size OLED Displays  
(TFT) LCD and CCD Bias Supply  
PDAs, Pocket PCs, Smartphones  
Digital Cameras  
•
•
•
•
•
•
•
•
Dual Adjustable Output Voltages Up to +15 V  
and Down to –15 V  
800-mA Typical Switch Current Limit at Boost  
and Inverter Main Switches at TPS65130  
Camcorders  
2-A Typical Switch Current Limit at Boost and  
Inverter Main Switches at TPS65131  
DESCRIPTION  
Up to 89% Efficiency at Positive Output  
Voltage Rail  
The TPS65130/1 is dual-output dc-dc converter gen-  
erating a positive output voltage up to 15 V and a  
negative output voltage down to -15 V with output  
currents in a 200-mA range in typical applications,  
depending on input voltage to output voltage ratio.  
With a total efficiency up to 85%, the device is ideal  
for portable battery-powered equipment. The input  
Up to 81% Efficiency at Negative Output  
Voltage Rail  
Power-Save Mode for High Efficiency at Low  
Load Currents  
Independent Enable Inputs for Power Up and  
Power Down Sequencing  
voltage range of 2.7  
V to 5.5 V allows the  
TPS65130/1 to be directly powered from a Li-ion  
battery, from 3 cells NiMH/NiCd or alkaline batteries.  
The TPS65130/1 comes in a small 4 mm x 4 mm  
QFN-24 package. Together with a minimum switching  
frequency of 1.25 MHz it enables designing small  
power supply applications because it requires only a  
few small external components.  
Control Output for External PFET to Support  
Completely Disconnecting the Battery  
•
•
2.7-V to 5.5-V Input Voltage Range  
Minimum 1.25-MHz Fixed Frequency PWM  
Operation  
•
•
•
•
Thermal Shutdown  
Overvoltage Protection on Both Outputs  
1-µA Shutdown Current  
Small 4 mm x 4 mm QFN-24 Package (RGE)  
Q1  
L1  
D1  
V
POS  
4.7 mH  
R1  
R2  
C4  
22 mF  
U1  
C1  
4.7 mF  
INP  
VPOS  
FBP  
BSW  
INN  
C8  
0.22 mF  
R4  
VREF  
FBN  
R3  
R7  
VIN  
C2  
4.7 mF  
ENP  
PSP  
ENN  
PSN  
GND  
VNEG  
OUTN  
CP  
V
NEG  
C3  
0.1 mF  
D2  
L2  
4.7 mH  
C5  
22 mF  
CN  
C6  
C7  
PGND  
TPS65130  
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 © 2004, Texas Instruments Incorporated  
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TPS65130 替代型号

型号 品牌 替代类型 描述 数据表
TPS65131-Q1 TI

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