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參數資料
| 型號： | TPS65131RGE |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | POSITIVE AND NEGATIVE OUTPUT DC-DC CONVERTER |
| 中文描述： | 正負輸出電壓的DC - DC轉換器 |
| 文件頁數： | 1/29頁 |
| 文件大小： | 550K |
| 代理商： | TPS65131RGE |
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www.ti.com
FEATURES
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
2-A Typical Switch Current Limit at Boost and
Inverter Main Switches at TPS65131
Up to 89% Efficiency at Positive Output
Voltage Rail
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
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)
APPLICATIONS
Small to Medium Size OLED Displays
(TFT) LCD and CCD Bias Supply
PDAs, Pocket PCs, Smartphones
Digital Cameras
Camcorders
DESCRIPTION
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
voltage
range
of
2.7
V
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.
V
POS
V
NEG
Q1
L1
D1
C1
4.7 F
U1
C2
4.7 F
C3
0.1 F
VPOS
FBP
VREF
FBN
VNEG
OUTN
CP
CN
PGND
INP
BSW
INN
VIN
ENP
PSP
ENN
PSN
GND
TPS65130
R1
R2
C4
22 F
R4
R3
D2
C8
0.22 F
L2
4.7 H
C5
22 F
C7
C6
R7
4.7 H
TPS65130, TPS65131
SLVS493B–MARCH 2004–REVISED SEPTEMBER 2004
POSITIVE AND NEGATIVE OUTPUT DC-DC CONVERTER
to
5.5
V
allows
the
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS65131RGER | 功能描述:DC/DC 開關控制器 Adj Dl Otp Switch Boost DC/DC RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TPS65131RGERG4 | 功能描述:DC/DC 開關控制器 Adj Dl Otp Switch Boost DC/DC RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TPS65131RGET | 功能描述:DC/DC 開關控制器 Adj Dl Otp Switch Boost DC/DC RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TPS65131RGET | 制造商:Texas Instruments 功能描述:IC CONV DC/DC POS/NEG 24-QFN |
| TPS65131RGET | 制造商:Texas Instruments 功能描述:DC/DC CONVERTER IC ((NW)) 制造商:Texas Instruments 功能描述:IC, DC/DC CONVERTER, VQFN-24 |
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