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TPS60403-Q1 PDF预览

TPS60403-Q1

更新时间： 2024-11-21 11:06:35
品牌 Logo 应用领域
德州仪器 - TI 开关控制器泵开关式稳压器开关式控制器电源电路开关式稳压器或控制器
页数 文件大小 规格书
25页 577K
描述
具有 250kHz 固定频率的汽车类非稳压 60mA 电荷泵电压逆变器

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中文翻译

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TPS60403-Q1 数据手册

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SGLS246 − JUNE 2004  
D
Small 5-Pin SOT23 Package  
features  
D
Evaluation Module Available  
TPS60400EVM−178  
D
Qualification in Accordance With  
AEC-Q100  
†
D
Qualified for Automotive Applications  
applications  
D
Customer-Specific Configuration Control  
Can Be Supported Along With  
Major-Change Approval  
D
LCD Bias  
GaAs Bias for RF Power Amps  
D
D
D
D
D
D
Inverts Input Supply Voltage  
Up to 60-mA Output Current  
Sensor Supply in Portable Instruments  
Bipolar Amplifier Supply  
Only Three Small 1-µF Ceramic Capacitors  
Needed  
DBV PACKAGE  
(TOP VIEW)  
D
Input Voltage Range From 1.6 V to 5.5 V  
D
PowerSave-Mode for Improved Efficiency  
at Low Output Currents (TPS60400)  
1
2
3
5
C
FLY+  
OUT  
IN  
D
D
Device Quiescent Current Typical 100 µA  
Integrated Active Schottky-Diode for  
Start-Up Into Load  
4
GND  
C
FLY−  
†
Contact Texas Instruments for details. Q100 qualification data  
available on request.  
description  
The TPS6040x is a family of devices that generate an unregulated negative output voltage from an input voltage  
ranging from 1.6 V to 5.5 V. The devices are typically supplied by a preregulated supply rail of 5 V or 3.3 V. Due  
to its wide input voltage range, two or three NiCd, NiMH, or alkaline battery cells, as well as one Li-Ion cell can  
also power them.  
Only three external 1-µF capacitors are required to build a complete dc/dc charge pump inverter. Assembled  
2
in a 5-pin SOT23 package, the complete converter can be built on a 50-mm board area. Additional board area  
and component count reduction is achieved by replacing the Schottky diode that is typically needed for start-up  
into load by integrated circuitry.  
The TPS6040x can deliver a maximum output current of 60 mA with a typical conversion efficiency of greater  
than 90% over a wide output current range. Three device options with 20-kHz, 50-kHz, and 250-kHz fixed  
frequency operation are available. One device comes with a variable switching frequency to reduce operating  
current in applications with a wide load range and enables the design with low-value capacitors.  
AVAILABLE OPTIONS  
MARKING DBV  
PACKAGE  
TYPICAL FLYING CAPACITOR  
PART NUMBER  
FEATURE  
[mF]  
Variable switching frequency  
50 kHz−250 kHz  
TPS60400QDBVRQ1  
AWP  
1
TPS60401QDBVRQ1  
TPS60402QDBVRQ1  
TPS60403QDBVRQ1  
AWQ  
AWR  
AWS  
10  
3.3  
1
Fixed frequency 20 kHz  
Fixed frequency 50 kHz  
Fixed frequency 250 kHz  
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.  
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Copyright 2004, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...25

中文翻译

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