TPS60402

更新时间： 2024-11-04 22:52:55

品牌	Logo	应用领域
德州仪器 - TI		泵
页数	文件大小	规格书
23页	431K
描述
UNREGULATED 60-mA CHARGE PUMP VOLTAGE INVERTER

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替代型号

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TPS60402 数据手册

TPS60400, TPS60401, TPS60402, TPS60403

UNREGULATED 60-mA CHARGE PUMP VOLTAGE INVERTER

SLVS324 – JULY 2001

features

applications

Inverts Input Supply Voltage

Up to 60-mA Output Current

LCD Bias

GaAs Bias for RF Power Amps

Sensor Supply in Portable Instruments

Bipolar Amplifier Supply

Medical Instruments

Only Three Small 1-µF Ceramic Capacitors

Needed

Input Voltage Range From 1.6 V to 5.5 V

PowerSave-Mode for Improved Efficiency

at Low Output Currents (TPS60400)

Battery-Operated Equipment

DBV PACKAGE

(TOP VIEW)

Device Quiescent Current Typical 100 µA

Integrated Active Schottky-Diode for

Start-Up Into Load

FLY+

OUT

Small 5-Pin SOT23 Package

Evaluation Module Available

TPS60400EVM–178

GND

FLY–

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

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.

typical application circuit

TPS60400

OUTPUT VOLTAGE

INPUT VOLTAGE

1 µF

(fly)

–1

–2

–3

–4

–5

= 60 mA

= 30 mA

FLY+

FLY–

= 1 mA

TPS60400

Output

–1.6 V to –5 V,

Max 60 mA

Input

OUT

1.6 V to 5.5 V

1 µF

GND

= 25°C

V – Input Voltage – V

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.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...23

中文翻译

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TPS60402 替代型号

型号	品牌	替代类型	描述	数据表
TPS60401	TI	功能相似	UNREGULATED 60-mA CHARGE PUMP VOLTAGE INVERTER
TPS60400	TI	功能相似	UNREGULATED 60-mA CHARGE PUMP VOLTAGE INVERTER

与TPS60402相关器件

型号	品牌	获取价格	描述	数据表
TPS60402DBV	TI	获取价格	UNREGULATED 60-mA CHARGE PUMP VOLTAGE INVERTER
TPS60402DBVR	TI	获取价格	Analog IC
TPS60402DBVRG4	TI	获取价格	UNREGULATED 60-mA CHARGE PUMP VOLTAGE INVERTER
TPS60402DBVT	TI	获取价格	Analog IC
TPS60402DBVTG4	TI	获取价格	UNREGULATED 60-mA CHARGE PUMP VOLTAGE INVERTER
TPS60402-Q1	TI	获取价格	具有 50kHz 固定频率的汽车类非稳压 60mA 电荷泵电压逆变器
TPS60402QDBVRQ1	TI	获取价格	UNREGULATED 60-mA CHARGE PUMP VOLTAGE INVERTER
TPS60403	TI	获取价格	UNREGULATED 60-mA CHARGE PUMP VOLTAGE INVERTER
TPS60403DBV	TI	获取价格	UNREGULATED 60-mA CHARGE PUMP VOLTAGE INVERTER
TPS60403DBVR	TI	获取价格	Analog IC

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