TPS6735P

更新时间： 2024-09-24 22:52:51

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
18页	307K
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FIXED NEGATIVE 5-V 200-mA INVERTING DC/DC CONVERTER

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TPS6735P 数据手册

TPS6735

FIXED NEGATIVE 5-V 200-mA INVERTING DC/DC CONVERTER

SLVS141A – JULY 1996 – REVISED JANUARY 1997

D OR P PACKAGE

Negative 5-V 200-mA Output (V

≥ 4.5 V)

(TOP VIEW)

4-V to 6.2-V Input Operating Range

78% Typical Efficiency

REF

OUT

GND

160-kHz Fixed-Frequency Current-Mode

PWM Controller

COMP

EN Input Inhibits Operation and Reduces

Supply Current to 1 µA

Soft Start

8-Pin SOIC and DIP Packages

–40°C to 85°C Free-Air Temperature Range

Pin-for-Pin Compatible with MAX735

description

The TPS6735 is a fixed negative 5-V output inverting dc/dc converter capable of delivering 200 mA from inputs

as low as 4.5 V. The only external components required are an inductor, an output filter capacitor, an input filter

capacitor, a reference filter capacitor, and a Schottky rectifier. An enable input is provided to shut down the

inverter when a –5-V output is not needed. The typical supply current is 1.9 mA at no-load and is further reduced

to 1-µA when the enable input is low.

The TPS6735 is a 160-kHz current-mode pulse-width-modulation (PWM) controller with a p-channel MOSFET

power switch. The gate drive uses the –5-V output to reduce the die area needed to realize the 0.4-Ω MOSFET.

Soft start is accomplished with the addition of one small capacitor at SS. A 1.22-V reference is available for

external loads up to 125 µA.

The TPS6735 is attractive for board-level dc/dc conversion in computer peripherals and in battery-powered

equipment requiring high efficiency and low supply current.

The TPS6735 is available in 8-pin DIP and SOIC packages and operates over a free-air temperature range of

–40°C to 85°C.

4 V to 6.2 V

47 µF

TPS6735

ENABLE

1N5817

1 µF

OUT

– 5 V

REF

10 µF

100 µF

GND

10 µH

COMP

†

82 pF

†

Not required for loads of 100 mA or less

Figure 1. Typical Circuit

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...18

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与TPS6735P相关器件

型号	品牌	获取价格	描述	数据表
TPS6735Y	TI	获取价格	2A SWITCHING REGULATOR, 160kHz SWITCHING FREQ-MAX, UUC12, DIE-12
TPS6755	TI	获取价格	ADJUSTABLE INVERTING DC/DC CONVERTER
TPS6755D	TI	获取价格	ADJUSTABLE INVERTING DC/DC CONVERTER
TPS6755ID	TI	获取价格	ADJUSTABLE INVERTING DC/DC CONVERTER
TPS6755IDG4	TI	获取价格	ADJUSTABLE INVERTING DC/DC CONVERTER
TPS6755IDR	TI	获取价格	ADJUSTABLE INVERTING DC/DC CONVERTER
TPS6755IDRG4	TI	获取价格	ADJUSTABLE INVERTING DC/DC CONVERTER
TPS6755IP	TI	获取价格	ADJUSTABLE INVERTING DC/DC CONVERTER
TPS6755IPE4	TI	获取价格	ADJUSTABLE INVERTING DC/DC CONVERTER
TPS6755P	TI	获取价格	ADJUSTABLE INVERTING DC/DC CONVERTER

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