Datasheet > TPS71H33

TPS71H33

更新时间： 2024-11-26 23:37:23

品牌	Logo	应用领域
其他 - ETC		稳压器
页数	文件大小	规格书
39页	609K
描述
Low-Dropout (LDO) Voltage Regulator

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数据手册

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TPS71H33 数据手册

TPS71H01Q, TPS71H33Q, TPS71H48Q, TPS71H50Q

LOW-DROPOUT VOLTAGE REGULATORS

SLVS152B – NOVEMBER 1996 – REVISED AUGUST 2002

PWP PACKAGE

(TOP VIEW)

Available in 5-V, 4.85-V, and 3.3-V

Fixed-Output and Adjustable Versions

Very Low-Dropout Voltage . . . Maximum of

GND/HEATSINK

32 mV at I = 100 mA (TPS71H50)

Very Low Quiescent Current – Independent

of Load . . . 285 µA Typ

GND

Extremely Low Sleep-State Current

†

‡

SENSE /FB

0.5 µA Max

OUT

GND/HEATSINK

2% Tolerance Over Specified Conditions

For Fixed-Output Versions

GND/HEATSINK

Output Current Range of 0 mA to 500 mA

TSSOP Package Option Offers Reduced

Component Height for Space-Critical

Applications

PWP PACKAGE

(BOTTOM VIEW)

Thermally Enhanced Surface-Mount

Package

Power-Good (PG) Status Output

description

Thermal

Pad

The TPS71Hxx integrated circuits are a family of

micropower low-dropout (LDO) voltage regula-

tors. An order of magnitude reduction in dropout

voltage and quiescent current over conventional

LDO performance is achieved by replacing the

typical pnp pass transistor with a PMOS device.

NC – No internal connection

SENSE – Fixed voltage options only (TPS71H33,

†

Because the PMOS device behaves as a

low-value resistor, the dropout voltage is very low

(maximum of 32 mV at an output current of

100 mA for the TPS71H50) and is directly

TPS71H48, and TPS71H50)

FB – Adjustable version only (TPS71H01)

‡

proportional to the output current (see Figure 1). Additionally, since the PMOS pass element is a voltage-driven

device, the quiescent current is very low and remains independent of output loading (typically 285 µA over the

full range of output current, 0 mA to 500 mA). These two key specifications yield a significant improvement in

operating life for battery-powered systems. The LDO family also features a sleep mode; applying a TTL high

signal to EN (enable) shuts down the regulator, reducing the quiescent current to 0.5 µA maximum at T = 25°C.

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...39

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与TPS71H33相关器件

型号	品牌	获取价格	描述	数据表
TPS71H33Q	TI	获取价格	LOW-DROPOUT VOLTAGE REGULATORS
TPS71H33-Q1	TI	获取价格	LOW-DROPOUT VOLTAGE REGULATORS
TPS71H33QPWP	TI	获取价格	LOW-DROPOUT VOLTAGE REGULATORS
TPS71H33QPWPLE	TI	获取价格	LOW-DROPOUT VOLTAGE REGULATORS
TPS71H33QPWPR	TI	获取价格	LOW-DROPOUT VOLTAGE REGULATORS
TPS71H33QPWPRG4	TI	获取价格	LOW-DROPOUT VOLTAGE REGULATORS
TPS71H33QPWPRQ1	TI	获取价格	LOW-DROPOUT VOLTAGE REGULATORS
TPS71H48	TI	获取价格	LOW-DROPOUT VOLTAGE REGULATORS
TPS71H48PWPLE	ETC	获取价格	Positive Fixed Voltage Regulator
TPS71H48Q	TI	获取价格	LOW-DROPOUT VOLTAGE REGULATORS

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