TPS7148QPWR

更新时间： 2024-09-15 22:52:51

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
37页	683K
描述
LOW-DROPOUT VOLTAGE REGULATORS

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TPS7148QPWR 数据手册

TPS7101Q, TPS7133Q, TPS7148Q, TPS7150Q

TPS7101Y, TPS7133Y, TPS7148Y, TPS7150Y

LOW-DROPOUT VOLTAGE REGULATORS

SLVS092G – NOVEMBER 1994 – REVISED JANUARY 2003

D OR P 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

32 mV at I = 100 mA (TPS7150)

†

‡

SENSE /FB

OUT

Very Low Quiescent Current – Independent

of Load . . . 285 µA Typ

OUT

Extremely Low Sleep-State Current

0.5 µA Max

PW PACKAGE

(TOP VIEW)

2% Tolerance Over Specified Conditions

For Fixed-Output Versions

GND

Output Current Range of 0 mA to 500 mA

TSSOP Package Option Offers Reduced

Component Height for Space-Critical

Applications

‡

Power-Good (PG) Status Output

†

SENSE

OUT

description

The TPS71xx integrated circuits are a family

of micropower low-dropout (LDO) voltage

regulators. 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

(TPS7133, TPS7148, and TPS7150)

FB – Adjustable version only (TPS7101)

†

‡

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 TPS7150) and is directly 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...37

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与TPS7148QPWR相关器件

型号	品牌	获取价格	描述	数据表
TPS7148QPWRG4	TI	获取价格	LOW-DROPOUT VOLTAGE REGULATORS
TPS7148Y	TI	获取价格	LOW-DROPOUT VOLTAGE REGULATORS
TPS7148YD	TI	获取价格	LOW-DROPOUT VOLTAGE REGULATORS
TPS7148YP	TI	获取价格	LOW-DROPOUT VOLTAGE REGULATORS
TPS7148YPW	TI	获取价格	LOW-DROPOUT VOLTAGE REGULATORS
TPS715	TI	获取价格	50 mA, 24 V, 3.2 uA Supply Current Low-Dropout Linear Regulator
TPS7150	ETC	获取价格	Low-Dropo
TPS71501	TI	获取价格	50 mA, 24 V, 3.2UA Supply Current Low-Dropout Linear Regulator in SC70 Package
TPS71501DCKR	TI	获取价格	50 mA, 24 V, 3.2UA Supply Current Low-Dropout Linear Regulator in SC70 Package
TPS71501DCKRG4	TI	获取价格	50 mA, 24 V, 3.2 uA Supply Current Low-Dropout Linear Regulator

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