TPS725

更新时间： 2024-11-06 11:07:55

品牌	Logo	应用领域
德州仪器 - TI		电源电路线性稳压器IC
页数	文件大小	规格书
18页	524K
描述
具有使能和复位功能的 1A、超低压降稳压器

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中文翻译

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数据手册

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TPS725 数据手册

TPS72501

TPS72515, TPS72516

TPS72518, TPS72525

www.ti.com

SLVS341D–MAY 2002–REVISED MARCH 2004

LOW INPUT VOLTAGE, 1-A LOW-DROPOUT LINEAR REGULATORS WITH SUPERVISOR

FEATURES

DESCRIPTION

•

1-A Output Current

The TPS725xx family of 1-A low-dropout (LDO) linear

regulators has fixed voltage options available that are

commonly used to power the latest DSPs, FPGAs,

and microcontrollers. An adjustable option ranging

from 1.22 V to 5.5 V is also available. The integrated

supervisory circuitry provides an active low RESET

signal when the output falls out of regulation. The no

capacitor/any capacitor feature allows the customer

to tailor output transient performance as needed.

Therefore, compared to other regulators capable of

providing the same output current, this family of

regulators can provide a stand-alone power supply

solution or a post regulator for a switch mode power

supply.

•

Available in 1.5-V, 1.6-V, 1.8-V, 2.5-V

Fixed-Output and Adjustable Versions

(1.2-V to 5.5-V)

•

Input Voltage Down to 1.8 V

Low 170-mV Dropout Voltage at 1 A

(TPS72525)

•

Stable With Any Type/Value Output Capacitor

Integrated Supervisor (SVS) With 50-ms

RESET Delay Time

•

Low 210-µA Ground Current at Full Load

(TPS72525)

•

Less than 1-µA Standby Current

These regulators are ideal for higher current appli-

cations. The family operates over a wide range of

input voltages (1.8 V to 6 V) and has very low

dropout (170 mV at 1-A).

±2% Output Voltage Tolerance Over Line,

Load, and Temperature (-40°C to 125°C)

•

Integrated UVLO

Ground current is typically 210 µA at full load and

drops to less than 80 µA at no load. Standby current

is less than 1 µA.

Thermal and Overcurrent Protection

5-Lead SOT223-5 or DDPAK and 8-Pin SOP

(TPS72501 only) Surface Mount Package

Each regulator option is available in either

SOT223-5, D (TPS72501 only), or DDPAK package.

With a low input voltage and properly heatsinked

package, the regulator dissipates more power and

achieves higher efficiencies than similar regulators

requiring 2.5 V or more minimum input voltage and

higher quiescent currents. These features make it a

viable power supply solution for portable, bat-

tery-powered equipment.

APPLICATIONS

•

PCI Cards

Modem Banks

Telecom Boards

DSP, FPGA, and Microprocessor Power

Supplies

•

Portable, Battery-Powered Applications

DCQ PACKAGE

SOT223-5

(TOP VIEW)

KTT PACKAGE

DDPAK

(TOP VIEW)

D PACKAGE

(TOP VIEW)

ENABLE

OUT

GND

ENABLE

GND

OUT

2 3 4 5

RESET/FB

NC − No internal connection

NOTE: TPS72501 replaces RESET with FB. Tab is GND for the DCK and KTT packages.

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 the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...18

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与TPS725相关器件

型号	品牌	获取价格	描述	数据表
TPS7250	TI	获取价格	MICROPOWER LOW-DROPOUT (LDO) VOLTAGE REGULATORS
TPS72501	TI	获取价格	LOW INPUT VOLTAGE, 1-A LOW-DROPOUT LINEAR REGULATORS WITH SUPERVISOR
TPS72501_07	TI	获取价格	LOW INPUT VOLTAGE, 1-A LOW-DROPOUT LINEAR REGULATORS WITH SUPERVISOR
TPS72501D	TI	获取价格	LOW INPUT VOLTAGE, 1-A LOW-DROPOUT LINEAR REGULATORS WITH SUPERVISOR
TPS72501DCQ	TI	获取价格	LOW INPUT VOLTAGE, 1-A LOW-DROPOUT LINEAR REGULATORS WITH SUPERVISOR
TPS72501DCQG4	TI	获取价格	LOW INPUT VOLTAGE, 1-A LOW-DROPOUT LINEAR REGULATORS WITH SUPERVISOR
TPS72501DCQR	TI	获取价格	LOW INPUT VOLTAGE, 1-A LOW-DROPOUT LINEAR REGULATORS WITH SUPERVISOR
TPS72501DCQRG4	TI	获取价格	LOW INPUT VOLTAGE, 1-A LOW-DROPOUT LINEAR REGULATORS WITH SUPERVISOR
TPS72501DR	TI	获取价格	LOW INPUT VOLTAGE, 1-A LOW-DROPOUT LINEAR REGULATORS WITH SUPERVISOR
TPS72501DRG4	TI	获取价格	LOW INPUT VOLTAGE, 1-A LOW-DROPOUT LINEAR REGULATORS WITH SUPERVISOR

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