Note: Tab is GND for both packages

1

KTT PACKAGE

(TOP VIEW)

2 3 4 5

DDPAK

1

2

3

4

5

DCQ PACKAGE

OUT

GND

IN

ENABLE

SOT223-5

(TOP VIEW)

RESET

TPS726126

TPS72615, TPS72616

TPS72618, TPS72625

www.ti.com

SLVS403H – MAY 2002 – REVISED JUNE 2010

LOW INPUT VOLTAGE,

1-A LOW-DROPOUT LINEAR REGULATORS

WITH SUPERVISOR

Check for Samples: TPS726126, TPS72615, TPS72616, TPS72618, TPS72625

1

FEATURES

DESCRIPTION

•

1-A Low-Dropout Regulator Supports Input

Voltages Down to 1.8-V

The TPS726xx family of 1-A low-dropout (LDO) linear

regulators has fixed voltage options available that are

•

Available in 1.26-V, 1.5-V, 1.6-V, 1.8-V, 2.5-V

commonly used to power the latest DSPs, FPGAs,

•

Stable With Any Type/Value Output Capacitor

and microcontrollers. The integrated supervisory

•

±2% Output Voltage Tolerance Over Line,

circuitry provides an active low RESET signal when

Load, and Temperature (–40°C to +125°C)

the

output

falls

out

of

regulation.

The

no

capacitor/any capacitor feature allows the customer

•

Integrated Supervisor (SVS) With 200-ms

to tailor output transient performance as needed.

RESET Delay Time

Therefore, compared to other regulators capable of

•

Low 170-mV Dropout Voltage at 1 A

providing the same output current, this family of

(TPS72625)

regulators can provide a stand alone power supply

•

Low 210-mA Ground Current at Full Load

solution or a post regulator for a switch mode power

supply.

•

Less than 1-mA Standby Current

•

Integrated UVLO with Thermal and

These regulators operate over a wide range of input

voltages (1.8 V to 6 V) and have very low dropout

Overcurrent Protection

(170 mV at 1-A). Ground current is typically 210 µA at

•

5-Lead SOT223 or DDPAK Surface-Mount

full load and drops to less than 80 µA at no load.

Package

Standby current is less than 1 µA.

Unlike some regulators that have a minimum current

APPLICATIONS

requirement, the TPS726xx family is stable with no

•

PCI Cards

output load current. The low noise capability of this

•

Modem Banks and Telecom Boards

family, coupled with its high current operation and

•

DSP, FPGA, and Microprocessor Power

ease of power dissipation, make it ideal for telecom

Supplies

boards, modem banks, and other noise sensitive

•

Portable, Battery-Powered Applications

applications.

•

1.26-V Core Voltage for the Following DSPs:

The TPS726xx is available in either a SOT223 or

–

TMS320vC5501

DDPAK package. The TPS726126 is available in a

SOT223 package only.

–

TMS320vC5502

1

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.

Copyright © 2002–2010, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.