TPS7A6333-Q1

or

TPS7A6350-Q1

EN

nWD_EN

WD

VOUT

nRST

VIN

RDELAY

ROSC

GND

WD_FLT/

WD_FLG

RESET

FAULT/

FLAG

TPS7A6x01-Q1

EN

WD

VOUT

nRST

VIN

RDELAY

ROSC

GND

R1

FB

R2

WD_FLT/

WD_FLG

RESET

FAULT/

FLAG

nWD_EN

TPS7A6301-Q1, TPS7A6333-Q1

TPS7A6350-Q1, TPS7A6401-Q1

www.ti.com

SLVSAB1D – JUNE 2011 – REVISED JULY 2012

300-mA 40-V LOW-DROPOUT REGULATOR WITH ULTRALOW Iq

Check for Samples: TPS7A6301-Q1, TPS7A6333-Q1, TPS7A6350-Q1, TPS7A6401-Q1

1

FEATURES

•

Low Input-Voltage Tracking

•

Thermally Enhanced 14-pin TSSOP - PWP

•

Qualified for Automotive Applications

Package and 10-pin VSON - DRK Package

•

AEC-Q100 Test Guidance With the Following

Results:

APPLICATIONS

–

Device Temperature Grade 1: –40°C to

•

Infotainment Systems With Sleep Mode

125°C Ambient Operating Temperature

•

Body Control Modules

–

Device HBM ESD Classification Level H2

•

Always-On Battery Applications

–

Device CDM ESD Classification Level C2

–

Gateway Applications

•

Low Dropout Voltage

–

Remote Keyless Entry Systems

–

–

Immobilizers

•

4-V to 40-V Wide Input-Voltage Range

With up to 45-V Transients

DESCRIPTION

•

300-mA Maximum Output Current

The TPS7A63xx-Q1 and TPS7A6401-Q1 are a family

•

Ultralow Quiescent Current

of low-dropout linear voltage regulators designed for

–

low power consumption and quiescent current less

than 35 µA in light-load applications. These devices,

–

designed to achieve stable operation even with a low-

•

Fixed (3.3-V and 5-V) and Adjustable (2.5-V to

ESR ceramic output capacitor, feature an integrated

7-V) Output Voltages

programmable window watchdog and overcurrent

•

Integrated Watchdog With Fault/Flag

protection. Designers can program the output voltage

using

external

resistors.

A

low-voltage

tracking

•

Stable With Low-ESR Ceramic Output

feature allows for a smaller input capacitor and can

Capacitor

possibly

eliminate

the

need

of

using

a

boost

•

Integrated Power-On Reset

converter during cold-crank conditions. The power-

–

Programmable Delay

on-reset delay is fixed (250 µs typical), or an external

capacitor can program the delay. Because of such

–

Open-Drain Reset Output

features, these devices are well-suited in power

•

Integrated Fault Protection

supplies for various automotive applications.

–

Short-Circuit/Overcurrent Protection

–

Thermal Shutdown

TYPICAL APPLICATION SCHEMATIC

Figure 1. Fixed Output Voltage Option

Figure 2. Adjustable Output Voltage Option

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 © 2011–2012, 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.