3.3 V

TPS3809K33

TMS320LC54x

GND

GND

RESET

RESET

VDD

VDD

TPS76333

GND

OUT

IN

5 V

2

3

1

RESET

VDD

GND

TPS3809J25, TPS3809L30

TPS3809K33, TPS3809I50

www.ti.com

SLVS228B – AUGUST 1999 – REVISED JULY 2012

3-PIN SUPPLY VOLTAGE SUPERVISORS

Check for Samples: TPS3809J25, TPS3809L30, TPS3809K33, TPS3809I50

1

FEATURES

APPLICATIONS

2

•

3-Pin SOT-23 Package

•

Applications Using DSPs, Microcontrollers, or

Microprocessors

•

Supply Current of 9

μA (Typical)

•

Wireless Communication Systems

•

Precision Supply Voltage Monitor

2.5 V, 3 V, 3.3 V, 5 V

•

Portable/Battery-Powered Equipment

•

Pin-For-Pin Compatible With MAX 809

•

Programmable Controls

•

Temperature Range: –40°C to +85°C

•

Intelligent Instruments

•

Industrial Equipment

•

Notebook/Desktop Computers

•

Automotive Systems

DESCRIPTION

The TPS3809 family of supervisory circuits provides circuit initialization and timing supervision, primarily for

DSPs and processor-based systems.

divider.

The product spectrum is designed for supply voltages of 2.5 V, 3 V, 3.3 V, and 5 V. The circuits are available in a

3-pin SOT-23. The TPS3809 devices are characterized for operation over a temperature range of –40°C to 85°C.

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Figure 2. Typical Application

Figure 1. DBV PACKAGE

TOP VIEW)

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.

2

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 1999–2012, 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.