2

3

1

RESET

V

DD

GND

TLV803

DBZPackage

(TopView)

3.3V

TLV803S

DSP/FPGA/ASIC

GND

GND

RESET

RESET

V

DD

3.3-VLDO

GND

OUT

IN

5V

V

DD

TLV803M, TLV803R

TLV803S, TLV803Z

www.ti.com

SBVS157A

– APRIL 2011 – REVISED JUNE 2011

3-Pin Voltage Supervisors

with Active-Low, Open-Drain Reset

Check for Samples: TLV803M, TLV803R, TLV803S, TLV803Z

1

FEATURES

DESCRIPTION

The TLV803 family of supervisory circuits provides

2

•

3-Pin SOT23 Package

circuit initialization and timing supervision, primarily

•

Supply Current: 9

µA (Typical)

for DSPs and processor-based systems.

•

Precision Supply Voltage Monitor:

During power-on, RESET asserts when the supply

2.5 V, 3 V, 3.3 V, 5 V

voltage

becomes

greater

than

1.1

V.

•

Power-On Reset Generator with

Fixed Delay Time of 200 ms

•

Pin-for-Pin Compatible with MAX803

•

Temperature Range:

–40°C to +125°C

return of the output to the inactive state (high) to

•

Open-Drain, RESET Output

APPLICATIONS

•

DSPs, Microcontrollers, and Microprocessors

active (low) again. All the devices in this family have

•

Wireless Communication Systems

internal voltage divider.

•

Portable/Battery-Powered Equipment

•

Programmable Controls

The product spectrum is designed for supply voltages

•

Intelligent Instruments

of 2.5 V, 3 V, 3.3 V, and 5 V. The circuits are

available in a 3-pin SOT-23 package. The TLV803

•

Industrial Equipment

devices are characterized for operation over a

•

Notebook and Desktop Computers

temperature range of

–40°C to +125°C.

•

Automotive Systems

DEVICE FAMILY COMPARISON

TYPICAL APPLICATION

DEVICE

FUNCTION

TLV803

Open-Drain, RESET Output

TLV809

Push-Pull, RESET Output

TLV810

Push-Pull, RESET Output

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

© 2011, 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.