2

3

1

RESET

V

DD

GND

TLV810

DBZPackage

(TopView)

3.3V

TLV810S

DSP/FPGA/ASIC

GND

GND

RESET

RESET

V

DD

3.3-VLDO

GND

OUT

IN

5V

V

DD

TLV810M, TLV810R

TLV810S, TLV810Z

www.ti.com

SBVS158A

– APRIL 2011 – REVISED JUNE 2011

3-Pin Voltage Supervisors

with Active-High, Push-Pull Reset

Check for Samples: TLV810M, TLV810R, TLV810S, TLV810Z

1

FEATURES

DESCRIPTION

The TLV810 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 is asserted when the

2.5 V, 3 V, 3.3 V, 5 V

supply voltage (VDD) becomes higher than 1.1 V.

•

Power-On Reset Generator with

Thereafter, the supervisory circuit monitors VDD and

Fixed Delay Time of 200 ms

keeps RESET active as long as VDD remains below

•

Pin-for-Pin Compatible with MAX810

the threshold voltage VIT. An internal timer delays the

•

Temperature Range:

–40°C to +125°C

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

ensure proper system reset. The delay time (td(typ) =

•

Push-Pull, RESET Output

200 ms) starts after VDD has risen above the

threshold voltage, VIT. When the supply voltage drops

APPLICATIONS

below the VIT threshold voltage, the output becomes

•

DSPs, Microcontrollers, and Microprocessors

active (high) again. No external components are

•

Wireless Communication Systems

required. All the devices in this family have a fixed

sense-threshold voltage (VIT) set by an internal

•

Portable/Battery-Powered Equipment

voltage divider.

•

Programmable Controls

•

Intelligent Instruments

The product spectrum is designed for supply voltages

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

•

Industrial Equipment

available in a 3-pin SOT-23 package. The TLV810

•

Notebook and Desktop Computers

devices are characterized for operation over a

•

Automotive Systems

temperature range of

–40°C to +125°C.

DEVICE FAMILY COMPARISON

DEVICE

FUNCTION

TYPICAL APPLICATION

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.