INA+

INB

R

1

GND

1.8 V to 18 V

OUTA

OUTB

R

2

R

3

V

MON

INA+

INB-

VDD

Device

RP

2

RP

1

0.1 F

m

To a reset

or enable

input of

the system.

1

2

3

6

5

4

OUTB

VDD

INB-

OUTA

GND

INA+

DDC PACKAGE

ThinSOT23-6

(TOP VIEW)

TPS3700

www.ti.com

SBVS187B – FEBRUARY 2012 – REVISED APRIL 2012

Window Comparator for Over- and Undervoltage Detection

Check for Samples: TPS3700

1

FEATURES

DESCRIPTION

2

•

Wide Supply Voltage Range: 1.8 V to 18 V

The

TPS3700

wide-supply

voltage

window

•

Adjustable Threshold: Down to 400 mV

comparator operates over a 1.8-V to 18-V range. The

device has two high-accuracy comparators with an

•

Open-Drain Outputs for Over- and

internal

400-mV

reference

and

two

open-drain

Undervoltage Detection

outputs rated to 18 V for over- and undervoltage

•

Low Quiescent Current: 5.5 µA (typ)

detection. The TPS3700 can be used as a window

•

High Threshold Accuracy:

comparator or as two independent voltage monitors;

the monitored voltage can be set with the use of

–

1.0% Over Temperature

external resistors.

–

0.25% (typ)

OUTA is driven low when the voltage at INA+ drops

•

Internal Hysteresis: 5.5 mV (typ)

•

Temperature Range: –40°C to +125°C

•

Available in a ThinSOT23-6 Package

is driven low when the voltage at INB– rises above

APPLICATIONS

in the TPS3700 include built-in hysteresis for filtering

•

Industrial Control Systems

to reject brief glitches, thereby ensuring stable output

•

Automotive Systems

operation without false triggering.

•

Embedded Computing Modules

The TPS3700 is available in a ThinSOT23-6 package

•

DSP, Microcontroller, or Microprocessor

and is specified over the junction temperature range

Applications

of –40°C to +125°C.

•

Notebook and Desktop Computers

•

Portable- and Battery-Powered Products

•

FPGA and ASIC Applications

Figure 1. TPS3700 Typical Application

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 © 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.