R

1

GND

1.8 V to 36 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.

V

0 V to 25 V

PULLUP

-40

-20

0

20

40

60

80

100

120

140

-0.16

-0.14

-0.12

-0.1

-0.08

-0.06

-0.04

-0.02

0

0.02

0.04

D012

INA Negative Threshold

INB Positive Threshold

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TPS3701

SBVS240 – NOVEMBER 2014

TPS3701 36-V Window Comparator with Internal Reference

for Over- and Undervoltage Detection

1 Features

3 Description

The

TPS3701

wide-supply

voltage

window

1

•

Wide Supply Voltage Range: 1.8 V to 36 V

comparator operates over a 1.8-V to 36-V range. The

•

Adjustable Threshold: Down to 400 mV

device has two precision comparators with an internal

•

Open-Drain Outputs for Over- and Undervoltage

400-mV reference and two open-drain outputs (OUTA

Detection

and OUTB) rated to 25 V for over- and undervoltage

detection. Use the TPS3701 as a window comparator

•

Low Quiescent Current: 7 µA (typ)

or as two independent voltage monitors; set the

•

High Threshold Accuracy:

monitored voltage with the use of external resistors.

–

0.75% Over Temperature

OUTA is driven low when the voltage at the INA pin

–

0.25% (typ)

drops below the negative threshold, and goes high

•

Internal Hysteresis: 5.5 mV (typ)

when

the

voltage

returns

above

the

positive

threshold. OUTB is driven low when the voltage at

•

Temperature Range: –40°C to 125°C

the INB pin rises above the positive threshold, and

•

Package:

goes high when the voltage drops below the negative

–

SOT-6

threshold. Both comparators in the TPS3701 include

built-in

hysteresis

for

noise

rejection,

thereby

2 Applications

ensuring

stable

output

operation

without

false

triggering.

•

Industrial Control Systems

The TPS3701 is available in a SOT-6 package and is

•

Embedded Computing Modules

specified over the junction temperature range of

•

DSPs, Microcontrollers, and Microprocessors

–40°C to 125°C.

•

Notebook and Desktop Computers

Device Information(1)

•

Portable- and Battery-Powered Products

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

FPGA and ASIC Systems

TPS3701

SOT (6)

2.90 mm × 1.60 mm

(1) For all available packages, see the package option addendum

at the end of the datasheet.

Typical Application

Typical Error vs Junction Temperature

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.