200

300

400

500

600

700

800

900

4

6

8

10

12

14

16

18

Supply Voltage (V)

-40

SC

0

SC

25

SC

85

SC

105

SC

C007

VCC

RESET

GND

TPS3847

EN

Regulator

12 V

C

0.1 F

m

IN

MR

OUT

VCC

Product

Folder

Sample &

Buy

Technical

Documents

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Software

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TPS3847

SBVS231A – AUGUST 2014 – REVISED MARCH 2015

TPS3847 18-V, 380-nA Voltage Monitor

1 Features

3 Description

The TPS3847 family consists of wide operating

1

•

Ultralow Supply Current: 380 nA

voltage, ultralow-current devices that monitor the

•

Wide Supply Voltage Range: 4.5 V to 18 V

voltage at the supply pin. The device asserts an

•

High Threshold Accuracy: ±2.5%

active-low reset signal whenever the VCC supply

voltage

drops

below

the

factory-trimmed

reset

•

Internal Hysteresis

threshold voltage. The reset output remains asserted

•

Push-Pull Output

for 20 ms (max) after the VCC voltage rises above

•

20-ms (max) Delay Timing

the threshold voltage.

•

Factory-Trimmed, Fixed-Voltage Thresholds

The

ultralow

current

consumption

of

380

nA

•

Specified Operating Temperature Range:

combined with 18-V capability makes the TPS3847

–40°C to +85°C

ideal for use in low-power and portable applications.

•

Operational from –40°C to +105°C

The TPS3847 features precision, factory-trimmed

•

Package: 5-Pin SOT

threshold

voltages

and

extremely

low-power

operation. The TPS3847 is available in an industry-

standard, 5-pin, SOT package.

2 Applications

•

Portable and Battery-Powered Equipment

Device Information(1)

•

Desktops, Notebooks, and Ultrabooks

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Industrial Systems

TPS3847

SOT (5)

2.90 mm × 1.60 mm

•

Servers

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

at the end of the datasheet.

•

Security Systems

Typical Application

Supply Current vs Supply Voltage

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.