ACE301A

Ultra-Small High-Precision Low Voltage Detector

VER 1.1

1

Description

The ACE301A Series is a series of high-precision low voltage detectors developed using CMOS

process. The detection voltage is fixed internally, with an accuracy of 2.0%. Two output forms, NMOS

open-drain and CMOS output, are available.

Features



Ultra-low

current consumption: 0.9μA@3.5V(Typ.)



High-precision detection voltage:±2.0%



Operating voltage range:0.7 V~ 6.0V





Detection voltage: 0.9V ~ 2.0V(10mV step)



Output forms:

NMOS open-drain output (Active Low)

CMOS output (Active Low)

Application



Memory battery back-up circuits



Power-on reset circuits



Power failure detection



Power monitor for portable equipment such as notebook computers, digital cameras, PDA,

and cellular phones.



Constant voltage power monitors for cameras, video equipment and communication

devices.



Power monitor for microcomputers and reset for CPUs.

Absolute Maximum Ratings

Parameter

Symbol

Ratings

Unit

Power supply voltage

V

DD

V

Output voltage

V

OUT

V

Power dissipation

SOT-23-3

PD

400

mW

SOT-23-5

400

SOT-89-3

600

TO-92

500

Operating ambient temperature

Topr

－40 ~85

°C

Storage temperature

Tstg

－40 ~25

°C

Soldering Temperature & Time

T

solder

260℃, 10s