Datasheet > AP1704GWL

AP1704GWL

更新时间： 2024-10-04 03:34:15

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美台 - DIODES		/
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描述
Power Management Circuit,

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数据手册

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AP1704GWL 数据手册

AP1701/2/3/4

3-Pin Microprocessor Reset Circuits

Features

General Description

- Precision Monitoring of +2.5V, +3V, +3.3V, and

+5V

The AP1701/2/3/4 are used for microprocessor (µP)

supervisory circuits to monitor the power supplies in

µP and digital systems. They provide excellent

circuit reliability and low cost by eliminating external

components and adjustments when used with +5V,

+3.3V, +3.0V powered circuits.

Power-Supply Voltages

- Fully Specified Over Temperature

- Available in Three Output Configurations

- Push-Pull RESET Low Output (AP1701/3)

- Push-Pull RESET High Output (AP1702/4)

- 200ms Typ Power-On Reset Pulse Width

- 20µA Supply Current (Typ.)

These circuits perform a single function: they assert

a reset signal whenever the VCC supply voltage

declines below a preset threshold, keeping it

asserted for at least 240ms after VCC has risen

above the reset threshold. Reset thresholds

suitable for operation with a variety of supply

voltages are available. The AP1701/2/3/4 have

push pull outputs. The AP1701/3 have an active low

RESET output, while the AP1702/4 has an active

high RESET output. The reset comparator is

designed to ignore fast transients on VCC, and the

outputs are guaranteed to be in the correct logic

state for VCC down to 1V. Low supply current

makes the AP1701/2/3/4 ideal for use in portable

equipment. The AP1701/2/3/4 is available in a 3-pin

SOT23 package.

- Guaranteed Reset Valid to VCC = +1V

- Power Supply Transient Immunity

- No External Components

- 3-pin SOT23 package

Applications

- Computers

- Controllers

- Intelligent Instruments

- Critical µP and µC Power Monitoring

- Portable/Battery Powered Equipment

- Automotive

Pin Assignments

Pin Descriptions

(Top View)

Name

Description

GND

Ground

GND

Reset output pin

L: for AP1701/3

H: for AP1702/4

AP1701

AP1702

RESET

V_CC

(RESET)

V_CC

Operating voltage input

RESET (RESET)

SOT-23

(Top View)

RESET (RESET)

GND

AP1703

AP1704

V_CC

SOT-23

This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of

this product. No rights under any patent accompany the sale of the product.

Rev.1.3 Oct. 13, 2005

1/8

12 3 4 5 6 7 8

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