Datasheet > NCP302

NCP302

更新时间： 2024-01-12 10:03:58

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描述
Voltage Detector Series with Programmable Delay

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NCP302 数据手册

NCP302, NCP303

Voltage Detector Series

with Programmable Delay

The NCP302 and NCP303 series are second generation ultra−low

current voltage detectors that contain a programmable time delay

generator. These devices are specifically designed for use as reset

controllers in portable microprocessor based systems where extended

battery life is paramount.

http://onsemi.com

Each series features a highly accurate undervoltage detector with

hysteresis and an externally programmable time delay generator. This

combination of features prevents erratic system reset operation.

The NCP302 series consists of complementary output devices that

are available with either an active high or active low reset. The

NCP303 series has an open drain N−Channel output with an active low

reset output.

THIN SOT23−5/TSOP−5/SC59−5

CASE 483

Features

PIN CONNECTIONS AND

MARKING DIAGRAM

• Quiescent Current of 0.5 mA Typical

• High Accuracy Undervoltage Threshold of 2.0%

• Externally Programmable Time Delay Generator

• Wide Operating Voltage Range of 0.8 V to 10 V

• Complementary or Open Drain Output

• Active Low or Active High Reset

Reset

Output

Input

N.C.

Ground

• Pb−Free Packages are Available

(Top View)

xxx =Specific Device Code

Typical Applications

= Year

• Microprocessor Reset Controller

• Low Battery Detection

= Work Week

• Power Fail Indicator

• Battery Backup Detection

ORDERING INFORMATION

See detailed ordering and shipping information in the ordering

information section on page 22 of this data sheet.

NCP303LSNxxT1

NCP302xSNxxT1

Open Drain Output Configuration

Complementary Output Configuration

Input

Reset Output

Input

Reset

Output

ref

GND

* Inverter for active low devices.

* Buffer for active high devices.

This device contains 28 active transistors.

Figure 1. Representative Block Diagrams

Semiconductor Components Industries, LLC, 2005

Publication Order Number:

January, 2005 − Rev. 14.5

NCP302/D

12 3 4 5 6 7...26

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