Datasheet > NCP302/D

NCP302/D

更新时间： 2024-11-30 23:53:27

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Voltage Detector Series with Programmable Delay

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NCP302/D 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 under voltage 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 SOT–23–5

SN SUFFIX

CASE 483

Features

PIN CONNECTIONS AND

MARKING DIAGRAM

• Quiescent Current of 0.5 µA Typical

• High Accuracy Under Voltage 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

Typical Applications

xxx = 302 or 303

• Microprocessor Reset Controller

• Low Battery Detection

• Power Fail Indicator

= Year

= Work Week

(Top View)

• Battery Backup Detection

ORDERING INFORMATION

See detailed ordering and shipping information in the ordering

information section on page 25 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, 2001

Publication Order Number:

June, 2001 – Rev. 7

NCP302/D

12 3 4 5 6 7...28

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