Datasheet > NCP304_06

NCP304_06

更新时间： 2024-01-03 15:43:18

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Voltage Detector Series

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NCP304_06 数据手册

NCP304, NCP305

Voltage Detector Series

The NCP304 and NCP305 series are second generation ultra−low

current voltage detectors. These devices are specifically designed for

use as reset controllers in portable microprocessor based systems

where extended battery life is paramount.

Each series features a highly accurate undervoltage detector with

hysteresis which prevents erratic system reset operation as the

comparator threshold is crossed.

http://onsemi.com

The NCP304 series consists of complementary output devices that

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

NCP305 series has an open drain N−Channel output with an active low

reset output.

The NCP304 and NCP305 device series are available in the

SC−82AB package with standard undervoltage thresholds. Additional

thresholds that range from 0.9 V to 4.9 V in 100 mV steps can

be manufactured.

SC−82AB

SQ SUFFIX

CASE 419C

PIN CONNECTIONS AND

MARKING DIAGRAM

Features

• Quiescent Current of 1.0 mA Typical

• High Accuracy Undervoltage Threshold of 2.0%

• Wide Operating Voltage Range of 0.8 V to 10 V

• Complementary or Open Drain Reset Output

• Active Low or Active High Reset Output

• Pb−Free Packages are Available

GND

N.C.

xxx M G

Reset

Output

(Top View)

Typical Applications

• Microprocessor Reset Controller

• Low Battery Detection

xxx

= Specific Device Code

= Date Code

= Pb−Free Package

• Power Fail Indicator

(Note: Microdot may be in either location)

• Battery Backup Detection

ORDERING INFORMATION

See detailed ordering and shipping information in the ordering

information section on page 19 of this data sheet.

NCP305LSQxxT1

NCP304xSQxxT1

Open Drain Output Configuration

Complementary Output Configuration

Input

Reset Output

ref

GND

This device contains 38 active transistors.

This device contains 37 active transistors.

* The representative block diagram depicts active low reset output ‘L’ suffix devices. The comparator

input is interchanged for the active high output ‘H’ suffix devices.

Figure 1. Representative Block Diagrams

Publication Order Number:

May, 2006 − Rev. 18

NCP304/D

12 3 4 5 6 7...23

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