Datasheet > NCP304A

NCP304A

更新时间： 2024-01-26 10:31:43

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安森美 - ONSEMI		/
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6页	110K
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Voltage Detector Series

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NCP304A 数据手册

NCP304A

Voltage Detector Series

The NCP304A is a second generation ultra−low current voltage

detector. This device is specifically designed for use as a reset

controller in portable microprocessor based systems where extended

battery life is paramount.

This device features a highly accurate undervoltage detector with

hysteresis which prevents erratic system reset operation as the

comparator threshold is crossed.

http://onsemi.com

The NCP304A consists of complementary output devices that are

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

The NCP304A is 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

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 Output

PIN CONNECTIONS AND

MARKING DIAGRAM

Reset

Output

• Active Low or Active High Reset Output

• This is a Pb−Free Device

SUD M G

Typical Applications

GND

• Microprocessor Reset Controller

• Low Battery Detection

• Power Fail Indicator

(Top View)

SUD

= Specific Device Code

= Date Code

• Battery Backup Detection

= Pb−Free Package

(Note: Microdot may be in either location)

ORDERING INFORMATION

See detailed ordering and shipping information in the ordering

information section on page 5 of this data sheet.

NCP304ALSQxxT1

Complementary Output Configuration

Input

Reset Output

ref

GND

This device contains 38 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:

September, 2008 − Rev. 1

NCP304A/D

12 3 4 5 6

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