Datasheet > NCP304/D

NCP304/D

更新时间： 2024-01-07 16:36:48

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Voltage Detector Series

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NCP304/D 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 under voltage 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 seven standard under voltage 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

PIN CONNECTIONS AND

MARKING DIAGRAM

• Quiescent Current of 1.0 µA Typical

• High Accuracy Under Voltage 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

Reset

Gnd

N.C.

Output

Typical Applications

• Microprocessor Reset Controller

• Low Battery Detection

• Power Fail Indicator

xxx = 304 or 305

= Date Code

(Top View)

• Battery Backup Detection

ORDERING INFORMATION

See detailed ordering and shipping information in the ordering

information section on page 23 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

Semiconductor Components Industries, LLC, 2001

Publication Order Number:

June, 2001 – Rev. 7

NCP304/D

12 3 4 5 6 7...24

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