HA1848P Datasheet

IC型號：
HA1848P
PDF描述：
Watchdog Timer
文件大?。?/label>
61.01KB
PDF頁數(shù)：
13頁
芯片廠家：
HITACHI

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HA1835P/HA1848P

Watchdog Timer

Description

The HA1835P and HA1848P is a monolithic voltage regulator control designed for microcomputer

systems. In addition to the voltage regulator, it include watchdog timer function and power-on reset

function.

These ICs can perform many function in various microcomputer systems with few external parts.

Features

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Regulated power supply control function

錚?/div>

Wide area of operational voltage; V

= 6 V to 30 V

錚?/div>

Available external PNP-type transistor, suited to any system power supply

錚?/div>

Built-in overcurrent limiter for external PNP-type transistor

錚?/div>

Output voltage can be adjusted exactry in the range from 4 V to 6 V

鈥?/div>

Watchdog timer

錚?/div>

Internal bandpass filter control circuit (pulse width detect type) and reset signal oscillator

錚?/div>

Fail-safe utility

錚?/div>

Bandpass filter characteristics can be set by external resister (Rf) and capacitance (Cf)

鈥?/div>

Automatic reset

錚?/div>

Automatic power-on reset

錚?/div>

Pulse generator characteristics can be set by external resistor (R

) and capacitance (C

)

錚?/div>

Alternative between

RES

and RES output

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