HA1835P Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics
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HA1835P Datasheet PDF : 13 Pages
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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
• Regulated power supply control function
Wide area of operational voltage; VCC = 6 V to 30 V
Available external PNP-type transistor, suited to any system power supply
Built-in overcurrent limiter for external PNP-type transistor
Output voltage can be adjusted exactry in the range from 4 V to 6 V
• Watchdog timer
Internal bandpass filter control circuit (pulse width detect type) and reset signal oscillator
Fail-safe utility
Bandpass filter characteristics can be set by external resister (Rf) and capacitance (Cf)
• Automatic reset
Automatic power-on reset
Pulse generator characteristics can be set by external resistor (RR) and capacitance (CR)
Alternative between RES and RES output
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