Overview

The LA5690 is a single-chip voltage regulator for microcomputer system monitor use that performs the functions of 5V output voltage control, watchdog timer, and voltage detector. The LA5690 uses a minimum number of parts to provide the basic functions.

Features

• An external PNP transistor can be used to provide a low-saturation voltage regulator.

• CK input with edge detector.

• Variable detection voltage.

• Reset output with pull-up resistor of 10kΩ.

Functions

• Output voltage 5V control.

• Watchdog timer.

• Power-ON reset function.

• Positive/negative logic output for reset.

Applications

• Microcomputer system for car equipment, refrigeration/heating equipment, office automation equipment.