M62055FP Datasheet PDF

MITSUBISHI M62055FP 3V POWER SUPPLY with WATCHDOG TIMER GENERAL DESCRIPTION M62055FP is a 3V power ...

MITSUBISHI M62055FP 3V POWER SUPPLY with WATCHDOG TIMER GENERAL DESCRIPTION M62055FP is a 3V power supply featuring a watchdog timer function for a microcontroller system. It can be a power source of 3V ± 5% by utilizing the reference voltage and amplifier. It can also generate a reset pulse for the applied systems during power-on, moreover it includes the watchdog timer for a self diagnostics of the system, which can prevent system erroneous functions. PIN CONFIGURATION(TOP VIEW) GND WD TC Vcc CLM VDD VOC M62055FP FEATURES Power-on reset Watchdock timer High accuracy voltage source of 3V ±5% (max) Overcurrent protection circuit The voltage detection accuracy of ±5% (max) Output power (Vo) cutoff function at erroneous conditions Backward voltage protection circuits for inputs and outputs RESET Outline 8P2S APPLICATION Handy information terminal equipment, CD-ROM, Portable audio equipment. BLOCK DIAGRAM Vcc CLM Vcc Vcc VD Vcc VO Note ; It indicates Vo, unless otherwise noted VOLTAGE DETECTOR (CURRENT LIMITER) The input and output reversal conservation circuit START CIRCUIT 56K 40K Vref =1.25v Vcc Set priority R S Q Q Reset priority R S Q Q Vref . =0.9v . Set priority RISE DELAY (300µsec) Vref . =1.25v . Vref . =1.5v . S Q Q Reset priority R S Q Q Reset priority S R Q Q R Vref . =1.5v . GND WD TC RESET MITSUBISHI (1/6) 970508 MITSUBISHI M62055FP 3V POWER SUPPLY with WATCHDOG TIMER Pin Funct...