STK7561F - Sanyo Semicon Device

STK7561F Chopper Type Parallel 2-Output Voltage Regulators

of Operation of Internal Blocks [OSC] External excitation type OSC circuit where the CMOS NAND gate-used ring OSC is formed by the 2-stage NAND circuit, delivering basic pulses. This circuit provides pulse width modulation where the frequency is constant and the duty only varies. [PWM] Pulse width modulation (PWM) is provided by differentiating the output o.

Features

• ICs ha ving 2 outputs for microcomputer po wer suppl y (5V) and motor drive power supply (12, 15, 24, 36V) and being capable of deli vering 2 r egulated outputs fr om 1 rectifier.
• Good efficiency due to chopper type and no bea t trouble due to fixed oscillation type oscilla tor common to 2 outputs.
• Independent o vercurrent protectors f or 2 outputs (F oldback characteristics).
• Output 2 (drive power supply) can be turned ON/OFF by external signal. Two outputs can be also turned ON/OFF simultaneously by an e xternal cir cuit connected (Refer to Sample Application Circuit).
• High-precisi.