• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.

• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.

MITSUMI

The quasi resonant control IC for AC-DC converter MM3661 Series

Block Diagram

GND

VDD

GATE

HV

PSTB

FB

CS

DMG

PCHG

5V

5V

Min_ON

Max_ON

F-Blank

×4.8

S/H

Delay

Latch

Latch

UVLO

REG

Driver

FF

S

RQ

Time_out

500ns

9µs

50µs

200ms

Delay

120µs

OCP

60mV

0.5V

OFF_FB

0.5V

FB

2.5V

OVP

26V

Delay

120µs

OVP

8V

DMG

Delay

280ms

OLP

4V

230V

5V