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MA2001B

Major Power Technology Co., Ltd.

Rev.1.1

Jan.10, 2014

BLOCK DIAGRAM

GND

OVP

+

-

+

OSCILLATOR

+

-

COMP

ILIMIT

EA

REFERENCE

and BIAS

SOFTSTART

EN

FB

SW

VCC

Thermal

Shutdown

OVP

Current

Sense

PWM

CONTROL

LOGIC

UVLO

and POR

Enable

Logic

DRIVER

10ms

LPF

Shutdown

PIN ASSIGNMENT

The package of MA2001B are SOT23-6L & TSOT23-6L ; the pin assignment is given by:

Name

Description

VCC

Power Input Pin

GND

Ground Pin.

FB

Feedback Pin.

EN

Chip Enable & Dimming pin. Active

high. Internal pull low.

OVP

Over voltage detect pin

SW

Switching Pin

ORDER/MARKING INFORMATION

Order Information

Top Marking