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MA2009

Major Power Technology Co., Ltd.

Rev 1.0 Sep. 14, 2016



BLOCK DIAGRAM

GND

OSCILLATOR

+

-

COMP

ILIMIT

EA

REFERENCE

0.6V

EN

FB

SW

VCC

PWM

CONTROL

LOGIC

UVLO

and POR

Enable

DRIVER

+



PIN ASSIGNMENT

The package of MA2009 is SOT23-6L; the pin assignment is given by:

( Top View )

FB

NC

SW

GND

EN

VIN

Name

Description

SW

Power Switch Output. SW is the drain of

the internal MOSFET switch. Connect the

power inductor and output rectifier to SW.

SW can swing between GND and 28V.

GND

Ground Pin.

FB

Feedback Input. The FB voltage is 0.6V.

Connect a resistor divider to FB.

EN

Regulator On/Off Control Input. A high

input at EN turns on the converter,

VIN

Input Supply Pin.



ORDER/MARKING INFORMATION

Order Information

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