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MA2001A

Major Power Technology Co., Ltd.

Rev.1.1

Nov 23, 2013

Switching Frequency

0.75

1

1.25 MHz

N-Channel MOSFET

Current Limit (Note1)

-

1.4

-

A

Duty on 50%

-

1.9

-

A

Switching Maximum Duty

Dmax

-

92

-

%

Dimming clock rate

0.2

-

200

KHz

-

0.5

1.0

Thermal Shutdown

-

155

-

°C

Thermal Shutdown

Protection hysteresis

-

25

-

°C

N

ote1: Guaranteed by design.

APPLICATION CIRCUIT

FUNCTION DESCRIPTION

Application circuit item shows the basic application circuit with MA2001A adjustable

output version. The external resistor sets the LED output current according to the

following equation:

RSET

20mA

10

4mW

350mA

0.570

70mW