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MA2001B

Major Power Technology Co., Ltd.

Rev.1.1

Jan.10, 2014

EN Pin sink Current

-

1

-

A

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 MA2001B adjustable

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

following equation:(

RSET

20mA

12.5

5mW

350mA

0.714

87.5mW