Series AMLBW-Z

Up to 700mA | Step Up LED Driver

www.aimtec.com

Tel: +1 514 620 2722

Toll free: + 1 888 9 AIMTEC

(924 6832)

F 051e R12.B

7 of 8

North America only

Output Current Adjustment by PWM Control:

A Pulse Width Modulation (PWM) signal with a duty cycle DPWM can be applied to the DIM pin as shown below.

AMLBW-Z

-Vin

+LED

1

1

-LED

PWM

0V

5V

DIM

Last LED

+Vin

1

4

2

5

6

3

EN

Driving DIM Via Open Collector Transistor

The DIM pin can also be driven via an open collector transistor as shown below.

AMLBW-Z

-Vin

+LED

1

1

-LED

PWM

GND

Last LED

210K

+5V

12K

+Vin

DIM

2SD1782K

1

4

5

6

2

3

EN

Driving the VADJ from a Microcontroller

The DIM can be driven from an open drain output of a microcontroller as shown below.

AMLBW-Z

-Vin

+LED

1

1

-LED

MCU

DIM

Last LED

+Vin

+5V

2SK3018

12K

GND

1

4

2

5

6

3

EN