Datasheet > AMLDLW-3035Z

AMLDLW-3035Z

更新时间： 2024-02-06 05:52:19

品牌	Logo	应用领域
AIMTEC		驱动器
页数	文件大小	规格书
11页	322K
描述
Up to 1000mA \| LED Driver

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中文翻译

获取价格

数据手册

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AMLDLW-3035Z 数据手册

Series AMLDLW-Z

Up to 1000mA | LED Driver

Resistive Dimming Control

A simplified dimming control can be achieved using a variable resistor connected between VADJ and GND. Capacitor CADJ

is optional, it is installed to limit AC mains interference and high frequency noise. The recommended value of CADJ is

0.22µF.

+Vout

1^stLED

VADJ

AMLDLW-Z

-Vout

-Vin

CADJ

RADJ

NOTE: Typical error is ±10% with resistive dimming control

Output Current Adjustment by PWM Control:

Driving VADJ Directly

A Pulse Width Modulated (PWM) signal with a duty cycle of DPWM can be applied directly to VADJ pin as shown below.

The output current is given by:

0.1 x DPWM

[for 0<DPWM<1]

+Vout

-Vout

Iout ˜

1^stLED

PWM

VADJ

AMLDLW-Z

-Vin

1.25V

Model Number

AMLDLW-3035Z

AMLDLW-3050Z

AMLDLW-3070Z

AMLDLW-30100Z

Last LED

0.280

0.197

0.1388

0.095

GND

Driving VADJ Via Open Collector Transistor

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

The diode and resistor serve to suppress any possible high amplitude negative voltage spikes to the VADJ input resulting

from the collector to emitter capacitance of the transistor. Any negative voltage spikes will cause errors in output current

and/or unstable driver operation.

+Vout

1^stLED

VADJ

AMLDLW-Z

-Vin

PWM

1.25V

-Vout

10K

Last LED

GND

www.aimtec.com

F 051e R9

Tel: +1 514 620 2722

4 of 11

Toll free: + 1 888 9 AIMTEC

(924 6832)

North America only

1 2 345 6 7...11

中文翻译

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