Datasheet > AMLDP-Z_13

AMLDP-Z_13

更新时间： 2022-06-05 19:14:30

品牌	Logo	应用领域
AIMTEC		驱动器
页数	文件大小	规格书
18页	1112K
描述
Up to 1000mA \| LED Driver

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数据手册

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AMLDP-Z_13 数据手册

Series AMLDP-Z

Up to 1000mA | LED Driver

Output Current Adjustment by External DC Control Voltage:

The nominal output current is given by:

Vadj

+Vout

1^stLED

Ioutnom = Iout

VADJ

1.25

AMLDP-Z

0.3 -1.25V

-Vout

-Vin

Last LED

Vctrl

+5v

GND

30K

+Vout

-Vout

+Vin

1^stLED

VADJ

AMLDP-Z

-Vin

4.7K

10K

+Vout

-Vout

1^stLED

VADJ

AMLDP-Z

-Vin

TL431

10K

VADJ =

X Vctrl

R1 + R2

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

The nominal output current is given by:

AMLDP-Z

-Vin

-Vout

Ioutnom= Iout x Radj

Radj + 200K

CADJ

RADJ

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

If the value of Radj is between 0 to 2MΩ, the maximum adjustment range will be 25% to 90%, (for Vin –Vout <10VDC)

www.aimtec.com

F 051e R12.D

Tel: +1 514 620 2722

4 of 18

Toll free: + 1 888 9 AIMTEC

(924 6832)

North America only

1 2 345 6 7...18

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