AL5812EV3 Просмотр технического описания (PDF) - Diodes Incorporated.
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AL5812EV3 Datasheet PDF : 8 Pages
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AL5812EV3 User Guide
150mA, 60V Low-side Adjustable Linear LED Driver
II) Current LED String Procedure in Low side current LED configuration with PWM dimming
1. The evaluation board can be configured as Low side current LED configuration with use
of PWM dimming.
2. Ensure that the DC source is switched OFF or disconnected.
3. Connect the DC line wires of power supply to VIN and GND terminals on the board.
4. Connect the anode wire of external LED string to VIN of the board.
5. Connect the cathode wire of external LED string to LED terminal of the board.
6. Load 10KΩ to R2 on the board. Do not load any components on R1 and R3.
7. Insert external MOSFET across R3 pads of the board for PWM dimming control.
8. Ensure that the area around the board is clear and safe, and preferably that the board
and LEDs are enclosed in a transparent safety cover.
9. Turn on the main switch. LED string should light up with LED.
AL5812EV3 Rev2
January 2013
www.diodes.com
Page 4 of 8
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