AL8806MP8-13 Diodes Zetex, AL8806MP8-13 Datasheet
AL8806MP8-13
Specifications of AL8806MP8-13
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AL8806MP8-13 Summary of contents
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Description The AL8806 is a step-down DC/DC converter designed to drive LEDs with a constant current. The device can drive LEDs, depending on the forward voltage of the LEDs, in series from a voltage source of 6V ...
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Pin Descriptions Pin Pin Number Name MSOP-8EP Switch Pin. Connect inductor/freewheeling diode here, minimizing track length at this pin to reduce EMI. GND 2, 3 GND Pin Dimming and On/Off Control Input. • Leave floating for normal ...
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Electrical Characteristics o V =12V, T =25 C, unless otherwise specified Symbol Parameter V Internal regulator start up threshold V INSU Internal regulator hysteresis V INSH threshold I Quiescent current Q I Input supply Current S V Set ...
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Typical Performance Characteristics . 400 CTRL 350 SET ° A 300 250 200 150 100 ( Supply Current (not ...
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V ( vs. Input Voltage CTRL (CTRL pin open circuit) AL8806 (Preliminary) Document number: DS35144 Rev HIGH EFFICIENCY 30V 1.5A BUCK LED DRIVER ...
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Typical Performance Characteristics Continued 5.0 V 4.5 1 LED R 4 68µH 3.5 3.0 2.5 LED Current Error 2.0 I LED 1.5 1.0 0.5 0.0 0% 20% 40% 60% PWM Duty Cycle I vs. PWM Duty Cycle LED ...
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AL8806 (Preliminary) Document number: DS35144 Rev HIGH EFFICIENCY 30V 1.5A BUCK LED DRIVER (PRELIMINARY www.diodes.com AL8806 February 2011 © Diodes Incorporated ...
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Typical Performance Characteristics (1A LED current) 10 LEDs 4 LEDs 5 LEDs 2 LEDs 6 LEDs LED 0% - 100µH - 100mΩ 25°C -6% A -8% -10% ...
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Typical Performance Characteristics (1.5A LED current 25° 68mΩ 33µH unless otherwise stated A S TBD LED current deviation vs Input voltage AL8806 (Preliminary) Document number: DS35144 Rev HIGH EFFICIENCY 30V 1.5A ...
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Applications Information AL8806 Operation In normal operation, when voltage is applied at +V sense resistor R , inductor L1, and the LEDs. The current ramps up linearly, and the ramp rate is determined by the input SET voltage +V and ...
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Applications Information (cont.) PWM Dimming LED current can be adjusted digitally, by applying a low frequency Pulse Width Modulated (PWM) logic signal to the CTRL pin to turn the device on and off. This will produce an average output current ...
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Applications Information (cont.) PWM Dimming (cont.) The PWM pin is designed to be driven by both 3.3V and 5V logic levels directly from a logic output with either an open drain output or push-pull output stage. Soft Start The AL8806 ...
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Applications Information (cont.) Reducing output ripple Peak to peak ripple current in the LED(s) can be reduced, if required, by shunting a capacitor C2 across the LED(s) as shown already in the circuit schematic. A value of 1μF will reduce ...
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Applications Information (cont.) 1800 1600 1400 1200 1000 800 600 400 200 PCB Layout When laying out the PCB for the AL8806 the following should be observed: 1. the capacitor C1 has to be placed as close as possible to ...
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... Tape & Reel 13 : 13” Tape & Reel 7” Tape and Reel Packaging (Note 5) Quantity Part Number Suffix MSOP-8EP 2500/Tape & Reel (Top View) (Top View) AL8806 AL8806 Part Number Package AL8806MP8-13 MSOP-8EP www.diodes.com AL8806 Lifecycle status -13 Pre-production February 2011 © Diodes Incorporated ...
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DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY ...