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LDS8681 Datasheet(PDF) 3 Page - IXYS Corporation

Part No. LDS8681
Description  800 mA, Dual Output LED Flash/PWM Dimming Lamp Driver
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Maker  IXYS [IXYS Corporation]
Homepage  http://www.ixys.com
Logo IXYS - IXYS Corporation

LDS8681 Datasheet(HTML) 3 Page - IXYS Corporation

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LDS8681
© 2009 IXYS Corp.
3
Doc. No. 8681_DS, Rev. N1.0
Characteristics subject to change without notice
TYPICAL CHARACTERISTICS
VIN = 3.6V, IOUT = 800 mA (2 LEDs at 400mA), CIN = C1= 1μF, COUT = 2 μF, TAMB = 25°C unless otherwise specified
Power-Up in 1-x mode
VIN = 4.2 V, Ch1 – PWM, Ch2 – LED current (400 mA/div),
Ch3 – Output voltage
Power-Up in 2-x Mode
VIN = 3.6 V, Ch1 – PWM, Ch2 – LED current (400 mA/div),
Ch3 – Output voltage
Operating Waveforms at 1kHz PWM mode
10% Duty Cycle
VIN = 4.2 V, Ch1 – PWM, Ch2 – LED current (400 mA/div)
Operating Waveforms at 1kHz PWM mode
90% Duty Cycle
VIN = 4.2 V, Ch1 – PWM, Ch2 – LED current (400 mA/div)
LED Current Setting Error vs. Duty Cycle
Power-Down Delay (1-x Mode)
VIN = 4.2 V, Ch1 – PWM, Ch2 – LED current (400 mA/div)


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