LDS8680 datasheet(5/12 Pages) IXYS

Part #	LDS8680

Description	800 mA White LED Driver for Photo Flash

PDF	12 Pages

Scroll/Zoom	100%

Manufacturer	IXYS [IXYS Corporation]

Direct Link	http://www.ixys.com

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5 / 12 page

LDS8680

Doc. No. 8680_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 – EN/SET, Ch2 – LED current (400 mA/div),

Ch3 – Output voltage

Power-Up in 2-x Mode

VIN = 3.6 V, Ch1 –EN/SET, Ch2 – LED current (400 mA/div),

Ch3 – Output voltage

Operating Waveforms at 1kHz PWM mode

10% Duty Cycle

VIN = 4.2 V, Ch1 – EN/SET, Ch2 – LED current (400 mA/div)

Operating Waveforms at 1kHz PWM mode

90% Duty Cycle

VIN = 4.2 V, Ch1 –EN/SET, Ch2 – LED current (400 mA/div)

LED Current Setting Error vs. Duty Cycle

in PWM Mode

Power-Down Delay (1-x Mode)

VIN = 4.2 V, Ch1 – PWM, Ch2 – LED current (400 mA/div)

LDS8680 Datasheet(PDF) 5 Page - IXYS Corporation