LDS8724008T2-200 datasheet(3/10 Pages) IXYS

Part #	LDS8724008T2-200

Description	40 WLED Driver with Boost Converter

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Manufacturer	IXYS [IXYS Corporation]

Direct Link	http://www.ixys.com

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LDS8724

3

Doc. No. 8724DS, Rev. N1.0

Characteristics subject to change without notice

TYPICAL CHARACTERISTICS

Vin = 3.6V, IOUT = 75mA ( 3 strings with 4 LEDs at 25 mA per string, CIN = 1 μF, COUT = 1μF, L = 22 µH, TAMB = 25°C unless otherwise specified

Power Efficiency vs. Input Voltage

LED Current per string vs. Input Voltage

LED Current vs. PWM Duty Cycle

LED Current Error vs. PWM Frequency

Soft Start Waveforms

Ch 1 (yellow) – EN pin, Ch 2 (green) – SW node voltage

Ch 3 (red) – Inductor current, Ch 4 (blue) - VOUT

Operating Waveforms

Ch 1 (yellow) - SW node voltage,

Ch 3 (red) – Inductor current

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