LDS8720 datasheet(3/10 Pages) IXYS

Part #	LDS8720

Description	184 WLED Matrix Driver with Boost Converter

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Manufacturer	IXYS [IXYS Corporation]

Direct Link	http://www.ixys.com

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LDS8720

3

Doc. No. 8720DS, Rev. N1.1

Characteristics subject to change without notice

TYPICAL CHARACTERISTICS

Vin = 3.6V, IOUT = 30mA (1 string with 10 LEDs, CIN = 1 μF, COUT = 1μF, L = 22 µH, TAMB = 25°C unless otherwise specified

Power Efficiency vs. Input Voltage

LED Current 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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