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LDS8720 Datasheet(PDF) 4 Page - IXYS Corporation

Part No. LDS8720
Description  184 WLED Matrix Driver with Boost Converter
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Manufacturer  IXYS [IXYS Corporation]
Direct Link  http://www.ixys.com
Logo IXYS - IXYS Corporation

LDS8720 Datasheet(HTML) 4 Page - IXYS Corporation

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LDS8720
© 2011 IXYS Corp.
4
Doc. No. 8720DS, Rev. N1.1
Characteristics subject to change without notice
TYPICAL CHARACTERISTICS
Vin = 3.6V, IOUT = 30mA (10 LEDs per string), CIN = 1 μF, COUT = 1μ
F, L = 22 µH, TAMB = 25°C unless otherwise specified
Waveforms at PWM LED Current Regulation
Ch 1 (yellow) – PWM signal at 1 kHz 5% duty cycle
C2 (green) – SW node voltage, Ch 3(red) – LED Current.
Ch4 (blue) - VOUT
Waveforms at PWM LED Current Regulation
Ch 1 (yellow) – PWM signal at 1 kHz 98% duty cycle
C2 (green) – SW node voltage, Ch 3(red) – LED Current.
Ch4 (blue) - VOUT
Waveforms at PWM LED Current Regulation
Ch 1 (yellow) – PWM signal at 30 kHz 25% duty cycle
C2 (green) – SW node voltage, Ch 3(red) – LED Current.
Ch4 (blue) - VOUT
Waveforms at PWM LED Current Regulation
Ch 1 (yellow) – PWM signal at 30 kHz 98% duty cycle
C2 (green) – SW node voltage, Ch 3(red) – LED Current.
Ch4 (blue) - VOUT


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