LDS8711
TYPICAL CHARACTERISTICS
Vin = 3.6V, I OUT = 30mA (10 LEDs per string), C IN = 1 μ F, C OUT = 1 μ F, L = 22 μH, T AMB = 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) - V OUT
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) - V OUT
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) - V OUT
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) - V OUT
? 2010 IXYS Corp.
Characteristics subject to change without notice
5
Doc. No. 8711DS, Rev. N1.0
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