aoz1950 Alpha & Omega Semiconductor, aoz1950 Datasheet - Page 8

• Manufacturer Part Number: aoz1950
• Description: Boost Regulator White Led Driver
• Manufacturer: Alpha & Omega Semiconductor

Digital Dimming Characteristics
Rev. 1.0 January 2010
Figure 13. Digital Dimming Switching Waveforms for PWM Duty Ratio
12 LEDs, f
12 LEDs, f
12 LEDs, f
PWM
PWM
PWM
= 1kHz, PWM Duty = 90%
= 1kHz, PWM Duty = 10%
= 1kHz, PWM Duty = 50%
500μS/div
500μS/div
500μS/div
www.aosmd.com
ILED Current
100mA/div
IL Current
(500mA/div)
LX
50V/div
PWM Signal
5/div
ILED Current
100mA/div
IL Current
(500mA/div)
LX
50V/div
PWM Signal
5/div
ILED Current
100mA/div
IL Current
(500mA/div)
LX
50V/div
PWM Signal
5/div
AOZ1950
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