SP7120 Datasheet, PDF (14/17 Pages) Sipex Corporation – 2 or 3 Channel Low Dropout High Side Linear LED Driver

TYPICAL PERFORMANCE SP7122B
IOUT is for 3 channels 20mA per channel
IOUT is for 3 channels 20mA per channe
PWM Minimum on time 15µS 20kHz
CH1: PWM Signal CH2: Anode of LED
CH4: LED current 10mA/div
PWM High Duty Cycle 20kHz
CH1: PWM Signal CH2: Anode of LED
CH4: LED current 10mA/div
PWM Low Duty Cycle 5kHz
CH1: PWM Signal CH2 Anode of LED
CH4: LED current 10mA/div
PWM 50%Duty Cycle 5kHz
CH1: PWM Signal CH2 Anode of LED
CH4: LED current 10mA/div
Jun29-07 RevD
SP7120/22 Low Dropout LED Driver
page 14
© 2007 Sipex Corporation