SP7120 Datasheet, PDF (11/17 Pages) Sipex Corporation – 2 or 3 Channel Low Dropout High Side Linear LED Driver

The quiescent current is part of the total output current
TYPICAL PERFORMANCE SP7122A
IOUT is for 3 Channels 15mA per channel
IOUT is for 3 Channels 15mA per channel
50% Duty Cycle 5Khz PWM
CH1: PWM Signal CH2: Anode of LED
CH4: LED current 10mA/div
Low duty cycle 5Khz
CH:1 PWM Signal CH2: Anode of LED
CH4: LED current 10mA/div
Minimum On time 15µS 20kHz PWM
CH1: PWM Signal CH2: Anode of LED
CH4: LED current 10mA/div
High Duty Cycle 20kHz
CH1: PWM Signal CH2: Anode of LED
CH4: LED current 10mA/div
Jun29-07 RevD
SP7120/22 Low Dropout LED Driver
page 11
© 2007 Sipex Corporation