XRP7708 Datasheet, PDF (9/27 Pages) Exar Corporation – Quad Channel Digital PWM Step Down Controller

XRP7708
Quad Channel Digital PWM Step Down Controller
Fig. 10: Sequential Start-up Configuration
CH1:3.3V CH2:5V CH3:1V CH4:1.8V
Fig. 11: Sequential Soft-Stop Configuration
CH1:5V CH2:3.3V CH3:1.8V CH4:1.2V
Vout Shutdown = 0.8V, 3A load
Fig. 12: Startup into 3V prebias – 5V Output
CH1: Vout(5V)
Fig. 13: Sequential Soft-Stop Configuration
Vout Shutdown = 0.8V, No Load
CH1:3.3V CH2:5V CH3:1V CH4:1.8V
Fig. 14: Load Transient Response
CH1:Iout (1A/div) CH2: Vout (3.3V)
© 2010 Exar Corporation
9/27
Rev. 1.0.3