PDF《适用于升压和 SEPIC 稳压器的 LM5022 60V 低侧控制器》

200 230 kHz RT to GND = 27.4 kΩ See(4)

525 600

675 kHz RT to GND = 16.2 kΩ See(4)

865 990

1115 kHz VSYNC-HI Synchronization rising threshold 3.8 V PWM COMPARATOR tCOMP-DLY Delay from COMP to OUT transition VCOMP =

2 V, CS stepped from

0 V to 0.4 V

25 ns DMIN Minimum duty cycle VCOMP =

0 V 0% DMAX Maximum duty cycle 90% 95% APWM COMP to PWM comparator gain 0.33 V/V VCOMP-OC COMP pin open circuit voltage VFB =

0 V 4.3 5.2 6.1 V ICOMP-SC COMP pin short circuit current ........