Features
▪ Wide input voltage range: 4.5V to 80V
▪ Wide output voltage range: 5V to 80V
▪ Gate drive voltage: 5.3V
▪ Four FET drivers
▪ Constant output voltage and output current
feedback loop control
▪ Light-load efficiency enhancement
• Low ripple diode emulation and burst mode
operation
▪ Programmable soft-start
▪ Supports startup into pre-biased rails
▪ Programmable frequency: 100kHz to 2MHz
▪ Support current sharing with cascade phase
interleaving
▪ External clock sync
▪ Clock out with accurate phase angle controlled by
PLL or frequency dithering
▪ PGOOD indicator
▪ Input current monitor
▪ Selectable mode between PWM/DE/Burst
▪ Accurate EN/UVLO threshold: ±2%
▪ Low shutdown current: 5μA
▪ Complete protection: OCP (pulse by pulse and
optional hiccup or constant current mode), OVP,
OTP, and UVP