ISL81805FRTZ-T中文資料瑞薩數(shù)據(jù)手冊PDF規(guī)格書

Features

? Wide input voltage range: 4.5V to 80V

? Wide output voltage range: 5V to 80V

? Four MOSFET drivers with adaptive shoot-through

protection

? 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 1MHz

? 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