ISL81802FRTZ-T中文资料瑞萨数据手册PDF规格书

特性 Features

• Wide input voltage range: 4.5V to 80V

• Wide output voltage range: 0.8V to 76V

• 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

• Supports current sharing with cascade phase

interleaving

• External clock sync

• Clock out with accurate phase angle controlled by

PLL or frequency dithering

• PGOOD indicator

• Output current monitor

• Selectable mode between PWM/DE/Burst

• Accurate EN/UVLO threshold: ±2

• Low shut down current: 5μA

• Complete protection: OCP (pulse by pulse and

optional hiccup or constant current mode), OVP,

OTP, and UVP