SI-8105QL - Sanken

SI-8105QL Step-Down Switching Regulator

The SI-8105QLis a step-down switching regulator IC, designed as an output voltage regulator at the secondary stage of switch mode power supplies.The current-mode control system permits small ceramic capac.

Features

▪ Current-mode control system employed ▪ Excellent line regulation (60 mV maximum) ▪ 165 mΩ maximum on-resistance of built-in MOSFET ▪ Output current 3.5 A ▪ Wide range of input voltages (4.75 to 28 V), supports 24 V direct drive ▪ Output voltage 0.5 to 24 V, compatible with various IC power supply voltages, through low VREF of 0.5 V. ▪ High efficiency, 94% maximum at VIN = 8 V, VO = 5 V, and IO = 0.5 A ▪ Operating frequency 350 kHz, supports downsizing of smoothing choke coil ▪ Soft start and output on/off functions built-in ▪ Built-in protection: ▫ Drooping overcurrent protection ▫ Overtempe.