SI-8105QL Step-Down Switching Regulator with Current-Mode Control
Features and Benefits
▪ Current-mode control system e...
SI-8105QL Step-Down Switching Regulator with Current-Mode Control
Features and Benefits
▪ 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 ▫ Overtemperature protection ▫ Under
voltage lockout (UVLO)
Package: 8-pin DIP
Description
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...
