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 prot...