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STS9015CAT Datasheet The Si91845/6 is a 150-mA CMOS LDO (low dropout) voltage regulator. It is the perfect choice for low voltage, low power applications. An ultra low ground current and ultra fast turn-on make this part attractive for battery operated power systems. The Si91845/6 also offers ultra low dropout voltage to prolong battery life in portable electronics. Systems requiring a quiet voltage source will benefit from the Si91845/6's low output noise. The Si91845/6 is designed to maintain regulation while delivering 300-mA peak current, making it ideal for systems that have a high surge current upon turn-on. STS9015CAT Price
STS9015CAT on stock NOTES FOR STABLE AND SAFE OPERATION ; ~ Design the PCB pattern to minimize wiring length between opto-coupler and IPM's input terminal, and also to minimize the stray capacity between the input and output wirings of opto-coupler. *Quick opto-couplers: TPLH, TPLH < 0.8Us. Use High CMR type. The line between opto-coupler and intelligent module should be shortened as much as possible to minimize the floating capacitance. ,Slow switching opto-coupler: recommend to use at CTR = 100 ~ 200%, Input current = 8 ~ 10mA, to work in active. *Use 4 isolated control power supplies (VD). Also, care should be taken to minimize the instantaneous voltage charge of the power supply. ,Make inductance of DC bus line as small as possible. and minimize surge voltage using snubber capacitor between P and N terminal. * Use line noise filter capacitor (ex. 4.7nF) between each input AC line and ground to reject common-mode noise from AC line and improve noise immunity of the system.
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