Switching Power Supply       

Power system optimization
  		 

General Description

SiTI's supervisor IC can accurately monitor and control the outputs of the switching power supply system. Our products are completely integrated requiring only few external components and reducing PCB board space for today's advance power supply.

Approved by Dell, HP, IGM, and Fujitsu-Siemens, SiTI's power supervisor series offers a high-quality and cost-effective solution to meet your design challenges. SiTI also offers competitive pricing, samples, technical support within 24 hours that will bring you every success!

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Applications

The secondary monitoring IC and fan speed control series are specially designed for Desktop PC power supply. They can also be used in other applications such as Set-top-box/DVD player/ Server/ Redundant/ X-BOX power.

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    Part Number Application Main features
       PS113 ¡@ 250W Power supply for desktop PC, server, and DVD player ¡@ 3-channel secondary monitoring IC(3.3V, 5V, 12V OV/UV protection)  
       PS113A ¡@ 250W Power supply for desktop PC, server, and DVD player ¡@ 3-channel secondary monitoring IC(3.3V, 5V, 12V OV/UV protection)  
       PS222S ¡@ 250W~600W Power supply for desktop PC and server ¡@ 3- channel secondary monitoring IC with over-current protection and an additional 12V OCP channel  
       PS223 ¡@ 250W~600W Power supply for desktop PC and server ¡@ 4-Channel Secondary Monitoring IC  
       PS236 ¡@ 250W~600W Power supply for Projector ¡@ 3-channel secondary monitoring IC with over-current protection and an additional OCP channel  
       PS238 ¡@ 8-Channel secondary monitoring IC ¡@ 8 OCP + 8 UVP + 8 OVP +1 OTP  
       PS121 ¡@ Reset circuit for microcomputer ¡@ Voltage detecting/system resetting IC  
       PS231S ¡@ 5-Channels monitor IC ¡@ 5-Channels monitor IC  
       PS232F ¡@ 6-Channels monitor IC ¡@ 6-Channels monitor IC  
       FC120 ¡@ Power supply cooling fan: NLX/ATX/PS98 fan control compliant ¡@ Linear fan speed control by temperature sensing  
       FC121 ¡@ Power supply cooling fan: NLX/ATX/PS98 fan control compliant ¡@ Linear fan speed control by programmable input and temperature sensing  
       FC122 ¡@ Power supply cooling fan: NLX/ATX/PS98 fan control compliant ¡@ Linear fan speed control and adjustable fan start voltage  
       ST1141A ¡@ Power supply cooling fan: NLX/ATX/PS98 fan control compliant ¡@ Adjustable I/O voltage mapping for wide range of application design  


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