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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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PI3101 데이터시트(PDF) 1 Page - Vicor Corporation |
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PI3101 데이터시트(HTML) 1 Page - Vicor Corporation |
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1 / 18 page  Picor Corporation • picorpower.com PI3101-00-HVIZ Rev 1.1, April 29 th, 2010 Page 1 of 18 PI3101 Cool-Power TM Series 36-75V Input, 3.3V / 18A / 60W Output Very High Density Isolated DC-DC Converter (400W/in 3) Description The Cool-Power TM PI3101 is a very high density isolated DC-DC converter implementing a high efficiency soft-switching power architecture. The PI3101 operates over a wide range input of 36V to 75Vdc, delivering ~60W of output power (3.3Vout @ 18A), yielding an unprecedented power density of 400W/in 3. The PI3101 is available in a space saving surface mountable 0.87” x 0.65” x 0.265” package, achieving ~50% space reduction versus conventional solutions. The switching frequency of 900kHz allows for small input and output filter components which further reduces the total size and cost of the overall system solution. The output voltage is sensed and fed back to the internal controller using a proprietary isolated magnetic feedback scheme which allows for high bandwidth and good common mode noise immunity. The PI3101 requires no external feedback compensation and offers a total solution with a minimum number of external components. A rich feature set is offered, including output voltage trim capability, output over-voltage protection, adjustable soft-start, over-current protection with auto-restart, over and under input voltage lockout and a temperature monitoring and protection function that provides an analog voltage proportional to the die temperature as shut down and alarm capabilities. PI3101-00-HVIZ 36-75Vin, 3.3Vout, 18A Very High Density Isolated DC-DC Converter Features Efficiency up to 87% High switching frequency minimizes input filter requirements and reduces output capacitance Proprietary “Double-Clamped” ZVS Buck-Boost Topology Proprietary isolated magnetic feedback Small footprint (0.57 in 2) enables PCB area savings Very low profile (0.265 in) Wide input voltage range operation (36-75Vdc) On/Off Control, positive logic +10/-10% Trim Temperature Monitor (TM) & Over-Temperature Protection (OTP) Input UVLO & OVLO and output OVP Over current protection with auto restart Adjustable soft-start 2250V input to output isolation Applications Power Over Ethernet (PoE) Communications Telecom Systems Network Power Package Information Surface Mountable 0.87” x 0.65” x 0.265” package Typical Application Schematic Diagram Figure 1 Picor PI3101 Shown With System Fuse, Filter, Decoupling And Extended Soft Start |
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