7700B BI Technologies, 7700B Datasheet
7700B
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7700B Summary of contents
Page 1
... Module contains all power components necessary to provide power factor correction in a switching power supply. - Rectifier bridge with SCRs for inrush current limiting - Ultrafast platinum output diode - 500V .1 Max. FET (7700B) - Low gate charge, 500V, .0675 max. FET (7700-2A) • Provides optimum use of available line current • ...
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ELECTRICAL CHARACTERISTICS Parameter Symbol MOS FET Continuous Drain Current I D Pulsed Drain Current I DM Single Pulse Avalanche Energy E AS Repetitive Avalanche Energy E AR Avalanche Current I AR Gate to Source Voltage V GS Leakage Current I ...
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ELECTRICAL CHARACTERISTICS Parameter Symbol SCRS Average On Current I T(AV) RMS On Current I RMS (As AC switch) Peak Repetitive Off Voltage V RRM/ V DRM Peak One Cycle Non-Repetitive I TSM Surge Current Reverse and Direct Leakage I /I ...
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ELECTRICAL CHARACTERISTICS Parameter Symbol Output Diode Average Forward Current I F(AV) Peak Repetitive Reverse V RRM Voltage Peak One Cycle Non-Repetitive I FSM Surge Current Reverse Leakage Current I R/ Forward Voltage V F Reverse Recovery Time trr Junction Temperature ...
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SYSTEM DIAGRAM Line Dotted line denotes BI Model 7700 and associated pins. 14 Pin Pin Pin 3: Bridge Output Pin 4: SCR Gates Pin 5: Ground Pin 6: Ground Pin 7: ...
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OUTLINE DIMENSIONS (Inch) .505 .010 Pin 14 .950 1.100 .015 1.440 Max. Pin 1 .075 Ref. .150 .286 ORDERING INFORMATION Model Package 3.050 Max. 2.560 Pin .050 x .020 14 Places 6X .175 6X .275 Part Number Lot Number 77 ...
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OUTPUT VOLTAGE The dc output voltage must be greater than the highest peak line voltage expected: V > 1.414 O IN MAX DISCONTINUOUS CONDUCTION When the line voltage approaches zero volts the PFC PWM will be forced towards ...
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... The screws must be tightened incrementally in a crisscross pattern. A torque limiting screwdriver should be used. The high current levels require currrent sense transformers to maintain a reasonable efficiency. We recommend BI Technologies HM31-20200. PFC PWM VENDORS Popular sources are: Unitrode UC3854 Micro Linear ML4812 ...