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FA5311BP Datasheet(PDF) 2 Page - Fuji Electric |
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FA5311BP Datasheet(HTML) 2 Page - Fuji Electric |
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2 / 17 page  FA531X series 2 s Selection guide Type FA5310BP(S) 46% + 16.0V 8.70V 1.5A Forward type FA5311BP(S) 70% + 16.0V 8.70V 1.5A Flyback type FA5314P(S) 46% – 15.5V 8.40V 1.5A Forward type FA5315P(S) 70% – 15.5V 8.40V 1.5A Flyback type FA5316P(S) 46% + 15.5V 8.40V 1.0A Forward type FA5317P(S) 70% + 15.5V 8.40V 1.0A Flyback type Max. duty cycle (typ.) Polarity of overcurrent detection Max. output current UVLO (typ.) Application ON threshold OFF threshold Notes: *1 Derating factor Ta > 25°C : 8.0mW/°C (on PC board ) *2 Derating factor Ta > 25°C : 5.5mW/°C (on PC board ) s Absolute maximum ratings Item Symbol Rating Unit Supply voltage VCC 31 V Output current FA5310/11/14/15 IO ±1.5 A FA5316/17 ±1.0 Feedback terminal input voltage VFB 4V Overcurrent detection VIS –0.3 to +4 V terminal input voltage CS terminal input current ICS 2mA Total power dissipation Pd 800 (DIP-8) *1 mW (Ta=25 °C) 550 (SOP-8) *2 Operating temperature Topr –30 to +85 °C Junction temperature Tj 125 °C Storage temperature Tstg –40 to +150 °C s Recommended operating conditions Item Symbol Min. Max. Unit Supply voltage VCC 10 30 V Oscillator timing resistance FA5310/11 RT 3.3 10 k Ω FA5314/15/16/17 1 10 Soft-start capacitor CS 0.1 1 µF Oscillation frequency fOSC 5 600 kHz Soft-start circuit section Item Symbol Test condition FA5310/14/16 FA5311/15/17 Unit Min. Typ. Max. Min. Typ. Max. Charge current (Pin 8) ICHG Pin 8=0V –15 –10 –5 –15 –10 –5 µA Input threshold voltage (Pin 8) VTH CSO Duty cycle =0% 0.90 0.90 V VTH CSM Duty cycle = DMAX 1.90 2.30 V s Electrical characteristics (Ta=25 °C, Vcc=18V, fOSC=135kHz) Oscillator section Item Symbol Test condition Min. Typ. Max. Unit Oscillation frequency fOSC RT=5.1k Ω, CT=360pF 125 135 145 kHz Frequency variation 1 (due to supply voltage change) fdV VCC=10 to 30V ±1% Frequency variation 1 (due to temperature change) fdr Ta=–30 to +85 °C ±1.5 % Pulse width modulation circuit section Item Symbol Test condition FA5310/14/16 FA5311/15/17 Unit Min. Typ. Max. Min. Typ. Max. Feedback terminal source current IFB VFB=0 –660 –800 –960 –660 –800 –960 µA Input threshold voltage (Pin 2) VTH FBO Duty cycle =0% 0.75 0.75 V VTH FBM Duty cycle = DMAX 1.80 2.30 V Maximum duty cycle DMAX 43 46 49 66 70 74 % |
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