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FA7611 Datasheet(PDF) 2 Page - Fuji Electric |
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FA7611 Datasheet(HTML) 2 Page - Fuji Electric |
2 / 6 page FA7611CP(E) 2 s Electrical characteristics (Ta = 25 °C, VCC = 6V, RT = 33kΩ, CT = 1000pF) Reference voltage section Item Symbol Test condition Min. Typ. Max. Unit Output voltage VREF IOR = 1mA 2.425 2.475 2.525 V Line regulation LINE VCC = 3.6 to 20V, IOR =1mA 4 12 mV Load regulation LOAD IOR = 0.1 to 1mA 1 6 mV Output voltage variation due to temperature change VTC1 Ta = –20 to +25 °C–1 1 % VTC2 Ta = +25 to +85 °C–1 1 % Oscillator section Item Symbol Test condition Min. Typ. Max. Unit Oscillation frequency fOSC CT = 1000pF, RT = 33k Ω 95 115 135 kHz Frequency variation 1 (due to supply voltage change) fdV VCC = 3.6 to 20V 1 % Frequency variation 2 (due to temperature change) fdT Ta = –20 to +85 °C5 % Error amplifier section Item Symbol Test condition Min. Typ. Max. Unit Reference voltage VB 0.484 0.494 0.504 V Input bias current IB 5 100 nA Open-loop voltage gain AV 70 dB Unity-gain bandwidth GB 0.6 MHz Maximum output voltage (Pin 6 and Pin 12) VOM+ RNF = 100k Ω VREF–0.2 V VOM– RNF = 100k Ω 200 mV Output source current (Pin 6 and Pin 12) IOM+ VOM = 1V 40 85 200 µA PWM comparator section Item Symbol Test condition Min. Typ. Max. Unit Input threshold voltage (Pin 6 and Pin 12) VTH0 Duty cycle = 0% 0.85 0.95 V Input threshold voltage (Pin 6 and Pin 12) VTH50 Duty cycle = 50% 1.1 V s Absolute maximum ratings Item Symbol Rating Unit Supply voltage VCC 22 V Reference voltage output current IOR 5mA Output current IO ±50 mA Total power dissipation Pd 400 mW Operating temperature Topr –20 to +85 °C Storage temperature Tstg –40 to +150 °C s Recommended operating conditions Item Symbol Min. Max. Unit Supply voltage VCC 3.6 20 V Feedback resistance RNF 100 k Ω Oscillator timing capacitor CT 220 22,000 pF Oscillator timing resistance RT 10 100 k Ω Oscillation frequency fOSC 5 200 kHz |
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