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FA5502 Datasheet(PDF) 7 Page - Fuji Electric |
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FA5502 Datasheet(HTML) 7 Page - Fuji Electric |
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7 / 23 page  7 Quality is our message Quality is our message Quality is our message Quality is our message FA5502P/M (3) Electrical Characteristics (Unless otherwise specified, Vcc=Vc=18V, Ta=25°C, CT=470pF, RT=22kΩ) Reference voltage section (REF pin) Item Symbol Condition MIN TYP MAX Unit Output voltage VREF 4.8 5 5.2 V Line regulation Vrdv Vcc=10 to 28V ±25 mV Load regulation Vrdi ILoad=0.1 to 2mA -50 -25 mV Temperature stability VrdT Ta=-30 to 105°C ±0.5 mV/°C Oscillator section (CT, SYNC pin) Item Symbol Condition MIN TYP MAX Unit Oscillation frequency fOSC CT=470pF, RT=22kΩ, Ta=25°C 71 78 85 kHz Voltage stability fdv Vcc=10 to 28V ±1 ±3 % Temperature stability fdT Ta=-30 to +105°C ±0.04 ±0.07 %/°C Output peak voltage VOSC 3.4 V Synchronizing input threshold voltage VTHSYNC SYNC pin voltage 1.0 1.5 2.0 V SYNC pin input current ISYNC SYNC pin=2V 75 125 175 µA Pulse width modulation circuit section (OUT pin) Item Symbol Condition MIN TYP MAX Unit Maximum duty cycle DMAX 91 94 97 % Overcurrent limiter circuit section (IDET pin) Item Symbol Condition MIN TYP MAX Unit Input threshold voltage VTHOCP IDET pin voltage -1.20 -1.10 -1.00 V Delay time TpdOCP 150 ns Soft start circuit section (CS pin) Item Symbol Condition MIN TYP MAX Unit Charge current ICHG CS pin=0V -11 µA VTHCS0 Dutycycle=0% 0.34 V Input threshold voltage VTHCSM Dutycycle=DMAX 3.40 V Output ON/OFF control circuit section (ON/OFF pin) Item Symbol Condition MIN TYP MAX Unit On-state input current ITHON ON/OFF pin=VTHON ±500 nA VTHON OFF→ON 3.55 3.95 4.35 V ON/OFF control threshold voltage VTHOFF ON→OFF 2.40 2.80 3.20 V Voltage error amplifier section (VIN-, VFB pin) Item Symbol Condition MIN TYP MAX Unit Reference voltage Vr 1.519 1.550 1.581 V Line regulation Vredv Vcc=10 to 28V ±0.5 mV Temperature stability VredT Ta=-30 to 105°C ±0.2 mV/°C Input bias current IBE ±500 nA Open loop gain Ave 60 dB VOE+ No load 3.7 4.1 V Output voltage VOE- No load 50 200 mV Output source current IOE+ VFB pin=0V -2.8 mA Output sink current IOE- VFB pin=2V 280 µA |
Similar Part No. - FA5502 |
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Similar Description - FA5502 |
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