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FA3621F Datasheet(PDF) 3 Page - Fuji Electric |
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FA3621F Datasheet(HTML) 3 Page - Fuji Electric |
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3 / 8 page  FA3621F 3 s Recommended operating conditions Item Symbol Min. Max. Unit Power supply voltage VCC 4.5 18.0 V Input voltage for logic input VLOG 0.0 5.25 V Oscillation frequency fOSC 50 1000 kHz Oscillator timing resistor RT 6.8 100 k Ω Oscillator timing capacitor CT 68 1000 pF CREF terminal by-pass capacitor CREF 0.01 µF VREF terminal output current IREF –60 0 µA Pin Pin Description No. symbol 1 RT Oscillator timing resistor 2 CT2 (Not connect any component) 3 CT1 Oscillator timing capacitor 4 VREF Reference voltage output 5 CREF Capacitor for reference voltage output 6 CP Timing capacitor for timer latch delay 7 FB4 Ch. 4 output of error amplifier 8 IN4+ Ch. 4 non-inverting input to error amplifier 9 IN4– Ch. 4 inverting input to error amplifier 10 IN3– Ch. 3 inverting input to error amplifier 11 IN3+ Ch. 3 non-inverting input to error amplifier 12 VREG Regulated voltage output 13 FB3 Ch. 3 output of error amplifier 14 IN2– Ch. 2 inverting input to error amplifier 15 FB2 Ch. 2 output of error amplifier 16 IN1– Ch. 1 inverting input to error amplifier 17 FB1 Ch. 1 output of error amplifier 18 FB5 Ch. 5 output of error amplifier 19 IN5+ Ch. 5 non-inverting input to error amplifier 20 IN5– Ch. 5 inverting input to error amplifier 21 IN6– Ch. 6 inverting input to error amplifier 22 GND1 Ground 23 OUT6b ON/OFF switch for ch.6 power supply 24 FB6 Ch. 6 output of error amplifier s Absolute maximum ratings Item Symbol Rating Unit Power supply voltage VCC 20.0 V Source peak current IOUT –200 mA Sink peak current IOUT 200 mA Output peak current of OUT6b IOUT6b –500 mA Input voltage for analog input VANA –0.3 to +2.8 V Input voltage for logic input VLOG –0.3 to +5.5 V Total power dissipation * Pd 550 mW Junction temperature TJ 125 °C Ambient temperature TOP –20 to +85 °C Storage temperature Tstg –40 to +125 °C * Ta < 25 °C Pin Pin Description No. symbol 25 CS5 Soft start for Ch. 5 26 CS6 Soft start for Ch. 6 27 CNT6 Ch. 6 ON/OFF function 28 CNT5 Ch. 5 ON/OFF function 29 VCC2 Power supply for output stage 30 CS3/4 Soft start for Ch. 3 & Ch. 4 31 CS2 Soft start for Ch. 2 32 CS1 Soft start for Ch. 1 33 CNT3/4 Ch. 3 & Ch. 4 ON/OFF function 34 CNT2 Ch. 2 ON/OFF function 35 CNT1 Ch. 1 ON/OFF function 36 SYN (Connect to GND1/ GND2 terminal) 37 VDRV Bias for logic circuit of outputs 38 OUT5 Ch. 5 output (for Pch-MOSFET) 39 OUT6a Ch. 6 output (for Nch-MOSFET) 40 (OPEN) (Not connect any component) 41 OUT1 Ch. 1 output (for Pch-MOSFET) 42 GND2 Ground 43 OUT2 Ch. 2 output (for Pch-MOSFET) 44 OUT3 Ch. 3 output (for Pch-MOSFET) 45 OUT4 Ch. 4 output (for Pch-MOSFET) 46 VCC1 Power supply for control circuit 47 DT2 (Connect to DT1) 48 DT1 (Connect to DT2) |
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