FA5331 Fuji Electric holdings CO.,Ltd, FA5331 Datasheet
FA5331
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FA5331 Summary of contents
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... These ICs use the average current control system to ensure stable operation. With this system, a power factor of 99% or better can be achieved. FA5331P( 1st generation IC and FA5332P(M) is 2nd generation IC which light-load characteristics are improved. Features • Drive circuit for connecting a power MOS-FET(Io = 1.5A) • ...
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... FA5331P(M) Min 1.48 I –500 – load 3.5 OE+ V OE– =0V OE+ OE FA5331P(M)/FA5332P(M) Notes: Derating factor Ta > 6.8mW/ C (on PC board Derating factor Ta > 5.2mW/ C (on PC board FA5332P(M) Unit Typ. Max. Min. Typ. Max kHz ...
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... V 0 2.0 MVDET V 1.5 3.5 MVFB I V =0V –65 M IIN– K –1.0 Symbol Test condition FA5331P(M) Min. Typ. Max. Min MAX Symbol Test condition FA5331P(M) Min. Typ. Max. Min =100mA 1.3 1 =–100mA 15.5 16 =18V load r 300 t No load r 200 Symbol ...
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... I ON/OFF terminal THON voltage=3.5V ON/OFF terminal V voltage= THONOFF Symbol Test condition FA5331P(M) Min. V 14.3 THUON I 7.6 THUOFF V UHYS Symbol Test condition FA5331P(M) Min =14V CCST CC I CCOP I Pin 12=0V CCOFF FA5331P(M)/FA5332P(M) FA5332P(M) Unit Typ. Max. Min. Typ. Max. 1.64 1.72 1.617 1.650 1.683 V – ...
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... The output voltage (Vo follows ............................................................................... (1) • FA5331: Vr=1.54V(typ.) FA5332: Vr=1.55V(typ.) Connect a resistor and a capacitor in parallel across error amplifier output pin 5 and error amplifier negative input pin 6 to set the voltage gain (Av). The Av value is as follows: R4 ...
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... FA5331 and –1.10V for FA5332. Connect noise filters Rn and Cn to prevent the voltage at pin 16 from fluctuating due to noise, causing the comparator to malfunction. For Rn, select a resistor 100 for FA5331 and for FA5332. (See P64, 4. No-load operation ) 4. Comparator for PWM Figure 5 shows the comparator for PWM ...
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... FA5331P(M)/FA5332P(M) 6. ON/OFF control input circuit Figure 7 shows the ON/OFF control input circuit. If pin 12 is set to the high level (enable), this IC outputs pulses from the OUT pin. If pin 12 is set to the low level (disable), the internal bias power (reference voltage) goes off and the IC current consumption becomes about 1/10 that of its ON state ...
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... Vin: Minimum AC input voltage (effective value) [V] Pin: Maximum input power [W] Since the threshold voltage of the overcurrent limiting circuit (pin 16) is –1.15V for FA5311 for and –1.10V for FA5332, the peak input current limit (ip) is determined by: 1.15 FA5331: ip= ............................................................................. (12) Rs FA5332: ip= 1. Voltage step-up type converter Figure 9 shows the basic circuit of a voltage step-up type converter which is used as a power factor correction ...
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... FA5331P(M)/FA5332P(M) 4. No-load operation The following condition should be meet to prevent from overvoltage and audible noise during no-load or light-load operation. For FA5331 (Fig.10) 0.85• OFST 3 (3.5•10 –0.26•R )•12 n where, = 42+0.26•R n and, R 100 n and don’t connect. X •You must not connect R ...
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... Output duty cycle vs. CS terminal voltage (V FA5332 200 100 FA5332 –40 – ON/OFF control terminal current vs. CS ON/OFF control terminal voltage FA5331P(M)/FA5332P(M) C =330pF T C =470pF T C =680pF T 100 Vcc=18V C =470pF T R =22k 100 60 T [˚ ...
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... FA5331P(M)/FA5332P(M) IIN– terminal voltage vs. VDET terminal voltage Multiplier I/O FA5331 IDET terminal voltage vs. IIN– terminal voltage Normal operation FA5331 0 –0.5 –1.0 –1.5 0 0.5 1.0 IIN– terminal voltage [V] H-level output voltage (V ) vs. OH output source current (I ) SOURCE 11 FA5332 1.4 1.2 1.0 0.8 0.6 0.4 0 0.4 0.8 V terminal voltage [V] DET ...
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... CC Normal operation FA5332 –1.08 –1.09 –1.1 –1.11 –1.12 –1.13 –40 –20 FA5332 1.67 1.66 1.65 1.64 1.63 1.62 1.61 –20 –40 ) Supply current ( OFF mode FA5331P(M)/FA5332P(M) Vcc=18V 100 [˚C] a Vcc=18V 100 60 T [˚ vs. supply voltage ( ...
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... FA5331P(M)/FA5332P(M) Application circuit Example of FA5331 application circuit Example of FA5332 application circuit Parts tolerances characteristics are not defined in the circuit design sample shown above. When designing an actual circuit for a product, you must determine parts tolerances and characteristics for safe and economical operation. ...