FA5332P Fuji Electric holdings CO.,Ltd, FA5332P Datasheet
FA5332P
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FA5332P 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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... Derating factor Ta > 5.2mW/ C (on PC board =18V) C FA5331P(M) FA5332P(M) Min. Typ. Max. Min. Typ 3.55 3.55 1.5 FA5331P(M) FA5332P(M) Min. Typ. Max. Min. Typ. 1.48 1.54 1.60 1.519 1.550 1.581 V –500 –50 –500 – 3.5 3.8 3.5 3.8 50 200 50 –900 –900 Unit Max. ...
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... Unit Max. Min. Typ. Max. 2.0 0 2.4 V 3.5 1.5 3.5 V –65 A –1.0 – FA5332P(M) Unit Max. Min. Typ. Max FA5332P(M) Unit Max. Min. Typ. Max. 1.8 1.3 1.8 V 15.5 16.5 V 300 ns 200 ns FA5332P(M) Unit Max. Min. Typ. Max. 0.1 V 3.55 V –10 ...
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... FA5331P(M) FA5332P(M) Min. Typ. Max. Min. Typ. Max. 14.3 15.3 16.3 14.6 15.3 16.0 7.6 8.3 9.0 7.6 8.3 9.0 7.0 7.0 FA5331P(M) FA5332P(M) Min ...
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... FA5331P(M)/FA5332P(M) Description of each circuit 1. Oscillator section This section outputs sawtooth waves oscillating between 0.15 and 3.55V using the capacitor charge and discharge characteristics. Figure 1 shows how to connect the required external components to this circuit. The oscillation frequency is determined by the C and R values. The relationship ...
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... As Fig. 3 shows Vm is internally connected to pin 2 (IIN–) of the current error amplifier A2 through a 10k resistor. (See the characteristic curve, page 66 for the input and output characteristics of the multiplier Current detection Fig. 3 Current error amplifier and overcurrent limiting circuit Voltage gain (dB) .................... (7) G1 FA5331P(M)/FA5332P(M) MUL 10k RA C2 CURR.AMP ...
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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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... The output voltage ( = Vo – o Vo: Average output voltage Io: Output current : 2 fo (fo: Input power frequency 60Hz Smoothing capacitor value Therefore, the peak-to-peak value of the output ripple voltage Vrp is given by: Vrp = Using formula (17), determine the necessary C value. FA5331P(M)/FA5332P(M) DB1 R A Vcc REG FA5331/FA5332 7 Fig ...
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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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... OSC ambient temperature (Ta) FA5331 Output duty cycle vs. CS terminal voltage (V FA5332 200 100 FA5332 –40 –20 ) 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 20 100 Vcc=18V C =470pF T R =22k 100 60 T [˚C] ...
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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 ...
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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 –40 –20 ) Supply current (I CC OFF mode FA5331P(M)/FA5332P(M) Vcc=18V 100 60 T [˚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. ...