поискавой системы для электроныых деталей |
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LA42152 датащи(PDF) 5 Page - Sanyo Semicon Device |
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LA42152 датащи(HTML) 5 Page - Sanyo Semicon Device |
5 / 9 page LA42352 No.A0078-5/9 Continued from preceding page. Pin Voltage Pin No Symbol VCC = 18V Equivalent Circuit Description 8 12 OUT2 OUT1 8.9 • Output pin 9 10 NF2 NF1 8.8 • Negative feedback pin at Power amplifier • Connect NF capacitor 10 PWR_GND 0 • Power GND pin Description of External parts C1, C2 : Input capacitors. A value of 1.0 µF is recommended for capacitors. Note that the low-frequency area characteristics can be adjusted by changing fL. C3 : Ripple filter capacitor. A value of 47 µF is recommended for capacitors. Decreasing the capacitance value excessively or removing this capacitor causes ripple to occur. However, increasing the capacitance value does not always cause ripple to reduced. Decreasing the capacitance value makes the starting time earlier. C4 : Power capacitor. C5, C6 : Output capacitors. A value of 470 µF is recommended for capacitors. C7, C8 : Oscillation blocking capacitor. Use a polyester film capacitor that is good in high frequency response and temperature characteristic. C9, C10 : Feedback capacitor. A value of 47 µF is recommended for capacitors. Decreasing the capacitance value lowers the low frequency response. Increasing the capacitance value makes the starting time later. R1, R2 : Resistor connected in series with oscillation blocking capacitor. Prevents phase shift attributable to the oscillation blocking capacitor so that oscillation is hard to occur. R3 : Standby switch current limiting resistor. A value of 10k Ω is recommended for resistance (when the applied voltage for the standby switch is 3V to 10V). This resistor cannot be removed. |
Аналогичный номер детали - LA42152 |
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Аналогичное описание - LA42152 |
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