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LB11876 Folha de dados(PDF) 9 Page - Sanyo Semicon Device |
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LB11876 Folha de dados(HTML) 9 Page - Sanyo Semicon Device |
9 / 15 page LB11876 No.8317-9/15 Continued from preceding page. Pin No. Pin Description Equivalent Circuit 13 PWM Sets the PWM oscillator frequency. Connect a capacitor between this pin and ground. A 620pF capacitor sets the oscillator frequency to be about 50kHz. 14 CLD Phase lock signal mask time setting A mask time of about 90ms can be set up by connected a capacitor (about 0.1 μF) between this pin and ground.Leave this pin open if there is no need to mask the phase lock signal. 15 CSD Constraint protection circuit operating time setting and initialization pulse setting A protection circuit operating time of about 1 seconds can be set up by connecting a capacitor (about 0.068 μF) between this pin and ground. Connect both a capacitor and a resistor (about 220k Ω and 4700pF) in parallel between this pin and ground if this protection circuit is not used. 16 VREG Stabilized power supply output (5V output) Connect a capacitor between this pin and ground for power supply stabilization. (About 0.1 μF) Continued on next page. VREG 200 Ω 13 1k Ω VREG 300 Ω 14 VREG 300 Ω 15 Reset circuit 16 VREG |
Nº de peça semelhante - LB11876 |
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Descrição semelhante - LB11876 |
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