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LS7339 Fiches technique(PDF) 3 Page - LSI Computer Systems |
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LS7339 Fiches technique(HTML) 3 Page - LSI Computer Systems |
3 / 4 page DC ELECTRICAL CHARACTERISTICS: (TA = 25°C, all voltages referenced to VDD) PARAMETER SYMBOL MIN TYP MAX UNIT CONDITIONS Supply Voltage VSS +12 - +18 V - Supply Current ISS - 1.6 2.2 mA VSS = +15V, Output off Input Voltages SYNC Lo VIRL 0 - VSS - 9.5 V - SYNC Hi VIRH VSS - 5.5 - VS S V - ON Lo VIOL 0 - VSS - 8 V - ON Hi VIOH VSS - 2 - VSS V - OFF Lo VIVL 0 - VSS - 8 V - OFF Hi VIVH VSS - 2 - VSS V - Input Current SYNC, ON & IIH - - 110 uA With Series 1.5M Ω OFF Hi Resistor to 115VAC SYNC, ON & OFF Lo IIL - - 100 nA - TRIG Hi Voltage VOH - VSS - V - TRIG Lo Voltage VOL - VSS - 8 - V VSS = +15V TRIG Sink Current IOS 25 - - mA VSS = +15V, VOL = VSS - 4V TRANSIENT CHARACTERISTICS (See Fig. 2 and 3) (All timings are based on Fs = 60Hz, unless otherwise specified.) PARAMETER SYMBOL MIN TYP MAX UNIT SYNC Frequency Fs 40 - 70 Hz ON/OFF Sense Time Ts1 50 - Infinite ms TRIG Pulse Width (LS7339) Tw - 1.0 - ms (LS7340) Tw - 33 - µs STATE 1 Time-out TD1 - 255RC - s ABSOLUTE MAXIMUM RATINGS: PARAMETER SYMBOL VALUE UNIT DC supply voltage VSS - VDD +20 V Any input voltage VIN VSS - 20 to VSS + 0.5 V Operating temperature TA 0 to +85 °C Storage temperature TSTG -65 to +150 °C 7339-012703-3 TABLE 2. COMPONENT FUNCTIONAL DESCRIPTION FOR FIGURE 5 COMPONENTS FUNCTIONAL DESCRIPTION Z1, D1, R1, C2, C3 DC Power Supply. R2, C4 Current limit and filter AC for SYNC input. C1, L1 RFI filtering for AC Mains. C5 PLL filter capacitor. R5 Current limiting and isolation between the IC output and Triac Gate. R6, R7, C6 Oscillator R-C network. Potentiometer R6 required only if providing user adjustment of Time-out, TD1. R3, R4 Pullup resistors to establish normally inactive condition of ON and OFF inputs. S1 Momentary Double Throw Switch used to activate appropriate input. |
Numéro de pièce similaire - LS7339 |
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Description similaire - LS7339 |
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