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LS7231 数据表(PDF) 3 Page - LSI Computer Systems |
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LS7231 数据表(HTML) 3 Page - LSI Computer Systems |
3 / 8 page ABSOLUTE MAXIMUM RATINGS: PARAMETER SYMBOL VALUE UNIT DC Supply Voltage VSS +20 V Any Input Voltage VIN VSS -20 to VSS + 0.5 V Operating Temperature TA 0 to +80 ˚C Storage Temperature TSTG -65 to +150 ˚C DC ELECTRICAL CHARACTERISTICS: (TA = 25˚C, all voltages referenced to VDD) PARAMETER SYMBOL MIN TYP MAX UNIT CONDITION Supply Voltage VSS +12 – +18 V - Supply Current ISS – 1.0 1.4 mA VSS = +15V, output off Input Voltages: DOZE LO VIZL 0 – VSS-6 V - DOZE HI VIZH VSS-2 – VSS V - SYNC LO VIRL 0 – VSS-9.5 V - SYNC HI VIRH VSS-5.5 – VSS V - SENS LO VIOL 0 – VSS-8 V - SENS HI VIOH VSS-2 – VSS V - EXT LO VIVL 0 – VSS-8 V - EXT HI VIVH VSS-2 – VSS V - Input Current: SYNC, SENS, EXT HI IIH – – 110 µA With Series 1.5M Ω Resistor to 115VAC Line SYNC, SENS, EXT LO IIL – – 100 nA - DOZE HI IIH – – 100 nA - DOZE 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 TIMING CHARACTERISTICS (See Figures 2 and 3): All timings are based on fs = 60Hz, unless otherwise specified. 50Hz timings are 1.2 times 60Hz timings. PARAMETER SYMBOL MIN TYP MAX UNIT SYNC Frequency fs 40 - 70 Hz SHORT TOUCH TS1 42 - 333 ms (ON/OFF Operation) LONG TOUCH TS2 342 - infinite ms (Dimming Operation) DOZE Frequency - - - 500 Hz TRIG Pulse Width TW - 33 - µs TRIG Conduction-Angle Ø 41 - 158 degrees (Note 1) Ø Period (Max to Max in - - 7.64 - seconds continuous dimming) A1B1 = B2A2 duration - - 934 - ms B1B2 Min. intensity dwell - - 500 - ms NOTE 1. In the circuit schematic shown in Figure 5, the SYNC input signal is delayed in phase with respect to the AC Line by about 7°. This delay reduces the conduction angle, Ø with respect to the AC Line by 7° from the values shown above. 7231-34-041195-3 |
类似零件编号 - LS7231 |
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类似说明 - LS7231 |
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