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TDA1180 데이터시트(PDF) 5 Page - STMicroelectronics |
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TDA1180 데이터시트(HTML) 5 Page - STMicroelectronics |
5 / 12 page ELECTRICAL CHARACTERISTICS (continued) (refer to the test circuit, VS = 12V, TA = 25 oC, unless otherwise specified) Symbol Parameter Test conditions Min. Typ. Max. Unit OSCILLATOR V14 Low Level Threshold Voltage 5.4 V V14 High Level Threshold Voltage 8.2 V I14 Charge Current 0.6 mA I14 Discharge Current 0.3 mA V15 Current Source Supply Voltage 3 V I15 Current Source Supply Current 0.3 mA fO Free Running Frequency 15625 Hz ∆fO fO Adjustment Range ± 10 % ∆fO ∆I15 Frequency Control Sensitivity 52 Hz µA ∆fO Frequency Change when VS Drops to 4V ± 10 % OSCILLATOR-FLYBACK PULSE PHASE COMPARATOR V5 Control Voltage Range 9.4 to 8.2 V I5 Peak Control Current -0.6 +0.6 mA I5 Input Current (blocked Phase Detector) 5 µA tD Permissible Delay between Output Pulse Leading Edge and Flyback Pulse Leading Edge tp - tf µs ∆t ∆tD Static Control Error 0.2 % SYNC PULSE-OSCILLATOR PHASE COMPARATOR V13 Control Voltage Range 4.6 to 1.4 V I13 Control Peak Current +2 -2.2 -2 mA ∆f ∆t Phase Lock Loop Gain 2 kHz µs f Catching and Holding Range ± 700 Hz OVERALL PHASE RELATIONSHIP tO Phase Relation between Middle of Flyback Pulse and Middle of Sync. Pulse 2.2 µs ∆V5 ∆tO Adjustment Sensitivity 65 mV µs ∆I5 ∆tO Adjustment Sensitivity 16 µA µs TDA1180P 5/12 |
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