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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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UPC1935 Fiches technique(PDF) 6 Page - NEC |
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UPC1935 Fiches technique(HTML) 6 Page - NEC |
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6 / 28 page  Data Sheet G13418EJ3V0DS00 6 µµµµ PC1935 Electrical Characteristics (unless otherwise specified, TA = 25 °°°°C, VCC ==== 3 V, fOSC = 100 kHz) Block Parameter Symbol Conditions MIN. TYP. MAX. Unit Start-up voltage VCC (L-H) IREF = 0.1 mA 1.57 V Operation stop voltage VCC (H-L) IREF = 0.1 mA 1.5 V Hysteresis voltage VH IREF = 0.1 mA 30 70 mV Under voltage lock-out section Reset voltage (timer latch) VCCR IREF = 0.1 mA 1.0 V Reference voltage VREF IREF = 1 mA 2.0 2.1 2.2 V Line regulation REGIN 2.5 V ≤VCC≤20 V 2 12.5 mV Load regulation REGL 0.1 mA ≤IREF≤1 mA 1 7.5 mV Reference voltage section Temperature coefficient ∆VREF/∆T −20 °C≤TA≤+85 °C, IREF = 0 A 0.5 % fOSC setting accuracy ∆fOSC RT = 18 k Ω−20 +30 % Oscillation section fOSC total stability ∆fOSC −20 °C≤TA≤+85 °C, 2.5 V ≤VCC≤20 V −30 +50 % Input bias current IBD (Channels 2 and 3 only) 1.0 µ A Channel 1 maximum duty DMAX. 85 % Channel 1 soft start time tSS CDLY = 0.1 µ F50 ms Low-level threshold voltage VTH (L) Duty = 0 % (channels 1 and2) Duty = 100 % (channel 3) 1.2 V Duty setting section High-level threshold voltage VTH (H) Duty = 100 % (channel 2) Duty = 0 % (channel 3) 1.6 V Input threshold voltage VITH 0.285 0.3 0.315 V Input bias current IB −100 +100 nA Open loop gain Av VO = 0.3 V 70 80 dB Unity gain funity VO = 0.3 V 1.5 MHz Maximum output voltage ( +) VOM + IO = −45 µ A1.6 2 V Maximum output voltage ( −) VOM − IO = 45 µ A 0.02 0.5 V Maximum sink current IOsink VFB = 0.5 V 0.8 1.4 µ A Error amplifier section Output source current IOsource VFB = 1.6 V −70 −45 µ A Output ON voltage VOL RL = 150 Ω 0.2 0.6 V Rise time tr RL = 150 Ω 50 ns Output section Fall time tf RL = 150 Ω 50 ns Input sense voltage VTH1, VTH2 Channels 1 and 2 1.75 1.9 2.05 V VTH3 Channel 3 0.5 0.63 0.75 V UV sense voltage VUV 0.8 0.85 V Source current on short-circuiting IOUV 1.0 1.6 2.7 µ A Short-circuit protection section Delay time tDLY CDLY = 0.1 µ F50 ms Overall Circuit operation current ICC VCC = 3 V 1.8 3.1 5.1 mA Caution Connect a capacitor of 0.01 to 10 µµµµ F to the VREF pin. 2 4 PC1935 CREF = 0.01 to 10 F µ µ |
Numéro de pièce similaire - UPC1935 |
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Description similaire - UPC1935 |
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