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UPC1934 Datasheet(PDF) 6 Page - NEC |
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UPC1934 Datasheet(HTML) 6 Page - NEC |
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6 / 20 page  Data Sheet G13567EJ3V0DS00 6 µµµµ PC1934 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 2 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 = 11 k Ω, CT = 330 pF −15 +15 % Oscillation section fOSC total stability ∆fOSC −20 °C≤TA≤+85 °C, 2.5 V ≤VCC≤20 V −30 +30 % Input bias current IBD 0.4 1.0 µ A Low-level threshold voltage VTH (L) Duty = 100 % 1.2 V Dead time control section High-level threshold voltage VTH (H) Duty = 0 % 1.6 V Input offset voltage VIO −10 +10 mV Input offset current IIO −100 +100 nA Input bias current IB −100 +100 nA Common mode input voltage range VIMC 00.4 V 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 Output sink current IOsink VFB = 0.5 V 0.8 1.4 mA Error Amplifier section Output source current IOsource VFB = 1.6 V −70 −45 µ A Drain cutoff current ILEAK VO = 30 V 100 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 60 ns Input sense voltage VTH 0.5 0.63 0.75 V UV sense voltage VUV 0.6 0.8 0.95 V Source current on short-circuiting IOUV 1.0 1.6 2.5 µ A Short-circuit Protection section Delay time tDLY CDLY = 0.1 µ F50 ms Overall Circuit operation current ICC VCC = 3 V 1.4 2.2 3.7 mA Caution Connect a capacitor of 0.01 to 10 µµµµ F to the VREF pin. CREF = 0.01 to 10 F µ µPC1934 16 8 |
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