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UC2726DWPTR Datasheet(PDF) 3 Page - Texas Instruments |
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UC2726DWPTR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 7 page UC1726 UC2726 UC3726 PARAMETERS TEST CONDITIONS MIN TYP MAX UNITS Retriggerable one shot Initial Accuracy TJ = 25 °C 1.400 1.600 1.800 µsec Temperature Stability Over operating TJ 1.000 2.200 µsec Voltage Stability VCC = 10 to 35V 0.2 %/V Operating Frequency LLOAD = 1.5mH 170 kHz PHI Input (Control Input) HIGH Input Voltage 2.0 V LOW Input Voltage 0.8 V HIGH Input Current 10 µA LOW Input Current -300 −600 µA Delay to one shot 100 250 nsec Delay to Output CT = 1.4V 250 nsec Output Drivers Output Low Level ISINK = 20mA 0.3 0.5 V ISINK = 400mA 0.5 2.6 V Output High Level ISOURCE = −20mA 2.0 2.6 V (volts below VCC)ISOURCE = −400mA 2.0 2.9 V Rise and Fall Times No load 30 60 nsec Logic Voltage Reference VL - Logic Voltage Internal Voltage 4.20 4.40 4.60 V Logic Supply Current VL = 4.75V to 5.25V, CT = 1.4V 13.0 20.0 mA Shut Down Circuit Logic Voltage - Off 0.5 V High Input Current VIH = 2.4 -100 µA Low Input Current VIL = 0.4 -20 µA Fault Logic Fault Reset High Input Current VIH = 2.4 ±5 µA Fault Reset Low Input Current VIL = 0.4 -10 µA Fault High Input Current VIH = 2.4 ±5 µA Fault Low Input Current VIL = 0.4 -60 µA Fault Pulse Width CF = 330pF 3.0 µs CF = 2.2nF 17.0 µs Fault Latch, VOH ILOAD = −1mA, Volts below VL 1.3 1.8 V Fault Latch, VOL ILOAD = 1mA 0.25 0.5 V Fault Latch, VOH ILOAD = 0, Volts below VL 0.3 V Fault Latch, VOL ILOAD = 0 0.2 V Fault Reset Pulse Width 500 ns UVLO Turn On Threshold 7.1 V Total Supply Current Supply Current CT = 1.4V 22 40 mA CT = 1.4V, VL = 5.0V 12 20 mA CT = 1.4V, Shutdown = 5.0V 2.5 mA Unless otherwise stated, VCC = 20V, RT = 4.32k Ω, CT = 330pF and CF = 2.2nF, no load on any output, and −55°C < TA < 125°C for the UC1726, −40°C < TA < 85°C for the UC2726, and 0 °C < TA < 70°C for the UC3726, TA = TJ. ELECTRICAL CHARACTERISTICS: 3 |
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