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UC1834J883B Datasheet(PDF) 3 Page - Texas Instruments |
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UC1834J883B Datasheet(HTML) 3 Page - Texas Instruments |
3 / 9 page PARAMETER TEST CONDITIONS UC1834 UC2834 UC3834 UNITS MIN TYP MAX MIN TYP MAX Turn-on Characteristics Standby Supply Current 5.5 7 5.5 10 mA +1.5 Volt Reference Output Voltage TJ = 25°C 1.485 1.5 1.515 1.47 1.5 1.53 V TJ(MIN) ≤ TJ ≤ TJ(MAX) 1.47 1.53 1.455 1.545 Line Regulation VIN+ = 5 to 35V 1 10 1 15 mV Load Regulation IOUT = 0 to 2mA 1 10 1 15 mV -2.0 Volt Reference (Note 2) Output Voltage (Referenced to VIN +) TJ = 25°C −2.04 −2 −1.96 −2.06 −2 −1.94 V TJ(MIN) ≤ TJ ≤ TJ(MAX) −2.06 −1.94 −2.08 −1.92 Line Regulation VIN+ = 5 to 35V 1.5 15 1.5 20 mV Output Impedance 2.3 2.3 k Ω Error Amplifier Section Input Offset Voltage VCM = 1.5V 1 6 1 10 mV Input Bias Current VCM = 1.5V −1 −4 −1 −8 µA Input Offset Current VCM = 1.5V 0.1 1 0.1 2 µA Small Signal Open Loop Gain Output @ Pin 14, Pin 12 = VIN+ Pin 13, 20 Ω to VIN− 50 65 50 65 dB CMRR VCM = 0.5 to 33V, VIN+ = 35V 60 80 60 80 dB PSRR VIN+ = 5 to 35V, VCM = 1.5V 70 100 70 100 dB Driver Section Maximum Output Current 200 350 200 350 mA Saturation Voltage IOUT = 100mA 0.5 1.2 0.5 1.5 V Output Leakage Current Pin 12 = 35V, Pin 13 = VIN −, Pin 14 = VIN− 0.1 50 0.1 50 µA Shutdown Input Voltage at Pin 14 IOUT ≤ 100µA, Pin 13 = VIN−, Pin 12 = VIN+ 0.4 1 0.4 1 V Shutdown Input Current at Pin 14 Pin 14 = VIN −, Pin 12 = VIN+ IOUT ≤ 100µA, Pin 13 = VIN− −100 −150 −100 −150 µA Thermal Shutdown (Note 3) 165 165 °C Fault Amplifier Section Under- and Over-Voltage Fault Threshold VCM = 1.5V, @ E/A Inputs 120 150 180 110 150 190 mV Common Mode Sensitivity VIN+ = 35V, VCM = 1.5 to 33V −0.4 −0.8 −0.4 −1.0 %/v Supply Sensitivity VCM = 1.5V, VIN+ = 5 to 35V −0.5 −1.0 −0.5 −1.2 %/V Fault Delay 30 45 60 30 45 60 ms/ µF Fault Alert Output Current 2 5 2 5 mA Fault Alert Saturation Voltage IOUT = 1mA 0.2 0.5 0.2 0.5 V O.V. Latch Output Current 2 4 2 4 mA O.V. Latch Saturation Voltage IOUT = 1mA 1.0 1.3 1.0 1.3 V O.V. Latch Output Reset Voltage 0.3 0.4 0.6 0.3 0.4 0.6 V Crowbar Gate Current −100 −175 −100 −175 mA Crowbar Gate Leakage Current VIN+ = 35V, Pin 16 = VIN − −0.5 −50 −0.5 −50 µA Note 2: When using both the 1.5V and −2.0V references the current out of pin 3 should be balanced by an equivalent current into Pin 2. The −2.0V output will change −2.3mV per µA of imbalance. Note 3: Thermal shutdown turns off the driver. If Pin 15 (O.V. Latch Output) is tied to Pin 14 (Compensation/Shutdown) the O.V. Latch will be reset. UC1834 UC2834 UC3834 ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications apply for TA= −55°C to +125°C for the UC1834, −40°C to +85°C for the UC2834, and 0°C to +70°C for the UC3834. VIN+ = 15V, VIN − = 0V, TA = TJ. 3 |
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