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UC1708 Scheda tecnica(PDF) 3 Page - Texas Instruments |
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UC1708 Scheda tecnica(HTML) 3 Page - Texas Instruments |
3 / 18 page www.ti.com ABSOLUTE MAXIMUM RATINGS (1) ELECTRICAL CHARACTERISTICS UC1708 UC2708 UC3708 SLUS171C – MARCH 1997 – REVISED SEPTEMBER 2007 VALUE UNIT Supply Voltage, VIN 35 V Steady-State 0.5 A Output Current (Each Output, Source or Sink) Peak Transient 3 A Ouput Voltage –0.3 to (VIN + 0.3) V Enable and Shutdown Inputs –0.3 to 6.2 V A and B Inputs –0.3 to (VIN + 0.3) V Operating Junction Temperature(2) 150 °C Storage Temperature Range –65 to 150 °C Lead Temperature (Soldering, 10 Seconds) 300 °C (1) All voltages are with respect to Logic Gnd pin. All currents are positive into, negative out of, device terminals.r (2) Consult Unitrode Integrated Circuits databook for information regarding thermal specifications and limitations of packages. Unless otherwise stated, VIN=10V to 35V, and these specifications apply for: –55°C<TA<125°C for the UC1708, –25 °C<T A<85°C for the UC2708, and 0°C<TA<70°C for the UC3708, TA = TJ PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Outputs low 18 26 VIN Supply current Outputs high 14 18 mA Enable = 0 V 1 4 A, B and shutdown inputs low level 0.8 V A, B and shutdown inputs high level 2.0 V A, B Input current low VA,B = 0.4V –1 –0.6 mA A, B Input current high VA,B = 2.4V –200 50 A A, B Input leakage current high VA,B = 35.3V 200 A Shutdown input current low VSHUTDOWN = 0.4V 20 100 A VSHUTDOWN = 2.4V 170 500 A Shutdown input current high VSHUTDOWN = 6.2V 0.6 1.5 mA Enable input current low VENABLE = 0V –600 –460 200 A Enable input current high VENABLE = 6.2V 200 A Enable threshold rising 2.8 3.6 V Enable threshold falling 1.0 2.4 3.4 V VIN – IOUT = –50mA 2.0 V Output High Saturation VOUT IOUT = –500mA 2.5 V IOUT = 50mA 0.5 V VOUT Output Low Saturation IOUT = 500mA 2.5 V Thermal Shutdown 155 °C Copyright © 1997–2007, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): UC1708 UC2708 UC3708 |
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