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UC2843A-Q1 Datasheet(PDF) 2 Page - Texas Instruments |
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UC2843A-Q1 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 15 page Current Sense Comparator PWM Latch GND Output V C V 5 V 50 mA REF V CC GND R /C T T V FB COMP I SENSE Internal Bias S/R 5-V REF V Good Logic REF UVLO 34 V 2.5 V Osc Error Amp S R 2R R 1 V 7 5 4 2 1 3 5 6 7 8 ABSOLUTE MAXIMUM RATINGS (1) (2) UC2843A-Q1 SGLS384 – MAY 2008........................................................................................................................................................................................................ www.ti.com FUNCTIONAL BLOCK DIAGRAM over operating free-air temperature range (unless otherwise noted) VALUE UNIT VCC voltage (low impedance source) 30 V VCC voltage (ICC mA) Self limiting IO Output current ±1 A Output energy (capacitive load) 5 µJ Analog inputs (pins 3 and 5) –0.3 to 6.3 V Error amplifier output sink current 10 mA Power dissipation at TA < 25°C (14-pin D package) 1 W θ JA Package thermal impedance(3) 97 °C/W Tstg Storage temperature range –65 to 150 °C Lead temperature soldering 1,6 mm (1/16 inch) from case for 10 seconds 260 °C (1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) Unless otherwise indicated, voltages are reference to ground, and currents are positive into and negative out of the specified terminals. (3) Long-term high-temperature storage and/or extended use at maximum recommended operating conditions may result in a reduction of overall device life. See http://www.ti.com/ep_quality for additional information on enhanced plastic packaging. 2 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): UC2843A-Q1 |
Similar Part No. - UC2843A-Q1_15 |
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Similar Description - UC2843A-Q1_15 |
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