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TL783C Datasheet(PDF) 3 Page - Texas Instruments |
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TL783C Datasheet(HTML) 3 Page - Texas Instruments |
3 / 15 page TL783C, TL783Y HIGH-VOLTAGE ADJUSTABLE REGULATOR SLVS036C – SEPTEMBER 1981 – REVISED APRIL 1997 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 functional block diagram + – Protection Circuit OUT IN Vref R1 R2 VO VI Error Amplifier ADJ V O ≈ V ref 1 ) R2 R1 absolute maximum ratings over operating temperature range (unless otherwise noted)† Input-to-output differential voltage, Vl – VO 125 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous total power dissipation at (or below) TA = 25°C (see Note 1) 2 W . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous total power dissipation at (or below) TC = 70°C (see Note 1) 20 W . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air, TA, case, TC, or virtual junction, TJ, temperature range 0 °C to 150°C . . . . . . . . . . . . . . . . . Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † 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. NOTE 1: For operation above TA = 25°C or TC = 70°C, refer to Figures 1 and 2, respectively. To avoid exceeding the design maximum virtual junction temperature, these ratings should not be exceeded. Due to variations in individual device electrical characteristics and thermal resistance, the built-in thermal overload protection may be activated at power levels slightly above or below the rated dissipation Figure 1 TA – Free-Air Temperature – °C FREE-AIR TEMPERATURE DISSIPATION DERATING CURVE 1000 800 400 200 0 1800 600 25 50 75 100 1400 1200 1600 2000 125 150 Derating Factor = 16 mW/ °C R θJA ≈ 62.5°C/W Figure 2 TC – Case Temperature – °C 16 12 4 0 25 50 75 100 20 CASE TEMPERATURE DISSIPATION DERATING CURVE 125 150 8 24 Derating Factor = 250 mW/ °C Above 70 °C R θJC ≈ 4°C/W |
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