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TL499ACP Datasheet(PDF) 3 Page - Texas Instruments |
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TL499ACP Datasheet(HTML) 3 Page - Texas Instruments |
3 / 8 page TL499A WIDE-RANGE POWER-SUPPLY CONTROLLERS SLVS029F – JANUARY 1984 – REVISED MAY 2000 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Output voltage, VO (see Note 1) 35 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage, series regulator, VI1 35 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage, switching regulator, VI2 10 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Blocking-diode reverse voltage 35 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Blocking-diode forward current 1 A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power switch current (SW IN) 1 A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Notes 2 and 3): P package 85 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . PS package 95 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg –65 °C to 150°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. NOTES: 1. All voltage values are with respect to network ground terminal. 2. Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability. 3. The package thermal impedance is calculated in accordance with JESD 51. recommended operating conditions MIN NOM MAX UNIT Output voltage, VO 2.9 30 V Input voltage, VI1 (SERIES IN1) 4.5 32 V Input voltage, VI2 (SW REG IN2) 1.1 10 V Output-to-input differential voltage, switching regulator, VO – VI2 (see Note 4) 1.2 28.9 V Continuous output current, IO 100 mA Power switch current (at SW IN) 500 mA Current-limiting resistor, RCL 150 1000 Ω Filter capacitor 100 470 µF Pass capacitor 0.1 µF Inductor, L (dcr ≤ 0.1 Ω) 50 150 µH Operating free-air temperature, TA –20 85 °C NOTE 4: When operating temperature range is TA ≤ 70°C, minimum VO – VI2 is ≥ 1.2 V. When operating temperature range is TA ≤ 85°C, minimum VO – VI2 is ≥ 1.9 V. |
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