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TL1451A-Q1 Datasheet(PDF) 3 Page - Texas Instruments |
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TL1451A-Q1 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 24 page TL1451A-Q1 DUAL PULSEWIDTHMODULATION CONTROL CIRCUITS SGLS304A − JUNE 2005 − REVISED JUNE 2008 3 www.ti.com absolute maximum ratings over operating free-air temperature range† Supply voltage, VCC 51 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Amplifier input voltage, VI 20 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Collector output voltage, VO 51 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Collector output current, IO 21 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous power total dissipation See Dissipation Rating Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range, TA −40 °C to 125°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg −65 °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. DISSIPATION RATING TABLE PACKAGE TA ≤ 25°C POWER RATING DERATING FACTOR ABOVE TA = 25°C TA = 70°C POWER RATING TA = 85°C POWER RATING TA = 125°C POWER RATING PW 838 mW 6.7 mW/ °C 536 mW 436 mW 168 mW recommended operating conditions MIN MAX UNIT Supply voltage, VCC 3.6 50 V Amplifier input voltage, VI 1.05 1.45 V Collector output voltage, VO 50 V Collector output current, IO 20 mA Current into feedback terminal 45 µA Feedback resistor, RF 100 k Ω Timing capacitor, CT 150 15000 pF Timing resistor, RT 5.1 100 k Ω Oscillator frequency 1 500 kHz Operating free-air temperature, TA −40 125 °C |
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