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TL494CPWG4 数据表(PDF) 3 Page - Texas Instruments |
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TL494CPWG4 数据表(HTML) 3 Page - Texas Instruments |
3 / 17 page www.ti.com Absolute Maximum Ratings (1) Recommended Operating Conditions TL494 PULSE-WIDTH-MODULATION CONTROL CIRCUITS SLVS074E – JANUARY 1983 – REVISED FEBRUARY 2005 over operating free-air temperature range (unless otherwise noted) MIN MAX UNIT VCC Supply voltage(2) 41 V VI Amplifier input voltage VCC + 0.3 V VO Collector output voltage 41 V IO Collector output current 250 mA D package 73 DB package 82 θ JA Package thermal impedance(3)(4) N package 67 °C/W NS package 64 PW package 108 Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260 °C Tstg Storage temperature range –65 150 °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) All voltages are with respect to the network ground terminal. (3) Maximum power disipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient temperatire is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability. (4) The package thermal impedance is calculated in accordance with JESD 51-7. MIN MAX UNIT VCC Supply voltage 7 40 V VI Amplifier input voltage –0.3 VCC – 2 V VO Collector output voltage 40 V Collector output current (each transistor) 200 mA Current into feedback terminal 0.3 mA fOSC Oscillator frequency 1 300 kHz CT Timing capacitor 0.47 10000 nF RT Timing resistor 1.8 500 k Ω TL494C 0 70 TA Operating free-air temperature °C TL494I –40 85 3 |
类似零件编号 - TL494CPWG4 |
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类似说明 - TL494CPWG4 |
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