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TL3844BP Datasheet(PDF) 4 Page - Texas Instruments |
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TL3844BP Datasheet(HTML) 4 Page - Texas Instruments |
4 / 21 page www.ti.com Absolute Maximum Ratings (1) (2) Recommended Operating Conditions TL284xB, TL384xB HIGH-PERFORMANCE CURRENT-MODE PWM CONTROLLERS SLVS610A – AUGUST 2006 – REVISED SEPTEMBER 2006 over operating free-air temperature range (unless otherwise noted) MIN MAX UNIT Low impedance source 30 VCC Supply voltage V Self ICC < 30 mA limiting VI Analog input voltage range VFB and ISENSE –0.3 6.3 V ICC Supply current 30 mA IO Output current ±1 A IO(sink) Error amplifier output sink current 10 mA 8 pin 97 D package θ JA Package thermal impedance(3)(4) 14 pin 86 °C/W P package 85 Output energy Capacitive load 5 µJ TJ Virtual junction temperature 150 °C Tstg Storage temperature range –65 150 °C Tlead Lead temperature Soldering, 10 s 300 °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 device GND terminal. (3) 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 impact reliability. (4) The package thermal impedance is calculated in accordance with JESD 51-7. MIN NOM MAX UNIT VCC 30 VCC Supply voltage V VC(1) 30 RT/CT 0 5.5 VI Input voltage V VFB and ISENSE 0 5.5 OUTPUT 0 30 VO Output voltage V POWER GROUND(1) –0.1 1 ICC Supply current, externally limited 25 mA IO Average output current 200 mA IO(ref) Reference output current –20 mA fosc Oscillator frequency 100 500 kHz TL284xB –40 85 TJ Operating free-air temperature °C TL384xB 0 70 (1) The recommended voltages for VC and POWER GROUND apply only to the 14-pin D package. 4 Submit Documentation Feedback |
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