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TL2845PE4 Datasheet(PDF) 4 Page - Texas Instruments |
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TL2845PE4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 21 page TL284x, TL384x CURRENT-MODE PWM CONTROLLERS SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage (see Note 1) (ICC < 30 mA) Self limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Analog input voltage range, VI (VFB and ISENSE) −0.3 V to 6.3 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output voltage, VO (OUTPUT) 35 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage, VI, (VC, D package only) 35 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Supply current, ICC 30 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output current, IO ±1 A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Error amplifier output sink current 10 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Notes 2 and 3): D package 86 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-8 package 97 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . P package 85 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . Virtual junction temperature, TJ 150 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output energy (capacitive load) 5 µJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 voltages are with respect to the device GND 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 impact reliability. 3. The package thermal impedance is calculated in accordance with JESD 51-7. recommended operating conditions MIN NOM MAX UNIT VCC and VC‡ Supply voltage 30 V VI, RT/CT Input voltage 0 5.5 V VI, VFB and ISENSE Input voltage 0 5.5 V VO, OUTPUT Output voltage 0 30 V VO, POWER GROUND‡ Output voltage −0.1 1 V 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 T Oti f i t t TL284x −40 85 °C TA Operating free-air temperature TL384x 0 70 °C ‡ These recommended voltages for VC and POWER GROUND apply only to the D package. |
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