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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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TL594ID Arkusz danych(PDF) 3 Page - Texas Instruments |
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TL594ID Arkusz danych(HTML) 3 Page - Texas Instruments |
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3 / 16 page  TL594 PULSEWIDTHMODULATION CONTROL CIRCUIT SLVS052F − APRIL 1988 − REVISED NOVEMBER 2003 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 functional block diagram GND REF VCC Reference Regulator C1 Pulse-Steering Flip-Flop C1 1D FEEDBACK DTC CT RT PWM Comparator Error Amplifier 2 1 + − Error Amplifier 1 ≈0.1 V DTC Comparator Oscillator OUTPUT CTRL (see Function Table) 0.7 mA E1 C2 E2 2 + − Undervoltage Lockout Control IN+ IN− IN+ IN− 6 5 1 2 16 15 3 14 7 12 10 11 9 8 13 4 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage, VCC (see Note 1) 41 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Amplifier input voltage VCC + 0.3 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Collector output voltage 41 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Collector output current 250 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Notes 2 and 3): D package 73 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . N package 67 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . NS package 64 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . PW package 108 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . Operating virtual junction temperature, TJ 150 °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, except differential voltages, are with respect to the 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 51-7. |
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