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UC2525A Folha de dados(PDF) 7 Page - Texas Instruments |
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UC2525A Folha de dados(HTML) 7 Page - Texas Instruments |
7 / 13 page www.ti.com +15 V 13 11 14 12 D1 D2 Return 30 W 30 W Q2 Q1 T1 D1, D2: UC3611 +VC A B UC1525A GND Source = VO − VOH Sink = VOL VIN = 20 V, TA = 25°C 4 3 2 1 0 0.1 .1 .2 1 Output Current, Source or Sink − A 13 11 14 12 Q2 Q1 +VC A B UC1525A GND +VSUPPLY Return R1 C1 R2 C2 R3 T1 UC1525A, UC1527A UC2525A, UC2527A UC3525A, UC3527A SLUS191C – FEBRUARY 1997 – REVISED JANUARY 2008 PRINCIPLES OF OPERATION AND TYPICAL CHARACTERISTICS (continued) Figure 3. Output Drivers With Low Source Impedance The low source impedance of the output drivers provides rapid charging of power FET input capacitance while minimizing external components. Figure 4. UC1525A Output Saturation Characteristics. Figure 5. Conventional Push-Pull Bipolar Design In conventional push-pull bipolar designs, forward base drive is controlled by R1–R3. Rapid turn-off times for the power devices are achieved with speed-up capacitors C1 and C2. Copyright © 1997–2008, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s): UC1525A, UC1527A UC2525A, UC2527A UC3525A, UC3527A |
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