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TC4405MJA Scheda tecnica(PDF) 6 Page - Microchip Technology |
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TC4405MJA Scheda tecnica(HTML) 6 Page - Microchip Technology |
6 / 16 page TC4404/TC4405 DS21418B-page 6 2002 Microchip Technology Inc. 3.0 APPLICATIONS INFORMATION 3.1 Circuit Layout Guidelines Avoid long power supply and ground traces (added inductance causes unwanted voltage transients). Use power and ground planes wherever possible. In addition, it is advisable that low ESR bypass capacitors (4.7 µF or 10µF tantalum) be placed as close to the driver as possible. The driver should be physically located as close to the device it is driving as possible to minimize the length of the output trace. FIGURE 3-1: SWITCHING TIME TEST CIRCUITS 3.2 Typical Applications FIGURE 3-2: ZERO CROSSOVER CURRENT TOTEM-POLE SWITCH FIGURE 3-3: DRIVING BIPOLAR TRANSISTORS CL = 1000pF +5V 10% 90% 10% 90% 10% 90% 18V 0V 0V 90% 10% 10% 10% 90% +5V 18V 0V 0V 90% 4 2 8,7 1 1 2 0.1 µF 4.7 µF Inverting Driver Noninverting Driver Input VDD = 18V Input Output tD1 tF tR tD2 Input: 100kHz, square wave, tRISE = tFALL ≤ 10nsec Output Input Output tD1 tF tR tD2 RT RT VDD (4.5V - 18V) From TTL GND VOUT TC4404 GND TC4405 RIB VDD (4.5V - 18V) From TTL RIB |
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