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UCC1776 Datasheet(PDF) 6 Page - Texas Instruments |
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UCC1776 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 8 page Figure 2 shows an applications circuit with paralleled out- put drivers. If it is required to drive high gate charge MOSFETs, the UCC3776 output drivers can be combined for higher peak current capability. It is good practice to pro- vide separate gate resistor networks to each individual MOSFET as shown. This will ensure that each driver cir- cuit will not see excessive current during the high gate charge portion of the switching waveform. This practice also tends to isolate driver circuits to reduce the possibility of ringing and crosstalk. If all four drivers are used to drive a single MOSFET, then four separate gate drive resistor networks should be used. Figure 3 shows a transformer coupled full bridge power stage. The UCC3776 is ideally suited for interfacing between low power PWM outputs and high power output stages. Although the UC3879 phase shift controller is shown in this example, the UCC3776 can be used in many PWM controller applications where high power FET drivers are required. 6 UCC1776 UCC2776 UCC3776 Figure 2. Parallel Output Drivers APPLICATION INFORMATION (cont.) UDG-96007 Figure 3. Full Bridge Driver Application UDG-96008-1 UNITRODECORPORATION 7 CONTINENTAL BLVD. • MERRIMACK, NH 03054 TEL. (603) 424-2410 • FAX (603) 424-3460 |
Similar Part No. - UCC1776_08 |
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Similar Description - UCC1776_08 |
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