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LTC4442 Datasheet(PDF) 11 Page - Linear Technology |
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LTC4442 Datasheet(HTML) 11 Page - Linear Technology |
11 / 14 page LTC4442/LTC4442-1 11 4442fb To obtain the optimum performance from the LTC4442: A. Mount the bypass capacitors as close as possible between the VLOGIC and GND pins, the VCC and GND pins, and the BOOST and TS pins. The leads should be shortened as much as possible to reduce lead inductance. B. Use a low inductance, low impedance ground plane to reduce any ground drop and stray capacitance. Remember that the LTC4442 switches greater than 5A peak currents and any significant ground drop will degrade signal integrity. APPLICATIONS INFORMATION C. Plan the power/ground routing carefully. Know where the large load switching current is coming from and going to. Maintain separate ground return paths for the input pin and the output power stage. D. Keep the copper traces between the driver output pins and the load short and wide. E. Be sure to solder the Exposed Pad on the back side of the LTC4442 packages to the board. Correctly soldered to a 2500mm2 double-sided 1oz copper board, the LTC4442 has a thermal resistance of approximately 40°C/W. Failure to make good thermal contact between the exposed back side and the copper board will result in thermal resistances far greater. |
Similar Part No. - LTC4442_15 |
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Similar Description - LTC4442_15 |
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