HIP5061 HIGH EFFICIENCY, HIGH PERFORMANCE,HIGH POWER CONVERTER

2009-5-12 11:13:19 2360

0 Introduction As the complexity of sophisticated, modern day equipment grows, the need for high efficiency, high performance and high power converters continues to expand. Demand for smaller, lighter, more efficient supplies for this equipment is addressed by the HIP5061. The HIP5061 contains a 60V, 5A (7A minimum at <30% duty cycle, 5A at DC) DMOS power transistor with an rDS(ON) of approximately 0.18W. This low rDS(ON) of the switching device permits high rms currents without excessive device dissipation. The IC is housed in a 7 lead, TO220 style package. By including a DMOS power transistor with its associated driver and the current-mode PWM control circuitry within a single package, simplification and improved performance of many power supply systems can be achieved. This note explains the operation and proper application of the HIP5061 so that this high performance device can be utilized. A 50W, 28V boost converter will be presented to demonstrate a typical application of the IC. Supplies using an external high voltage, power MOSFET transistor in a cascode configuration with the internal DMOS transistor can have higher power outputs, many in excess of 200W. HgQgKYom.pdf (98.15 KB, 下载次数: 0 ) 0
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