'Active clamp' presentation slideshows

The conventional forward converter

The conventional forward converter. Max v ds = 2 V g + ringing Limited to D < 0.5 On-state transistor current is P / DV g Magnetizing current must operate in DCM Peak transistor voltage occurs during transformer reset

2.4k views • 36 slides

A Unified Model for the ZVS DC-DC Converters With Active Clamp

A Unified Model for the ZVS DC-DC Converters With Active Clamp. by N.Lakshminarasamma, B. Swaminathan, Prof V. Ramanarayanan, IISC. Department of Electrical Engineering Indian Institute of Science Bangalore. (1-K)Vg. R. Vg. +. KVg. -. Series Regulator Efficiency = K.

431 views • 31 slides

Active clamp circuits

Active clamp circuits. Can be viewed as a lossless voltage-clamp snubber that employs a current-bidirectional switch See Vinciarelli patent (1982) for use in forward converter Related to other half-bridge ZVS circuits Can be added to the transistor in any PWM converter

639 views • 19 slides

Synchronous Rectifier in Forward Converter

1.1k views • 12 slides

DESIGN OF FORWARD CONVERTER WITH LCD SNUBBER

DESIGN OF FORWARD CONVERTER WITH LCD SNUBBER. Presented by Laszlo Huber. November, 1999. Chungli, Taiwan. EXAMPLE DPS-200PP-76. 1. SPECIFICATIONS Line voltage: 90-265 V, 47-63 Hz Outputs: 5 V / 1.5-20 A 12 V / 0.2-8 A 3.3 V / 0-20 A -5 V / 0-0.3 A -12V / 0-0.4 A

694 views • 11 slides