DC383B

DC383B demonstration circuit is a multipurpose demonstration board featuring the LT1930 and LT1931. The demo board offers three separate DC/DC converters. The boost circuit is designed to convert 5 I/P to 12V O/P at 300mA maximum load. The SEPIC circuit generates constant 12V/300mA O/P with 10V~16V variable I/P. The Inverter circuit is designed for applications requiring negative 12V/350mA from a positive 12V I/P. All 3 circuits are designed to demonstrate advantages of 1.2MHz switching frequency, internal 36V/1A switch, wide I/P voltage range and small circuit size. These circuits are intended for space-conscious applications such as digital cameras, cellular phones, palmtop computers and LCD displays. The 1.2MHz switching frequency, 1A integrated switch, small circuit size and low component count makes LT1930 and LT1931 suitable for use in many other applications, such as PC cards, miniature disk drives, xDSL power supplies, flash memory products and local 5 or 12V supplies.

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