A battery-powered laptop computer power supply
Brian Huffman
Abstract
A battery-powered lap top computer power supply is described.
Keywords
Flyback regulator
lap top power supply
LT1071
Most battery-powered laptop computers require regulated multiple output potentials. Problems associated with such a supply include magnetic and snubber design, loop compensation, short-circuit protection, size and efficiency. Typical output power requirements include 5V @ 1A for memory and logic circuitry and ±12V @ 300mA to drive the analog components. Primary power may be either a 6V or 12V battery. The circuit in Figure 238.1 meets all these requirements. The LT1071 simplifies the power supply design by integrating most of the switching ...
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