GENERAL DESCRIPTION
The ML4880 Portable PC and PCMCIA Power Controller is a complete solution for DC/DC power conversion for portable computing systems with single or multiple PCMCIA slots.

FEATURES
■ Regulation to ±3% maximum: provides 2% PCMCIA switch matrix margin
■ Two synchronous buck controllers for 3.3/3V, 5V generation, and a flyback for high current, 12V generation from 5.5V to 18V input
■ Regulator power conversion efficiencies > 90%
■ Pulse frequency modulation for high efficiency operation
■ Independent regulator shutdown for full load isolation
■ Adjustable current limit
■ Wide input voltage range (5.5V to 18V)