Si786
Vishay Siliconix
Dual-Output Power-Supply Controller
FEATURES
D D D D Fixed 5-V and 3.
3-V Step-down Converters Less than 500-mA Quiescent Current per Converter 25-mA Shutdown Current 5.
5-V to 30-V Operating Range
DESCRIPTION
The Si786 Dual Controller for Portable Computer Power Conversion is pin and functionally compatible with the MAX786 dual-output power supply controller for notebook computers.
The device is designed as a drop-in replacement for that circuit.
The circuit is a system level integration of two step-down controllers, micropower 5-V and 3.
3-V linear
regulators, and two comparators.
The controllers perform high efficiency conversion of the battery pack energy (typically...