ISL6237
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High-Efficiency, Quad-Output, Main Power Supply Controllers for Notebook Computers
DATASHEET
FN6418 Rev 4.
00 March 18, 2008
The ISL6237 dual step-down, switch-mode power-supply (SMPS) controller generates logic-supply
voltages in battery-powered systems.
The ISL6237 includes two pulse-width modulation (PWM) controllers, 5V/3.
3V and 1.
5V/1.
05V.
The output of SMPS1 can also be adjusted from 0.
7V to 5.
5V.
The SMPS2 output can be adjusted from 0.
5V to 2.
5V by setting REFIN2
voltage.
This device features a linear regulator providing 3.
3V/5V, or adjustable from 0.
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