o Fixed-Frequency, Current-Mode Controllers o 5.5V to 28V Input Range (Step-Down) or 3V to 5V Input Range (Step-Up) o 1x Step-Up or Step-Down Controller o 1x Internal 5AP-P Step-Down Regulator o 1x Internal 3AP-P Step-Down Regulator o 1x 2A Source/Sink Linear Regulator with Dynamic REFIN o Internal BST Diodes o Internal 5V, 50mA Linear Regulator o Fault Protection.
Undervoltage, Overvoltage, Thermal, Peak Current Limit o Independent Enable Inputs and Power-Good Outputs o Voltage-Controlle.
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19-4121; Rev 2; 6/09
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Quad-Output Controller for Low-Power Architecture
General Description Features
o Fixed-Frequency, Current-Mode Controllers o 5.