19-4107; Rev 0; 5/08
KIT ATION EVALU E L B A IL AVA
Dual, 4A/2A, 4MHz, Step-Down DC-DC
Regulator with Dual LDO Controllers
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General Description
o 2.
5V to 5.
5V Input-Voltage Range
Features
o Dual-Output Synchronous Buck
Regulators o Integrated Switches for 4A and 2A Output Currents o 180° Out-Of-Phase Operation o Output Voltage Adjustable from 0.
6V to VAVIN o Two LDO Controllers o Lossless, Cycle-by-Cycle Current Sensing o External Compensation for Maximum Flexibility o Digital Soft-Start and Soft-Stop for Tracking Applications o Digital Soft-Start into a Prebiased Load for Sequencing Applications o Sequencing or Coincident/Ratiometric Tracking o Programmable Switching ...