Linear Technology LTM4623
3A Step-Down DC/DC uModule Regulator
FEATURES
n <2mm Height, Complete Solution in <1cm2 (Single-Sided PCB) or 0.5cm2 (Dual-Sided PCB) n Wide Input Voltage Range: 4V to 20V n Input Voltage Down to 2.375V with External Bias n 0.6V to 5.5V Output Voltage n 3A DC Output Current n ±1.5% Maximum Total DC Output Voltage Error n Current Mode Control, Fast Transient Response n Low EMI EN55022 Class B Compliant n External Frequency Synchronization n Multiphase Operation with Current Sharing n Output Voltage Tracking n Selectable Discontinuous Mode n Power Good Indicator n Overvoltage, Overcurrent and Overtemperature Pro- tection n Ultrathin (6.25mm × 6.25mm × 1.82mm) LGA Package and (6.25mm × 6.25mm × 2.42mm) BGA PackageAPPLICATIONS
n PCIe and Backside PCB Mounting n Telecom, Datacom, Networking and Industrial Equipment n Data Storage Rack Units and CardsDESCRIPTION
The LTM®4623 is a complete 3A step-down switching mode µModule (micromodule) regulator in a tiny ultrathin 6.25mm × 6.25mm × 1.82mm LGA and 6.25mm×6.25mm × 2.42mm BGA packages.