FEATURES
n Complete 20A Switch Mode Power Supply n 4.5V to 20V Input Voltage Range n 0.6V to 5.5V Output Voltage Range n ±1.5% Total DC Output Voltage Error (–40°C to 125°C) n Differential Remote Sense Amplifier for Precision Regulation for (VOUT ≤ 3.3V) n Current Mode Control/Fast Transient Response n Parallel Current Sharing (Up to 80A) n Frequency Synchronization n Selectable Pulse-Skipping or Burst Mode® Operation n Soft-Start/Voltage Tracking n Up to 88% Efficiency (12VIN, 1.8VOUT) n Overcurrent Foldback Protection n Output Overvoltage Protection n Internal Temperature Monitor n Overtemperature Protection n 15mm × 15mm × 4.32mm LGA and 15mm × 15mm × 4.92mm BGA Packages n SnPb (BGA) or RoHS Compliant (LGA and BGA) Finish APPLICATIONS
n Telecom Servers and Networking Equipment n Industrial Equipment n Medical Systems n High Ambient Temperature Systems DESCRIPTION
The LTM®4637 is a complete 20A output high efficiency switch mode step-down DC/DC µModule (micromodule) regulator. Included in the package are the switching controller, power FETs, inductor and compensation components.
Analog Devices
