LTM4637
20A DC/DC µModule
Step-Down Regulator
Features Description Complete 20A Switch Mode Power Supply
4.5V to 20V Input Voltage Range
0.6V to 5.5V Output Voltage Range
±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 Synchronizatio Selectable Pulse-Skipping or Burst Mode® Operatio Soft-Start/Voltage Tracking
n Up to 88% Efficiency (12V , 1.8V
IN
OUT)
n Overcurrent Foldback Protectio Output Overvoltage Protectio Internal Temperature Monitor
n Overtemperature Protectio 15mm × 15mm × 4.32mm LGA and
15mm × 15mm × 4.92mm BGA Packages
n SnPb (BGA) or RoHS Compliant (LGA and BGA) Finish 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.
Operating over an input voltage range from 4.5V to 20V, …