LTM4645
25A DC/DC Step-Down
µModule Regulator
Features Description 4.7V to 15V Input Voltage Range
n 0.6V to 1.8V Output Voltage Range
n 25A DC Output Current
n ±1.2% Total DC Output Voltage Error (–40°C to 125°C)
n High Reliability N + 1 Phase Redundancy Supported
n Internal or External Control Loop Compensatio Differential Remote Sense Amplifier for Precision
Regulatio Current Mode Control/Fast Transient Response
n Multiphase Current Sharing Up to 150A
n Built-In Temperature Monitoring
n Selectable Pulse-Skipping, Burst Mode® Operatio Soft-Start/Voltage Tracking
n Frequency Synchronizatio Output Overvoltage Protectio Output Overcurrent Foldback Protectio 9mm × 15mm × 3.51mm BGA Package The LTM®4645 is a 25A output switching mode step-down
DC/DC µModule® (power module) regulator. Included in
the package are the switching controller, power FETs, inductor and all supporting components. Operating over an
input voltage range of 4.7V to 15V, the LTM4645 supports
an output voltage range of 0.6V to 1.8V, set by a single
external resistor. Only a few input and output capacitors
are needed. n Its high efficiency design delivers about 86% efficiency
from 12V input to 1.0V output with 25A continuous load
current. High switching frequency and a current-mode
architecture enable a very fast transient response to line …