n Complete Dual DC/DC Regulator System
n Input Voltage Range: 2.7V to 5.5V
n Dual 8A Outputs, or Single 16A Output with a 0.6V to 5V Range
n Output Voltage Tracking and Margining
n ±1.75% Total DC Output Error (–55°C to 125°C)
n Current Mode Control/Fast Transient Response
n Power Good Tracking and Margining
n Overcurrent/Thermal Shutdown Protection
n Onboard Frequency Synchronization
n Spread Spectrum Frequency Modulation
n Multiphase Operation
n Selectable Burst Mode® Operation
n Output Overvoltage Protection
n SnPb (BGA) or RoHS Compliant (LGA and BGA)Finish
n Small Surface Mount Footprint, Low Profile (15mm × 15mm × 2.82mm)
LGA and (15mm × 15mm × 3.42mm) BGA Packages
applications
n Telecom, Networking and Industrial Equipment
n Storage and ATCA, PCI Express Cards
n Battery Operated Equipment
Description
The LTM®4616 is a complete dual 2-phase 8A per channel switch mode
DC/DC power regulator system in a 15mm × 15mm surface mount LGA or
BGA package. Included in the package are the switching controller,
power FETs, inductor and all support components. Operating from an
input voltage range of 2.7V to 5.5V, the LTM4616 supports two
outputs within a voltage range of 0.6V to 5V, each set by a single
external resistor. This high efficiency design delivers up to 8A
continuous current (10A peak) for each output. Only bulk input and
output capacitors are needed, depending on ripple requirement. The
part can also be configured for a 2-phase single output at up to
16A.
The low profile package enables utilization of unused space on the
back side of PC boards for high density point-of- load regulation.
Fault protection features include overvoltage protection,
overcurrent protection and thermal shutdown. The power module is
offered in space saving and thermally enhanced 15mm × 15mm × 2.82mm
LGA and 15mm × 15mm × 3.42mm BGA packages. The LTM4616 is available
with SnPb (BGA) or RoHS compliant terminal finish.
