New IR IRDC3146 EVAL KIT REFERENCE DESIGN W/IRU3146

Description

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New IR IRDC3146EVAL KIT REFERENCE DESIGN W/IRU3146
ITEM NUMBER:
IRDC3146
MANUFACTURER:
IR
GENERAL DESCRIPTION:
The IRU3146 IC is a Dual synchronous Buck controller,
providing a cost-effective, high performance and flexible
solution. The IRU3146 can be configured as a 2-independent
or as a 2-phase controller. The 2-phase configuration
is ideal for high current applications. The IRU3146
features 1808 out of phase operation which reduces the
required input/output capacitance and results in a fewer
number of capacitors needed. Other key features offered
by this device include two independent programmable
soft starts, programmable switching frequency up to
400KHz per phase, Hiccup current limit and an under
voltage lockout function. The current limit is provided by
sensing the lower MOSFET's on-resistance for optimum
cost and performance.
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