The CSD97394Q4M NexFET™ Power Stage is a
highly-optimized design for use in a high-power, high-density synchronous buck converter. This
product integrates the driver IC and NexFET technology to complete the power stage switching
function. The driver IC has a built-in selectable diode emulation function that enables DCM
operation to improve light load efficiency. In addition, the driver IC supports ULQ mode that
enables connected standby for Windows® 8. With the PWM input in tri-state, quiescent current is
reduced to 130 µA, with immediate response. When SKIP# is held at tri-state, the current is reduced
to 8 µA (typically 20 µs is required to resume switching). This combination produces a high
current, high efficiency, and high speed switching device in a small 3.5 × 4.5 mm outline package.
In addition, the PCB footprint is optimized to help reduce design time and simplify the completion
of the overall system design.
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