The CSD97396Q4M 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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