The MPQ4462 is a high-frequency, step-down, switching regulator with an integrated, high-side, high-voltage, power MOSFET. It provides a 3.5A output with current-mode control for fast loop response and easy compensation.
The wide 3.8V-to-36V input range accommodates a variety of step-down applications, including those in an automotive input environment. A 120µA operational quiescent current allows for battery-powered applications.
Switching-frequency scaling allows for high power-conversion efficiency over a wide load range by scaling down the switching frequency at light loads to reduce the switching and gate driving losses.
The frequency foldback prevent inductor-current runaway during startup, and thermal shutdown provides reliable and fault tolerant operation.
The MPQ4462 can operate at up to 4MHz for EMI-sensitive applications, such as AM radio and ADSL applications.
The MPQ4462 is available in both 3mm×3mm QFN10 and SOIC8E packages.
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