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The EVQ28261-L-00A is for demonstrating MPS’s MPQ28261, a high frequency synchronous rectified step-down switch mode converter with built in internal power MOSFETs. MPQ28261 offers a very compact solution to achieve 3A continuous output current over a wide input supply range with excellent load and line regulation. The MPQ28261 operates at high efficiency over a wide output current load range.
Current mode operation provides fast transient response and eases loop stabilization. The full protection features include OCP and thermal shutdown.
The MPQ28261 requires a minimum number of readily available standard external components and comes in a space saving 3x4mm 14-pin QFN package.
- Wide 7V to 21V Operating Input Range
- 0.6V Internal Reference with 2% Accuracy
- 3A Output Current
- Low Rds(ON) Internal Power MOSFETs
- Fixed 500kHz Switching Frequency
- External Soft Start
- OCP and Thermal Shutdown
- Available in 14-pin QFN3x4 Package
- IC Supported 1MPQ28261
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The MPQ28261 is a synchronous, rectified, step-down, switch-mode converter with built-in 120mO high-side MOSFET and 20mO low-side MOSFET. It offers a very compact solution to achieve a continuous 3A output current over a wide input supply range, with excellent load and line regulation. Its synchronous mode operation increases its efficiency over its output current load range, and uses a fixed 500kHz switching frequency.?Current mode operation provides a fast transient response and improves loop stabilization. Full protection features include over-current protection and thermal shut down.?The MPQ28261 has an external SS pin to program the soft-start time and power-good signal output.?The MPQ28261 requires a minimal number of readily-available standard external components and is available in a space saving 3mmx4mm 14-pin QFN package.