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17A, 600kHz, 20V Wide Input Range Synchronous Boost Converter
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The MP3428 is a 600kHz fixed-frequency, high-efficiency, wide input range, current-mode boost converter with optional internal or external current-sensing configuration for high-integration and high-power applications. With a current limit above 17A, the MP3428 supports a wide range of applications including POS, Thunderbolt, Bluetooth Audio, Power Banks, and Fuel Cells. The MP3428 features a 10mΩ, 24V power switch and a synchronous gate driver for high efficiency. An external compensation pin gives the user flexibility in setting loop dynamics and obtaining optimal transient performance at all conditions.
The MP3428 includes under-voltage lockout (UVLO), switching-current limiting and thermal shutdown (TSD) to prevent damage in the event of an output overload.
The MP3428 is available in a low-profile 22-pin 3mmx4mm QFN package.
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Features & Benefits
- 3V-to-20V Wide Input Range
- Integrated 10mΩ Low-Side Power FET
- SDR Driver for Synchronous Solution
- >17A Switch-Current Limit
- Up to 97.5% Efficiency
- Optional Internal/External Current-Sensing Configuration
- External Soft-Start and Compensation for Higher Flexibility
- Programmable UVLO and Hysteresis
- < 1µA Shutdown Current
- Thermal Shutdown at 150℃
- Available in a 3x4mm QFN-22 Package
EV3428-L-00A Evaluation Kit 17A, 600kHz, 20V Wide Input Synchronous Boost Converter EV Board
The EV3428-L-00AEvaluation Board is designed to demonstrate the performances of MPS’ MP3428, which can provide 25W load from 3.3V input.
The MP3428 is a 600 kHz fixed frequency, high efficiency, wide input range, current mode boost converter with optional internal or external current sensing configuration for high integration or high power application. It features internally a 10mΩ, 24V power switch and a synchronous gate driver for high conversion efficiency. The MP3428 is available in a low profile 22-pin 3mmx4mm QFN package.
This board is configured for 12V application, the maximum output current is determined by current limit or permitted temperature performance.