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Integrated 100V Load Dump Protection 2A 100kHz Step-Down Regulator with Programmable Output Current
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The MP2499 is a monolithic step-down switch mode converter with a programmable output current limit and an integrated input over-voltage protection switch. It achieves 2.0A continuous output current over a wide input supply range with excellent load and line regulation. The maximum output current can be programmed by sensing current through the inductor DC resistance (DCR) or an accurate sense resistor. Fault condition protection includes cycle¬-by¬-cycle current limiting and thermal shutdown. The MP2499 can survive high-voltage transients such as those found in automotive and industrial applications. The MP2499 requires a minimum number of readily available standard external components. The MP2499 is available in a 16-pin SOIC package.
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Features & Benefits
- Replaces External Transorb
- Supports 12V/24V Systems
- Input Surge Protection Up to 100V
- Programmable Output Current up to 2.0A
- Output Adjustable
- Fixed 100kHz Frequency
- 0.25Ω Internal Power MOSFET Switch
- Stable with Low ESR Output Ceramic Capacitors
- 92% Efficiency @ 500mA (Vo=5V)
- Thermal Shutdown
- Cycle-by-Cycle Over Current Protection
- Available in a 16-Pin SOIC Package
EV2499M-QB-00A Evaluation Kit High Efficiency, 3A Max, 36V Synchronous, Step-Down Converter Evaluation Board
The EV2499M-QB-00A is an evaluation board for MP2499M, a synchronous rectified, step-down module converter with built-in power MOSFETs.
The evaluation board can deliver a 3A max continuous output current with excellent load and line regulation over a wide input supply range.
Current-mode operation provides fast transient
response and eases loop stabilization.
Full protection features include over-current protection and thermal shut down.
The MP2499M requires a minimal number of readily-available standard external components, and is available in a space-saving QFN-13 (2.5mmx3mm) package.