Monolithic Power Systems MP9943
The MP9943 is a high-frequency, synchronous, rectified, step-down, switch-mode converter with built-in power MOSFETs. It offers a very compact solution to achieve a 3A peak output current with excellent load and line regulation over a wide input supply range. The MP9943 has synchronous mode operation for higher efficiency over the output current load range.| Part No. | MP9943 |
|---|---|
| Datasheet | MP9943 Download |
| Manufacturer |  Monolithic Power Systems |
| Description | 3A 36V Synchronous Step-Down Converter |
| Buy | Stock & Price |
DESCRIPTION
Current-mode operation provides fast transient response and eases loop stabilization. Full protection features include over-current protection and thermal shutdown. The MP9943 requires a minimal number of readily-available standard external components, and is available in a space-saving QFN-8 (3mmx3mm) package. TYPICAL APPLICATION MP9943 High Efficiency 3A Peak, 36V, Synchronous Step Down Converter With Power GoodFEATURES
● Wide 4V to 36V Continuous Operating Input Range● 85mΩ/55mΩ Low RDS(ON) Internal Power MOSFETs
● High-Efficiency Synchronous Mode Operation
● 410kHz Switching Frequency
● Synchronizes from 200kHz to 2.2MHz External Clock
● High Duty Cycle for Automotive Cold-crank
● Internal Power-Save Mode
● Internal Soft-Start
● Power Good Indicator
● Over Current Protection and Hiccup
● Thermal Shutdown
● Output Adjustable from 0.8V
● Available in an QFN-8 (3mmx3mm) package
APPLICATIONS
● General Consumer● Multi-Function Printers (MFP)
● Distributed Power Systems All MPS parts are lead-free and adhere to the RoHS directive.
