MP2403
NOT RECOMMENDED FOR NEW DESIGNS
4.6V to 32V, 250kHz, 3A Sync Buck with External , Comp and External SS
MP2403 continues to be in production for existing customers. Please consider this alternative for new designs:
MP9943GQ-Z
MP9943GQ-Z
High Efficiency 3A Peak, 36V, Synchronous Step Down Converter with Power Good
Features & Benefits
- Wide 4V to 36V Continuous Operating Input Range
- 85mO/55mO 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
… and many more!
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Description
The MP2403 is a monolithic synchronous buck regulator. The device integrates a 150mΩ high side MOSFET and a 80mΩ low side MOSFET that provide 3A continuous load current over a wide operating input voltage of 4.6V to 32V. Current mode control provides fast transient response and cycle-by-cycle current limit. An adjustable soft-start prevents inrush current at turn-on. In shutdown mode, the supply current drops to 1μA. This device, available in an 8-pin SOIC package, provides a very compact system solution with minimal reliance on external components.
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Features & Benefits
- 3A Output Current
- Wide 4.6V to 32V Operating Input Range
- Integrated MOSFET Switches
- Output Adjustable from 0.80V to 28V
- Up to 95% Efficiency
- Programmable Soft-Start
- Stable with Low ESR Ceramic Output Capacitors
- Fixed 250kHz Frequency
- Cycle-by-Cycle Over Current Protection
- Input Under Voltage Lockout
- Thermally Enhanced 8-Pin SOIC Package
Active Part Numbers:
MP2403DN-LF-P MP2403DN-LF-Z
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP2403 Resources
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