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The MP9151 is a synchronous rectified step-down switch mode converter with built in internal power MOSFETs. It offers a very compact solution to achieve 4A continuous output current over a wide input supply range with excellent load and line regulation. The MP9151 has synchronous mode operation for higher efficiency over output current load range. Current mode operation provides fast transient response and eases loop stabilization. Full protection features include OCP and thermal shut down. The MP9151 requires a minimum number of readily available standard external components and is available in a space saving 2mm x 3mm 14-pin QFN package.
- Wide 4.5V to 20V Operating Input Range
- 4A Output Current
- Low Rds(ON) Internal Power MOSFETs
- Programmable Switching Frequency from 300kHz to 1.6MHz
- EN ON/OFF Control
- Internal Power Save Mode
- Power Good Indicator
- External Soft Start
- OCP and Thermal Shutdown
- Available in 14-pin QFN2x3 Package
- fsw (max) (kHz)1600
- Vin (min) (V)4.5
- Vin (max) (V)20
- Iout (max) (A)4
- Isw Limit (typ) (A)7
- Max Duty Cycle (%)0.95
- Vfb (typ) (V)0.795
- Iq (typ) (mA)0.7
- Regulated Outputs1
- Vout (max) (V)19
- Vout (min) (V)0.8
- PackageQFN-14 (2x3)
- Control ModeCurrent Mode
- Common FeaturesExternal Soft Start, Light-Load Efficiency, Power Good, Synchronous Rectification
- Special FeaturesProgrammable Frequency
Evaluation KitGET THIS KIT
The EV9151-D-00A is for demonstrating MPS’s MP9151, a high-frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. MP9151 offers a very compact solution to achieve 4A continuous output current over a wide input supply range with excellent load and line regulation. The MP9151 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 over-current protection and thermal shutdown.
The MP9151 requires a minimal number of readily-available standard external components and comes in a space saving 2×3mm 14-pin QFN package.
US$ 25.00 + tax