MP28251
NOT RECOMMENDED FOR NEW DESIGNS
High Efficiency, 20V, 4A Synchronous Step-Down Converter with Low Rds on, SS and Low Power Mode
NRFND
MP28251 continues to be in production for existing customers. Please consider this alternative for new designs:
MP2384GG-Z
Active
MP2384GG-Z
Active
4.5 to 24V, 4A, Low IQ, Synchronous Buck Converter
Features & Benefits
- Wide 4.5V to 24V Operating Input Range
- 105μA Low Quiescent Current
- 4A Continuous Output Current
- Adaptive COT Control for Fast Transient
- DC Auto-Tune Loop
- Low RDS(ON) Internal Power MOSFETs
- Proprietary Switching Loss Reduction Technique
- Power Good (PG) Indication
- Fixed 700kHz Switching Frequency
- Stable with POSCAP and Ceramic Capacitors
- Internal Soft Start (SS)
- Output Discharge
- OCP, OVP, UVP, and Thermal Shutdown with Auto-Retry
- Available in a QFN-11 (2mmx2mm) Package
- The MPL-AL6050 Inductor Series Matches Best Performance
… and many more!
Active Part Numbers:
MP28251GD-P MP28251GD-Z
Recommended Inductors
Part Number
L (µH)
RDC (typ) (mΩ)
IR (40K) (A)
Isat (30%) (A)
MPL-AT2512-R68
Low-Profile Molded Inductor 0.68µH
0.68
26
4.7
6
L (µH)
RDC (typ) (mΩ)
IR (40K) (A)
Isat (30%) (A)
0.68
26
4.7
6
MPL-AY3020-R68
Molded Inductor 0.68µH
0.68
26
5.15
8.6
L (µH)
RDC (typ) (mΩ)
IR (40K) (A)
Isat (30%) (A)
0.68
26
5.15
8.6
MPL-AL4020-R68
Low-Resistance Molded Inductor 0.68µH
0.68
7.5
8.7
11
L (µH)
RDC (typ) (mΩ)
IR (40K) (A)
Isat (30%) (A)
0.68
7.5
8.7
11
Show more
*Based on Nominal Values
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