MP1493
NOT RECOMMENDED FOR NEW DESIGNS
High Efficiency, Fast Transient, 3A, 16V Synchronous Step-down Converter with Programmable Frequency
MP1493 continues to be in production for existing customers. Please consider this alternative for new designs:
MP1477
Active
MP1477
Active
17V, 3A, 800kHz, High-Efficiency, Synchronous, Step-Down Converter with COT Control in SOT563 Package
Features & Benefits
- Wide 4.2V to 17V Operating Input Range
- 58mΩ/27mΩ Low RDS(ON) Internal Power MOSFETs
- 200µA Low IQ
- High-Efficiency Synchronous Mode Operation
- Power Save Mode (PSM) at Light-Load
- Fast Load Transient Response
- 800kHz Switching Frequency
- Internal Soft Start (SS)
- Over-Current Protection (OCP) and Hiccup Mode
- Thermal Shutdown
- Output Adjustable from 0.8V
- Available in a SOT563 (1.6mmх1.6mm) Package
… and many more!
Active Part Numbers:
MP1493DS-LF-P MP1493DS-LF-Z MP1493DS MP1493DS-LF
Meaning of P & Z 
Recommended Inductors
Part Number
L (µH)
RDC (typ) (mΩ)
IR (40K) (A)
Isat (30%) (A)
MPL-AY3020-2R2
Molded Inductor 2.2µH
2.2
64
3.0
5.3
L (µH)
RDC (typ) (mΩ)
IR (40K) (A)
Isat (30%) (A)
2.2
64
3.0
5.3
MPL-SE4030-2R2
Semi-Shielded Inductor 2.2µH
2.2
30
3.9
5.5
L (µH)
RDC (typ) (mΩ)
IR (40K) (A)
Isat (30%) (A)
2.2
30
3.9
5.5
MPL-SE5040-2R2
Semi-Shielded Inductor 2.2µH
2.2
16
5.4
7.9
L (µH)
RDC (typ) (mΩ)
IR (40K) (A)
Isat (30%) (A)
2.2
16
5.4
7.9
Show more
*Based on Nominal Values
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