MP8642
Dual 3A, 23V, 600kHz Step-Down Converter with Frequency Synchronization
MP8642 continues to be in production for existing customers. Please consider this alternative for new designs:
MP2393GTL-Z
Active
MP2393GTL-Z
Active
24V, 3A, 650kHz, Synchronous Step-Down Converter with PG, SS, in 1.6x2.1mm SOT583 Package
Features & Benefits
- Wide 4.2V to 24V Operating Input Range
- 75mΩ/40mΩ 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
- 650kHz Switching Frequency
- Programmable Soft-Start (SS) Time
- Power Good (PG) Indication
- Over-Current Protection (OCP) and Hiccup
- Pre-Bias Start-Up
- Thermal Shutdown
- Available in a SOT583 (1.6mmx2.1mm) Package
… and many more!
Active Part Numbers:
MP8642DU-LF-P MP8642DU-LF-Z
Meaning of P & Z 
Recommended Inductors
Part Number
L (µH)
RDC (typ) (mΩ)
IR (40K) (A)
Isat (30%) (A)
MPL-SE2512-3R3
Semi-Shielded Inductor 3.3µH
3.3
90
2.1
2.4
L (µH)
RDC (typ) (mΩ)
IR (40K) (A)
Isat (30%) (A)
3.3
90
2.1
2.4
MPL-SE4030-3R3
Semi-Shielded Inductor 3.3µH
3.3
39.8
3.45
4.1
L (µH)
RDC (typ) (mΩ)
IR (40K) (A)
Isat (30%) (A)
3.3
39.8
3.45
4.1
MPL-AL4020-3R3
Low-Resistance Molded Inductor 3.3µH
3.3
34.5
4.4
5.2
L (µH)
RDC (typ) (mΩ)
IR (40K) (A)
Isat (30%) (A)
3.3
34.5
4.4
5.2
Show more
*Based on Nominal Values
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