MPQ2143
NOT RECOMMENDED FOR NEW DESIGNS
Industrial Grade, 3A, 5.5V, 1.2MHz, 40μA IQ, COTSynchronous Step-Down Switcher AEC-Q100 Qualified
MPQ2143 continues to be in production for existing customers. Please consider this alternative for new designs:

MPQ2179GQHE-AEC1
MPQ2179GQHE-AEC1
5.5V, Peak 3A, 2.4MHz, Synchronous Step-Down Converter with PG and SS, AEC-Q100 Qualified
Features & Benefits
- Wide 2.5V to 5.5V Operating Input Voltage (VIN) Range
- Up to 3A Peak Output Current (IOUT)
- 2.4MHz Switching Frequency (fSW)
- EN for Power Sequencing
- 1% FB Accuracy
- Output Voltage (VOUT) Adjustable from 0.6V
- 65mΩ and 35mΩ Internal Power MOSFET Switches
- 100% Duty Cycle On
- Output Discharge
- Power Good (PG)
- External Soft Start (SS) Control
- Output Over-Voltage Protection (OVP)
- Short-Circuit Protection (SCP) with Hiccup Mode
- Forced Continuous Conduction Mode (FCCM)
- Available in a QFN-8 (1.5mmx2mm) Package
- Available in a Wettable Flank Package
- Available in AEC-Q100 Grade 1
… and many more!
Active Part Numbers:
MPQ2143DJ-LF-P MPQ2143DJ-LF-Z
Meaning of P & Z
Recommended Inductors

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