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MPQ4418-AEC1 4-36V, 0.6A, 410kHz Step-Down Converter TSOT23
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pMPS MPQ4418-AEC1 — step-down converter, 4-36V input, 0.6A output, 410 kHz, TSOT23./p
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MPQ4418-AEC1 4-36V, 0.6A, 410kHz Step-Down Converter TSOT23
MPS MPQ4418-AEC1 is a step-down converter that accepts 4 V to 36 V input, delivers 0.6 A, switches at 410 kHz, supplied in a TSOT23 package.
Key Specifications
| Part Number | MPQ4418-AEC1 |
| Input Voltage | 4 V to 36 V |
| Output Current | 0.6 A |
| Switching Frequency | 410 kHz |
| Topology | Step-Down Converter |
| Package | TSOT23 |
| Ordering Codes | MPQ4418-AEC1 |
Features
- Wide 4V to 36V Operating Input Range
- Configurable Output from 0.8V
- Internal Low RDS(ON) 90mΩ High-Side MOSFET (HS-FET) and 55mΩ Low-Side MOSFET (LS-FET)
- High-Efficiency Synchronous Mode Operation
- 410kHz Default Switching Frequency (fSW)
- 200kHz to 2.2MHz Synchronized External Clock
- High Duty Cycle for Automotive Cold Crank
- Forced Continuous Conduction Mode (FCCM)
- Internal Soft Start (SS)
- Power Good (PG)
Applications
- Automotive
- Industrial Control System
Design Notes
- The step-down topology needs an inductor and output capacitor sized for the ripple at the switching frequency, not just the DC load.
- Keep the input loop short — high di/dt at the switch node sets conducted EMI.
- Power switches are integrated, so the thermal path is the PCB copper under the pad.
- AEC-Q100 qualification suits this part to automotive rails.
- Package TSOT23 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MPQ4418-AEC1?
4–36 V input and 0.6 A output.
What switching frequency does the MPQ4418-AEC1 run at?
410 kHz.
Which package is the MPQ4418-AEC1 available in?
TSOT23.
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