MPQ4481GU-AEC1-Z
IC REG BUCK 5.17V 3A 26QFN
Pmic Voltage Regulators Dc Dc Switching Regulators
26-PowerVFQFN
Automotive, AEC-Q100
Active
$4.10 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Monolithic Power Systems Inc. |
| Model | MPQ4481GU-AEC1-Z |
| Package / Case | 26-PowerVFQFN |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Topology | Buck |
| Voltage - Input (Min) | 6V |
| Voltage - Input (Max) | 36V |
| Voltage - Output | 5.17V |
| Current - Output | 3A |
| Frequency - Switching | 235kHz ~ 2.2MHz |
| Number of Outputs | 1 |
| Supplier Device Package | 26-QFN (5x5) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
MPQ4481GU-AEC1-Z by Monolithic Power Systems Inc. is a Buck IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 36V, output 5.17V. The 26-PowerVFQFN package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Function | Step-Down |
| Topology | Buck |
| Output Type | Fixed |
| Current - Output | 3A |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 235kHz ~ 2.2MHz |
| Synchronous Rectifier | Yes |
| Voltage - Input (Max) | 36V |
| Voltage - Input (Min) | 6V |
| Voltage - Output (Min/Fixed) | 5.17V |
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