MaxLinear, Inc.TO-261-4, TO-261AARoHS
SPX3940AM3-L-1-8
IC REG LINEAR 1.8V 1A SOT223
Category
Subcategory
Pmic Voltage Regulators Linear
Package
TO-261-4, TO-261AA
Status
Discontinued at Digi-Key
Price available on request
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | MaxLinear, Inc. |
| Model | SPX3940AM3-L-1-8 |
| Package / Case | TO-261-4, TO-261AA |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C |
| Voltage - Input (Max) | 16V |
| Voltage - Output | 1.8V |
| Current - Output | 1A |
| Supplier Device Package | SOT-223-3 |
| RoHS | RoHS |
| Part Status | Discontinued at Digi-Key |
Application & Notes
SPX3940AM3-L-1-8 by MaxLinear, Inc. is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 16V, output 1.8V. The TO-261-4, TO-261AA 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
| Output Type | Fixed |
| Current - Output | 1A |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Short Circuit, Transient Voltage |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min/Fixed) | 1.8V |
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