MAX639CPA+
IC REG BUCK ADJ/5V 225MA 8DIP
Pmic Voltage Regulators Dc Dc Switching Regulators
8-DIP (0.300", 7.62mm)
Active
$10.00 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Analog Devices Inc./Maxim Integrated |
| Model | MAX639CPA+ |
| Package / Case | 8-DIP (0.300", 7.62mm) |
| Mounting Type | Through Hole |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Topology | Buck |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 11.5V |
| Voltage - Output | 1.3V (5V) |
| Current - Output | 225mA |
| Number of Outputs | 1 |
| Supplier Device Package | 8-PDIP |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
MAX639CPA+ by Analog Devices Inc./Maxim Integrated is a Buck IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 11.5V, output 1.3V (5V). The 8-DIP (0.300", 7.62mm) 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 | Adjustable (Fixed) |
| Current - Output | 225mA |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Synchronous Rectifier | No |
| Voltage - Input (Max) | 11.5V |
| Voltage - Input (Min) | 4V |
| Voltage - Output (Max) | 11.5V |
| Voltage - Output (Min/Fixed) | 1.3V (5V) |
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