Semtech Corporation6-UFDFN Exposed PadRoHS
SC189EULTRT
IC REG BUCK 1.28V 1.5A 6MLPD
Category
Subcategory
Pmic Voltage Regulators Dc Dc Switching Regulators
Package
6-UFDFN Exposed Pad
Status
Obsolete
Price available on request
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Semtech Corporation |
| Model | SC189EULTRT |
| Package / Case | 6-UFDFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Topology | Buck |
| Voltage - Input (Min) | 2.9V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output | 1.28V |
| Current - Output | 1.5A |
| Frequency - Switching | 2.5MHz |
| Number of Outputs | 1 |
| Supplier Device Package | 6-MLPD-UT (2x2) |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
SC189EULTRT by Semtech Corporation is a Buck IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 5.5V, output 1.28V. The 6-UFDFN Exposed Pad 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 | 1.5A |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 2.5MHz |
| Synchronous Rectifier | Yes |
| Voltage - Input (Max) | 5.5V |
| Voltage - Input (Min) | 2.9V |
| Voltage - Output (Min/Fixed) | 1.28V |
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