Union Semiconductor (HK) LimitedSC-74A, SOT-753RoHS
UM3501
5V 600mA 1.2MHz Step-Down DC-DC
Category
Subcategory
Pmic Voltage Regulators Dc Dc Switching Regulators
Package
SC-74A, SOT-753
Status
Active
$0.77 / unit (market reference)
MOQ: 2 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Union Semiconductor (HK) Limited |
| Model | UM3501 |
| Package / Case | SC-74A, SOT-753 |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Topology | Buck |
| Voltage - Input (Min) | 2.5V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output | 0.6V |
| Current - Output | 600mA |
| Frequency - Switching | 1.2MHz |
| Number of Outputs | 1 |
| Supplier Device Package | SOT-23-5 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
UM3501 by Union Semiconductor (HK) Limited 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 0.6V. The SC-74A, SOT-753 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 |
| Current - Output | 600mA |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 1.2MHz |
| Synchronous Rectifier | Yes |
| Voltage - Input (Max) | 5.5V |
| Voltage - Input (Min) | 2.5V |
| Voltage - Output (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.6V |
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