Union Semiconductor (HK) LimitedSC-74A, SOT-753RoHS
UM1660S
STEP UP DC DC CONVERTER
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 | UM1660S |
| Package / Case | SC-74A, SOT-753 |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Topology | Boost |
| Voltage - Input (Min) | 2V |
| Voltage - Input (Max) | 6V |
| Voltage - Output | 2V |
| Current - Output | 400mA (Switch) |
| Frequency - Switching | 1MHz |
| Number of Outputs | 1 |
| Supplier Device Package | SOT-23-5 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
UM1660S by Union Semiconductor (HK) Limited is a Boost IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 6V, output 2V. 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-Up |
| Topology | Boost |
| Output Type | Adjustable |
| Current - Output | 400mA (Switch) |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 1MHz |
| Synchronous Rectifier | No |
| Voltage - Input (Max) | 6V |
| Voltage - Input (Min) | 2V |
| Voltage - Output (Max) | 28V |
| Voltage - Output (Min/Fixed) | 2V |
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