For Reference Only
| Part Number | UM1663S |
| Manufacturer | Union Semiconductor (HK) Limited |
| Category | Integrated Circuits (ICs) › LED Drivers |
| Description | IC LED DRVR RGLTR PWM 1A SOT23-6 |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | UM1663S PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 19 - Dec 23 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment | 
|
| Shipping |  |
| Part Number: | UM1663S |
| Brand: | Union Semiconductor (HK) Limited |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | LED Drivers |
| Manufacturer: | Union Semiconductor (HK) Limited |
| Product Status: | Active |
| Type: | DC DC Regulator |
| Topology: | Step-Up (Boost) |
| Internal Switch(s): | Yes |
| Number of Outputs: | 1 |
| Voltage - Supply (Min): | 2.8V |
| Voltage - Supply (Max): | 5.5V |
| Voltage - Output: | 2.8V ~ 36V |
| Current - Output / Channel: | 1A (Switch) |
| Frequency: | 1MHz |
| Dimming: | PWM |
| Applications: | General Purpose |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | SOT-23-6 |
| Supplier Device Package: | SOT-23-6 |
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| In Stock | 68975 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $0.88000 | $0.88 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
Please feel free to contact us for details.
