Union Semiconductor International Limited UM1460S-30
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.64 | $2.64 |
| 15+ | $0.61 | $9.15 |
| 25+ | $0.59 | $14.75 |
| 50+ | $0.56 | $28.00 |
| 100+ | $0.50 | $50.00 |
| N+ | $0.10 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Union Semiconductor International Limited |
| Product Series | UM1460 |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min/Fixed) | 3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.3V @ 150mA |
| Current - Output | 250mA |
| Current - Quiescent (Iq) | 5 µA |
| Current - Supply (Max) | - |
| PSRR | 40dB (100Hz) |
| Control Features | Enable |
| Protection Features | - |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| ROHS |
The UM1460S-30 is a fixed 3.0V low dropout linear regulator from Union Semiconductor, delivering up to 250mA of output current. Its ultra-low 5 µA quiescent current and 0.3V dropout at 150mA make it an efficient choice for battery-operated devices. Housed in a compact SOT-23-5 package, it offers 40dB PSRR at 100Hz for stable operation.
- Extended Battery Life: Ultra-low 5 µA quiescent current minimizes standby power consumption, ideal for portable electronics.
- High Efficiency at Low Dropout: 0.3V dropout at 150mA allows operation close to the battery end-of-life voltage, maximizing usable capacity.
- Compact Footprint: SOT-23-5 package saves PCB space for space-constrained designs.
- Stable Output: 40dB PSRR at 100Hz reduces input ripple, ensuring clean power for sensitive loads.
Battery-Powered IoT Sensors
The ultra-low 5 µA quiescent current significantly extends battery life in always-on IoT sensor nodes, where the regulator maintains a stable 3.0V rail for microcontrollers and sensors.
Portable Medical Devices
With a 250mA output and low dropout of 0.3V, this LDO ensures reliable operation of portable glucose monitors and pulse oximeters, even as the battery voltage declines.
Wearable Electronics
The compact SOT-23-5 package and low quiescent current make it suitable for space-constrained wearables like smartwatches and fitness trackers, providing a clean 3.0V supply for digital cores.
Wireless Communication Modules
For Bluetooth Low Energy (BLE) and Zigbee modules, the UM1460S-30 delivers stable power with 40dB PSRR at 100Hz, reducing noise coupling from the input supply.
Industrial Control Systems
In industrial sensors and actuators, the regulator's thermal stability and 250mA capability support consistent 3.0V logic power in harsh environments.
Audio Equipment
The low-noise output and 40dB ripple rejection help maintain clean power for analog audio circuits, minimizing hum and interference.
- Q: What is the output voltage of the UM1460S-30?
- A: The UM1460S-30 provides a fixed 3.0V output.
- Q: What is the maximum output current?
- A: It can deliver up to 250mA of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet for the full operating range.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.3V at a 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is a very low 5 µA, making it ideal for battery-powered applications.
- Q: What package is available?
- A: The UM1460S-30 is available in a compact SOT-23-5 package.
- Q: What is the output voltage of the UM1460S-30?
- A: The UM1460S-30 provides a fixed 3.0V output.
- Q: What is the maximum output current?
- A: It can deliver up to 250mA of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet for the full operating range.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.3V at a 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is a very low 5 µA, making it ideal for battery-powered applications.
- Q: What package is available?
- A: The UM1460S-30 is available in a compact SOT-23-5 package.

UM1460S-30.pdf