Union Semiconductor International Limited UM1460S-33
| 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) | 3.3V |
| 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-33 is a fixed 3.3V low dropout linear regulator from Union Semiconductor, offering 250mA output current. With a 3.3V input, it features a dropout of 0.3V at 150mA and an ultra-low quiescent current of 5 µA. The compact SOT-23-5 package is ideal for space-constrained designs, while 40dB PSRR at 100Hz ensures clean, stable power for sensitive electronics.
- Ultra-Compact: SOT-23-5 package is ideal for miniaturized PCB designs.
- Low Quiescent Current: 5 µA extends battery life in standby mode.
- Stable 3.3V Rail: 40dB PSRR reduces noise for reliable digital and RF circuits.
- Low Dropout: 0.3V at 150mA allows operation from nearly depleted batteries.
Portable Consumer Electronics
Powers 3.3V logic in smartphones, tablets, and e-readers, with low quiescent current to preserve battery life.
Wireless Modules
Provides clean 3.3V to Wi-Fi and Bluetooth modules, ensuring stable RF performance with 40dB PSRR.
Embedded Systems
Ideal for microcontrollers and FPGAs requiring a regulated 3.3V rail in compact SOT-23-5 packaging.
Medical Monitoring Devices
Delivers reliable 3.3V to wearable health monitors, with low dropout for extended operation.
Smart Home Sensors
Powers temperature and humidity sensors in smart home devices, maintaining accuracy with low noise.
- Q: What is the output voltage of the UM1460S-33?
- A: The UM1460S-33 provides a fixed 3.3V 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 recommended input voltage is 3.3V, suitable for 3.3V-to-3.3V regulation.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.3V at a 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is very low at 5 µA, ideal for battery-powered devices.
- Q: What package is available?
- A: The UM1460S-33 is available in the SOT-23-5 package.
- Q: What is the output voltage of the UM1460S-33?
- A: The UM1460S-33 provides a fixed 3.3V 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 recommended input voltage is 3.3V, suitable for 3.3V-to-3.3V regulation.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.3V at a 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is very low at 5 µA, ideal for battery-powered devices.
- Q: What package is available?
- A: The UM1460S-33 is available in the SOT-23-5 package.

UM1460S-33.pdf