Union Semiconductor International Limited UM1450S-50
| 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 | UM1450 |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min/Fixed) | 5V |
| 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 | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23-3 |
| ROHS |  |
The UM1450S-50 is a fixed 5.0V low dropout regulator from Union Semiconductor, offering 250mA output current. With a 5 µA quiescent current and 0.3V dropout at 150mA, it is optimized for battery-powered and low-power applications. The SOT-23-3 package is ideal for compact designs.
- Ultra-Low Quiescent Current: 5 µA extends battery life in always-on applications.
- Low Dropout: 0.3V at 150mA allows efficient operation from 5.5V or 6V inputs.
- Compact SOT-23-3: Minimal PCB footprint for space-constrained designs.
- Stable 5V Output: 40dB PSRR at 100Hz ensures clean power for analog and digital loads.
USB Peripheral Power
Provides a clean 5.0V rail for USB-powered sensors and small peripherals, with 250mA capability and low dropout from a 5.5V input.
Analog Sensor Conditioning
The 40dB PSRR at 100Hz reduces power supply noise for precision analog front-ends in data acquisition systems.
Battery Charger Controllers
Regulates 5V for charger ICs in portable devices, ensuring stable operation even with fluctuating battery voltage.
Relay Driver Circuits
Delivers 250mA to drive small relays or solenoids in industrial control panels, with the SOT-23-3 package fitting tight spaces.
FPGA Auxiliary Supply
Provides a stable 5V for FPGA I/O banks or configuration logic in prototyping boards.
Consumer Electronics
Powers audio codecs or display interfaces requiring 5V, with ultra-low quiescent current for standby efficiency.
- Q: What is the output voltage of the UM1450S-50?
- A: It provides a fixed 5.0V output.
- Q: What is the maximum output current?
- A: The maximum output current is 250mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please check the datasheet.
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.3V at 150mA.
- Q: What is the quiescent current?
- A: Quiescent current is 5 µA.
- Q: What package is available?
- A: It comes in a SOT-23-3 package.
UM1450S-50.pdf
- Q: What is the output voltage of the UM1450S-50?
- A: It provides a fixed 5.0V output.
- Q: What is the maximum output current?
- A: The maximum output current is 250mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please check the datasheet.
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.3V at 150mA.
- Q: What is the quiescent current?
- A: Quiescent current is 5 µA.
- Q: What package is available?
- A: It comes in a SOT-23-3 package.
