Union Semiconductor International Limited UM1750Y-33
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.00 | $1.00 |
| 15+ | $0.23 | $3.45 |
| 25+ | $0.23 | $5.75 |
| 50+ | $0.21 | $10.50 |
| 100+ | $0.19 | $19.00 |
| N+ | $0.04 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Union Semiconductor International Limited |
| Product Series | UM1750 |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.15V @ 0.15A |
| Current - Output | 350mA |
| Current - Quiescent (Iq) | 130 µA |
| Current - Supply (Max) | 300 µA |
| PSRR | 63dB ~ 40dB (100Hz ~ 10kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | SOT-89-5/6 |
| Supplier Device Package | SOT-89-5 |
| ROHS |  |
The UM1750Y-33 is a reliable low dropout linear regulator from Union Semiconductor, offering a fixed 3.3V output with up to 350mA current capability. Featuring a low dropout voltage of 0.15V at 150mA and a quiescent current of just 130 µA, it delivers efficient, stable power for a wide range of applications. Its high PSRR (63dB at 100Hz) ensures clean output, while the SOT-89-5 package provides a robust, easy-to-mount solution for industrial and consumer electronics.
- High Efficiency: Low dropout voltage (0.15V @ 0.15A) minimizes power loss, improving overall system efficiency.
- Low Power Consumption: 130 µA quiescent current extends battery life in portable and standby applications.
- Noise Suppression: PSRR of 63dB at 100Hz filters supply noise, ensuring clean power for sensitive components.
- Versatile Package: SOT-89-5 package offers good thermal performance and is widely used in industrial designs.
Microcontroller Power Supply
The 3.3V output and 350mA capability make the UM1750Y-33 perfect for powering microcontrollers and digital logic in embedded systems, with a low dropout of 0.15V ensuring stable operation from a 3.6V battery.
Industrial Control Systems
With a PSRR of 63dB at 100Hz, this regulator provides clean, stable power to PLCs and industrial sensors, reducing noise-induced errors in harsh electrical environments.
Consumer Electronics
Ideal for set-top boxes, routers, and smart home devices, the UM1750Y-33 delivers reliable 3.3V power with low quiescent current, improving energy efficiency in always-on devices.
Automotive Accessories
The SOT-89-5 package and robust performance make it suitable for automotive infotainment and telematics systems requiring a stable 3.3V rail from a 5V supply.
Battery Management Systems
For battery monitoring circuits, this LDO ensures a noise-free 3.3V reference, enhancing the accuracy of voltage and current measurements in BMS applications.
- Q: What is the output voltage of the UM1750Y-33?
- A: The UM1750Y-33 provides a fixed output voltage of 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 350mA 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 official datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.15V at a 0.15A load, ensuring efficient operation even with low headroom.
- Q: What is the quiescent current?
- A: The quiescent current is 130 µA, making it suitable for battery-powered applications.
- Q: What package is available?
- A: This LDO is available in a SOT-89-5 package.
UM1750Y-33.pdf
- Q: What is the output voltage of the UM1750Y-33?
- A: The UM1750Y-33 provides a fixed output voltage of 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 350mA 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 official datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.15V at a 0.15A load, ensuring efficient operation even with low headroom.
- Q: What is the quiescent current?
- A: The quiescent current is 130 µA, making it suitable for battery-powered applications.
- Q: What package is available?
- A: This LDO is available in a SOT-89-5 package.
