Union Semiconductor International Limited UM1750S-18
| 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 |
Request Quote / Inquiry
| 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) | 1.8V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | - |
| 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 | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| ROHS |  |
The UM1750S-18 is a high-performance low dropout linear regulator from Union Semiconductor, delivering a fixed 1.8V output with up to 350mA of current. Its low 130 µA quiescent current and excellent PSRR make it an efficient choice for battery-powered and noise-sensitive applications. Housed in a compact SOT-23-5 package, this LDO offers a space-saving solution for modern electronic designs.
- Extended Battery Life: Ultra-low 130 µA quiescent current minimizes power draw in standby mode.
- Clean Power Delivery: High PSRR of 63dB at 100Hz filters out input noise for sensitive circuits.
- Compact Footprint: SOT-23-5 package saves valuable PCB space in space-constrained designs.
- High Current Capacity: Supports up to 350mA, suitable for a wide range of loads.
Portable Battery-Powered Devices
The UM1750S-18's low 130 µA quiescent current and 350mA output capability make it ideal for extending battery life in portable electronics like wearables and IoT sensors.
Microcontroller Power Supply
With a stable 1.8V output, this LDO is perfect for powering low-voltage MCUs and digital logic, ensuring reliable operation with its 63dB PSRR at 100Hz.
Wireless Communication Modules
The high PSRR (63dB ~ 40dB from 100Hz to 10kHz) helps maintain clean power for RF transceivers, reducing noise interference in communication signals.
Audio Processing Equipment
Its low-noise characteristics and stable output make it suitable for audio codecs and amplifiers, preserving signal integrity in portable audio devices.
Sensor Interface Circuits
The UM1750S-18 provides a clean, regulated supply for analog sensors and ADCs, improving measurement accuracy in data acquisition systems.
- Q: What is the output voltage of the UM1750S-18?
- A: The UM1750S-18 provides a fixed output voltage of 1.8V.
- Q: What is the maximum output current?
- A: It can deliver up to 350mA of 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.
- Q: What is the dropout voltage?
- A: The dropout voltage is not specified in the provided data; please refer to the datasheet.
- Q: What is the quiescent current?
- A: The quiescent current is 130 µA.
- Q: What package is available?
- A: The UM1750S-18 is available in the SOT-23-5 package.
UM1750S-18.pdf
- Q: What is the output voltage of the UM1750S-18?
- A: The UM1750S-18 provides a fixed output voltage of 1.8V.
- Q: What is the maximum output current?
- A: It can deliver up to 350mA of 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.
- Q: What is the dropout voltage?
- A: The dropout voltage is not specified in the provided data; please refer to the datasheet.
- Q: What is the quiescent current?
- A: The quiescent current is 130 µA.
- Q: What package is available?
- A: The UM1750S-18 is available in the SOT-23-5 package.
