Union Semiconductor International Limited UM1750S-30
| 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) | 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 | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| ROHS |  |
The UM1750S-30 is a versatile low dropout linear regulator from Union Semiconductor, offering a fixed 3.0V output with up to 350mA current capability. With a low dropout voltage of 0.15V at 150mA and a quiescent current of just 130 µA, it provides efficient, stable power for a variety of applications. Its high PSRR (63dB at 100Hz) ensures clean output, while the SOT-23-5 package makes it suitable for compact designs.
- Stable 3.0V Rail: Provides a precise 3.0V output, ideal for logic circuits and mixed-signal systems.
- Low Power Loss: Dropout voltage of 0.15V at 150mA reduces heat generation and improves efficiency.
- Compact and Lightweight: SOT-23-5 package is perfect for portable and wearable devices.
- High Ripple Rejection: PSRR of 63dB at 100Hz ensures stable performance in noisy environments.
FPGA and CPLD Power
Many low-power FPGAs require a 3.0V core supply. The UM1750S-30 provides up to 350mA with low dropout, ensuring stable operation during logic switching.
Wireless Sensor Networks
For Zigbee and LoRa nodes, the low 130 µA quiescent current and 3.0V output help maximize battery life while maintaining reliable wireless communication.
Portable Test Equipment
Digital multimeters and handheld oscilloscopes benefit from the clean 3.0V rail, which reduces measurement noise and improves accuracy.
LED Display Drivers
In small LED matrix displays, this LDO provides a stable 3.0V supply for the driver IC, ensuring consistent brightness and reducing flicker.
Smart Home Controllers
For smart thermostats and security panels, the UM1750S-30 offers a reliable 3.0V power source with excellent ripple rejection for always-on operation.
- Q: What is the output voltage of the UM1750S-30?
- A: The UM1750S-30 provides a fixed output voltage of 3.0V.
- 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 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 compact SOT-23-5 package.
UM1750S-30.pdf
- Q: What is the output voltage of the UM1750S-30?
- A: The UM1750S-30 provides a fixed output voltage of 3.0V.
- 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 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 compact SOT-23-5 package.
