Union Semiconductor International Limited UM1560P-33
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.04 | $1.04 |
| 15+ | $0.24 | $3.60 |
| 25+ | $0.23 | $5.75 |
| 50+ | $0.22 | $11.00 |
| 100+ | $0.20 | $20.00 |
| N+ | $0.04 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Union Semiconductor International Limited |
| Product Series | UM1560 |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 8V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.3V @ 200mA |
| Current - Output | 300mA |
| Current - Quiescent (Iq) | 3.5 µA |
| Current - Supply (Max) | - |
| PSRR | 56dB ~ 42dB (100Hz ~ 1kHz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | SC-82A, SOT-343 |
| Supplier Device Package | SOT-343 |
| ROHS |
The UM1560P-33 is a low dropout linear regulator from Union Semiconductor, offering a fixed 3.3V output and 300mA current capability. With an ultra-low quiescent current of 3.5 µA and a dropout voltage of just 0.3V at 200mA, it delivers efficient, stable power for battery-operated devices. The SOT-343 package provides a compact solution for space-constrained applications, while its PSRR performance ensures clean output for sensitive electronics.
- Ultra-Low Power Consumption: 3.5 µA quiescent current dramatically reduces standby power, extending battery life in portable devices.
- Low Dropout Operation: 0.3V dropout at 200mA enables efficient regulation even with small input-to-output voltage margins.
- Space-Saving Package: SOT-343 package is ideal for miniaturized designs without compromising performance.
- Clean Power Delivery: PSRR of 56dB to 42dB (100Hz-1kHz) suppresses input noise, protecting sensitive loads.
Portable Consumer Electronics
The 3.3V output is a standard logic level, making this LDO perfect for powering microcontrollers, memory, and digital ICs in handheld devices, with 300mA capacity for moderate loads.
Battery-Powered Sensors
Ultra-low 3.5 µA quiescent current extends battery life in wireless sensor nodes, ensuring reliable 3.3V power for measurement and transmission circuits.
Wearable Health Monitors
The compact SOT-343 package and low dropout voltage enable efficient power delivery in fitness trackers and heart rate monitors, maintaining stable operation as batteries discharge.
Embedded Systems
For FPGA and DSP core logic requiring 3.3V, this regulator provides clean, stable power with good PSRR, reducing noise-induced errors in high-speed digital circuits.
Smart Home Devices
Ideal for smart thermostats and security cameras, the UM1560P-33 offers reliable 3.3V power with low standby current, meeting energy efficiency requirements.
Portable Test Equipment
The low dropout and stable output make it suitable for multimeters and handheld testers, ensuring accurate measurements with minimal voltage fluctuation.
- Q: What is the output voltage of the UM1560P-33?
- A: The UM1560P-33 provides a fixed output voltage of 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA 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 datasheet for the full operating range.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.3V at a 200mA load.
- Q: What is the quiescent current?
- A: The quiescent current is very low at 3.5 µA, making it ideal for battery-powered applications.
- Q: What package is available?
- A: The UM1560P-33 is available in the SOT-343 package.
- Q: What is the output voltage of the UM1560P-33?
- A: The UM1560P-33 provides a fixed output voltage of 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA 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 datasheet for the full operating range.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.3V at a 200mA load.
- Q: What is the quiescent current?
- A: The quiescent current is very low at 3.5 µA, making it ideal for battery-powered applications.
- Q: What package is available?
- A: The UM1560P-33 is available in the SOT-343 package.

UM1560P-33.pdf