Union Semiconductor International Limited UM1530S-28
| 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 | UM1530 |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | 2.8V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.33V @ 200mA |
| Current - Output | 300mA |
| Current - Quiescent (Iq) | 1.5 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 | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23-3 |
| ROHS |  |
The UM1530S-28 is a fixed 2.8V low dropout linear regulator from Union Semiconductor, delivering up to 300mA. Its ultra-low 1.5 µA quiescent current and 0.33V dropout at 200mA make it ideal for battery-powered devices. The SOT-23-3 package offers a small footprint with stable output and 56dB PSRR at 100Hz.
- Exceptional Battery Life: Ultra-low 1.5 µA quiescent current is among the lowest in class, ideal for energy-sensitive designs.
- Low Dropout Operation: 0.33V dropout at 200mA maximizes efficiency when input voltage is close to 2.8V.
- Small SOT-23-3 Package: Saves PCB space while providing robust thermal performance for 300mA loads.
- Good Noise Rejection: 56dB to 42dB PSRR (100Hz-1kHz) ensures clean power for sensitive analog circuits.
Battery-Powered IoT Devices
The 2.8V output is ideal for low-power MCUs and sensors. The 1.5 µA quiescent current ensures years of operation from coin cells.
Portable Medical Devices
For glucose monitors and hearing aids, the stable 2.8V rail and low noise ensure reliable, accurate operation.
RF Modules and Transceivers
The 56dB PSRR at 100Hz filters supply noise, improving signal integrity in Zigbee, LoRa, and other RF modules.
Smart Home Controllers
In battery-powered thermostats and door locks, the low quiescent current minimizes standby power, extending battery life.
Wearable Health Monitors
The compact SOT-23-3 package fits well in wearables, providing a clean 2.8V supply for heart-rate sensors and displays.
Energy-Efficient Lighting
For LED drivers and smart lighting controllers, the low dropout and high efficiency reduce heat generation.
- Q: What is the output voltage of the UM1530S-28?
- A: The UM1530S-28 provides a fixed output voltage of 2.8V.
- 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; refer to the datasheet for absolute maximum ratings.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.33V at 200mA load current.
- Q: What is the quiescent current?
- A: The quiescent current is an ultra-low 1.5 µA, ideal for battery-powered applications.
- Q: What package is available?
- A: The UM1530S-28 is available in the SOT-23-3 package.
UM1530S-28.pdf
- Q: What is the output voltage of the UM1530S-28?
- A: The UM1530S-28 provides a fixed output voltage of 2.8V.
- 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; refer to the datasheet for absolute maximum ratings.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.33V at 200mA load current.
- Q: What is the quiescent current?
- A: The quiescent current is an ultra-low 1.5 µA, ideal for battery-powered applications.
- Q: What package is available?
- A: The UM1530S-28 is available in the SOT-23-3 package.
