Union Semiconductor International Limited UM1550DA-30
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.12 | $1.12 |
| 15+ | $0.26 | $3.90 |
| 25+ | $0.25 | $6.25 |
| 50+ | $0.24 | $12.00 |
| 100+ | $0.21 | $21.00 |
| N+ | $0.04 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Union Semiconductor International Limited |
| Product Series | UM1550 |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 8V |
| Voltage - Output (Min/Fixed) | 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 | 6-WDFN Exposed Pad |
| Supplier Device Package | 6-DFN (2x2) |
| ROHS |  |
The UM1550DA-30 is a fixed 3.0V low dropout linear regulator from Union Semiconductor, offering 300mA output. Its ultra-low 3.5µA quiescent current is ideal for battery-powered and energy-harvesting applications. The 0.3V dropout at 200mA ensures efficient use of input voltage. Packaged in a 6-DFN (2x2mm), it provides 56dB PSRR at 100Hz for clean power delivery.
- Ultra-Low Power: 3.5µA quiescent current extends battery life in standby modes.
- Compact Size: 6-DFN (2x2mm) package ideal for miniaturized designs.
- Efficient Operation: 0.3V dropout at 200mA maximizes usable voltage range.
- Noise Filtering: 56dB PSRR at 100Hz reduces supply noise for sensitive circuits.
Low-Power Microcontroller Systems
The 3.5µA quiescent current is perfect for MCUs in sleep mode, extending battery life in remote controls and smart sensors.
Portable Medical Devices
Provides stable 3.0V for glucose monitors and pulse oximeters, ensuring accurate readings with minimal power draw.
Wireless Sensor Networks
Ultra-low standby current and 300mA peak capability support intermittent radio transmissions in mesh networks.
Consumer Electronics
Regulates power for remote controls, toys, and small appliances, offering reliable performance in compact form factors.
Embedded Systems
Delivers clean 3.0V rail for logic ICs and sensors, reducing noise-related errors in industrial and hobbyist projects.
Battery Backup Circuits
Maintains voltage during power transitions with low dropout, ensuring uninterrupted operation of critical systems.
- Q: What is the output voltage of the UM1550DA-30?
- A: The fixed output voltage is 3.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA.
- 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 0.3V at a 200mA load.
- Q: What is the quiescent current?
- A: The quiescent current is very low at 3.5µA.
- Q: What package is available?
- A: It comes in a 6-DFN (2x2mm) package.
UM1550DA-30.pdf
- Q: What is the output voltage of the UM1550DA-30?
- A: The fixed output voltage is 3.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA.
- 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 0.3V at a 200mA load.
- Q: What is the quiescent current?
- A: The quiescent current is very low at 3.5µA.
- Q: What package is available?
- A: It comes in a 6-DFN (2x2mm) package.
