Union Semiconductor International Limited UM1770DA-00
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.08 | $2.08 |
| 15+ | $0.48 | $7.20 |
| 25+ | $0.47 | $11.75 |
| 50+ | $0.44 | $22.00 |
| 100+ | $0.39 | $39.00 |
| N+ | $0.08 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Union Semiconductor International Limited |
| Product Series | |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | 1V |
| Voltage - Output (Max) | 5V |
| Voltage Dropout (Max) | 0.32V @ 500mA |
| Current - Output | 500mA |
| Current - Quiescent (Iq) | 140 µA |
| Current - Supply (Max) | 300 µA |
| PSRR | 65dB ~ 45dB (100Hz ~ 10kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| 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 UM1770DA-00 is a fixed 5V low dropout linear regulator capable of delivering 500mA. With a dropout voltage of just 0.32V at full load and a quiescent current of 140µA, it offers excellent efficiency for battery-operated systems. The 6-DFN package ensures a minimal footprint, while PSRR of 65dB at 100Hz provides clean, stable output for noise-sensitive applications.
- Extended Battery Life: 140µA quiescent current minimizes standby power consumption in portable devices.
- High Efficiency: 0.32V dropout at 500mA reduces power loss and heat generation.
- Compact Design: 2x2mm DFN package saves PCB space for miniaturized electronics.
- Clean Output: 65dB PSRR at 100Hz suppresses ripple from switching power supplies.
Battery-Powered IoT Sensors
The 140µA quiescent current and 5V fixed output make it ideal for always-on IoT sensor nodes, extending battery life while providing stable 5V rail for microcontrollers and sensors.
Portable Medical Devices
With 500mA output and low dropout of 0.32V, it efficiently powers portable diagnostic equipment from a 6V battery, ensuring reliable operation during patient monitoring.
Industrial Control Modules
The 65dB PSRR at 100Hz filters industrial power line noise, providing clean 5V supply for PLCs and process control interfaces.
Automotive Infotainment
Stable 5V output from a 6V rail with 500mA capacity supports display panels and audio codecs in vehicle infotainment systems.
Smart Home Hubs
Compact 2x2mm DFN package fits space-constrained smart home controllers, delivering clean power for Wi-Fi and Zigbee modules.
Wearable Electronics
Low quiescent current and small footprint enable efficient power management in fitness trackers and smartwatches, maximizing runtime.
- Q: What is the output voltage of the UM1770DA-00?
- A: The UM1770DA-00 provides a fixed 5V output.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range starts from 1V above the output (minimum 6V for 5V out).
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.32V at 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 140µA, ideal for battery-powered devices.
- Q: What package is available?
- A: It comes in a compact 6-DFN (2x2mm) package.
UM1770DA-00.pdf
- Q: What is the output voltage of the UM1770DA-00?
- A: The UM1770DA-00 provides a fixed 5V output.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range starts from 1V above the output (minimum 6V for 5V out).
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.32V at 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 140µA, ideal for battery-powered devices.
- Q: What package is available?
- A: It comes in a compact 6-DFN (2x2mm) package.
