Union Semiconductor International Limited UM1750DA-33
| 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) | 3.3V |
| 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 | 6-WDFN Exposed Pad |
| Supplier Device Package | 6-DFN (2x2) |
| ROHS |  |
The UM1750DA-33 is a high-performance low dropout linear regulator from Union Semiconductor, delivering a fixed 3.3V output with up to 350mA of current. Its low dropout voltage (0.15V @ 0.15A) and 130 µA quiescent current make it highly efficient for battery-powered and always-on applications. With a PSRR of 63dB at 100Hz, it provides clean, stable power for noise-sensitive circuits. The 6-DFN (2x2) package is ideal for compact designs.
- Ultra-Compact Package: 6-DFN (2x2) enables high-density PCB layouts for miniaturized products.
- Low Quiescent Current: 130 µA extends battery life in portable and standby applications.
- High PSRR: 63dB at 100Hz ensures clean power for sensitive analog and RF circuits.
- Efficient Operation: Low dropout voltage (0.15V @ 0.15A) minimizes power dissipation.
IoT Edge Devices
The UM1750DA-33 provides a stable 3.3V rail for microcontrollers and wireless modules in IoT devices, with low quiescent current extending battery life in remote sensors.
RF Transceivers
With a PSRR of 63dB at 100Hz, this regulator ensures clean power for RF transceivers, reducing phase noise and improving communication range.
Portable Medical Devices
In hearing aids and wearable monitors, the compact 6-DFN package and low power consumption make it an ideal choice for space-constrained medical electronics.
Industrial Automation
For PLCs and field sensors, the UM1750DA-33 delivers reliable 3.3V power with excellent noise rejection, ensuring accurate data acquisition in industrial environments.
Consumer Audio Equipment
This LDO powers DACs and audio codecs with a clean 3.3V supply, minimizing distortion and improving audio fidelity in portable players and soundbars.
- Q: What is the output voltage of the UM1750DA-33?
- A: The UM1750DA-33 provides a fixed output voltage of 3.3V.
- 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 6-DFN (2x2) package.
UM1750DA-33.pdf
- Q: What is the output voltage of the UM1750DA-33?
- A: The UM1750DA-33 provides a fixed output voltage of 3.3V.
- 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 6-DFN (2x2) package.
