Union Semiconductor International Limited UM1770DA-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 | UM1770 |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | 3V |
| Voltage - Output (Max) | - |
| 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, 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 UM1770DA-30 is a fixed 3.0V low dropout linear regulator delivering up to 500mA. With a quiescent current of 140 µA and PSRR of 65dB to 45dB, it ensures clean, efficient power. The 6-DFN (2x2) package is ideal for space-constrained designs, and the 0.32V dropout at full load enhances efficiency.
- Space-Saving: Ultra-compact 6-DFN (2x2) package for high-density PCBs.
- Low Power: 140 µA quiescent current extends battery life in portable devices.
- Superior Noise Rejection: 65dB~45dB PSRR ensures stable output for sensitive circuits.
- Robust Current Delivery: 500mA output supports a wide range of loads.
Compact Wearable Electronics
The 6-DFN (2x2) package and 3.0V output are perfect for smartwatches, fitness trackers, and medical patches where space is critical.
IoT Sensor Nodes
Low quiescent current (140 µA) and high PSRR ensure stable power for always-on sensors and wireless communication in IoT devices.
Portable Audio Equipment
Clean 3.0V supply with 65dB PSRR reduces hum and noise in portable DACs, headphone amplifiers, and audio codecs.
FPGA and DSP Core Power
Provides reliable 500mA for low-voltage digital cores, maintaining stable operation during dynamic load changes.
Camera Modules
Compact size and low dropout make it ideal for powering image sensors and autofocus drivers in smartphones and action cameras.
Battery Management Systems
Stable 3.0V rail for monitoring ICs and protection circuits in multi-cell battery packs.
- Q: What is the output voltage of the UM1770DA-30?
- A: The fixed output voltage is 3.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA.
- Q: What is the input voltage range?
- A: The input voltage is 3V (typical); refer to the datasheet for the full operating range.
- Q: What is the dropout voltage?
- A: Dropout is typically 0.32V at a 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 140 µA.
- Q: What package is available?
- A: It comes in a 6-DFN (2x2) package.
UM1770DA-30.pdf
- Q: What is the output voltage of the UM1770DA-30?
- A: The fixed output voltage is 3.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA.
- Q: What is the input voltage range?
- A: The input voltage is 3V (typical); refer to the datasheet for the full operating range.
- Q: What is the dropout voltage?
- A: Dropout is typically 0.32V at a 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 140 µA.
- Q: What package is available?
- A: It comes in a 6-DFN (2x2) package.
