Union Semiconductor International Limited UM1770Y-18
| 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) | 1.8V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | - |
| 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 | SOT-89-5/6 |
| Supplier Device Package | SOT-89-5 |
| ROHS |  |
The UM1770Y-18 is a fixed 1.8V low dropout regulator from Union Semiconductor, delivering up to 500mA. It features a 140µA quiescent current and excellent PSRR of 65dB at 100Hz, making it suitable for noise-sensitive digital applications. The SOT-89-5 package offers good thermal performance for higher power dissipation.
- High Current Capacity: 500mA output supports demanding digital loads.
- Excellent Noise Rejection: 65dB PSRR at 100Hz ensures clean power for digital ICs.
- Thermally Efficient: SOT-89-5 package dissipates heat effectively.
- Stable 1.8V Rail: Ideal for modern low-voltage digital systems.
FPGA and DSP Core Supplies
The 500mA output at 1.8V is ideal for powering low-voltage digital cores in FPGAs and DSPs, ensuring stable operation.
DDR Memory Termination
Provides a clean 1.8V rail for DDR3/DDR4 memory termination, reducing signal integrity issues.
High-Speed Digital Interfaces
Supplies 1.8V for I/O banks in microcontrollers and interface ICs, maintaining reliable logic levels.
Portable Computing Devices
Regulates power for application processors in tablets and e-readers, balancing performance and efficiency.
Networking Equipment
Powers switch ICs and PHY transceivers requiring 1.8V, ensuring stable data transmission.
Industrial Automation
Provides reliable 1.8V for sensors and control logic in harsh environments, with SOT-89-5 package for thermal dissipation.
- Q: What is the output voltage of the UM1770Y-18?
- A: The fixed output voltage is 1.8V.
- 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 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 not specified in the provided data.
- Q: What is the quiescent current?
- A: The quiescent current is 140µA.
- Q: What package is available?
- A: It comes in a SOT-89-5 package.
UM1770Y-18.pdf
- Q: What is the output voltage of the UM1770Y-18?
- A: The fixed output voltage is 1.8V.
- 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 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 not specified in the provided data.
- Q: What is the quiescent current?
- A: The quiescent current is 140µA.
- Q: What package is available?
- A: It comes in a SOT-89-5 package.
