Union Semiconductor International Limited UM1770Y-33
| 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) | 3.3V |
| 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 | SOT-89-5/6 |
| Supplier Device Package | SOT-89-5 |
| ROHS |  |
The UM1770Y-33 from Union Semiconductor is a low dropout linear regulator providing a fixed 3.3V output with a maximum current of 500mA. It features a low dropout voltage of 0.32V and a quiescent current of 140 µA. Housed in a SOT-89-5 package, this LDO is designed for applications requiring higher current with good ripple rejection across a wide frequency range.
- High Output Current: Capable of delivering 500mA, suitable for powering demanding digital loads.
- Low Dropout: The 0.32V dropout voltage maximizes efficiency by allowing operation with a small input-to-output voltage difference.
- Wideband Noise Rejection: PSRR of 65dB to 45dB from 100Hz to 10kHz helps filter a broad range of noise frequencies.
- Robust Package: The SOT-89-5 package offers good thermal performance for higher power dissipation.
High-Current Digital Loads
With a 500mA output capability and a low dropout of 0.32V, this LDO is suitable for powering FPGAs, DSPs, and other high-current digital ICs.
Networking Equipment
Provide a stable 3.3V rail for routers, switches, and other networking hardware, ensuring reliable operation.
Industrial Control Systems
The robust SOT-89-5 package and 500mA current rating make it a dependable choice for industrial controllers and PLCs.
Consumer Electronics
Power set-top boxes, gaming consoles, and smart home devices with a clean and stable 3.3V supply.
Power Supply Post-Regulation
Use it as a post-regulator to reduce ripple and noise from a switching power supply, improving overall system performance.
- Q: What is the output voltage of the UM1770Y-33?
- A: The fixed output voltage is 3.3V.
- 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; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.32V at 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 SOT-89-5 package.
UM1770Y-33.pdf
- Q: What is the output voltage of the UM1770Y-33?
- A: The fixed output voltage is 3.3V.
- 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; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.32V at 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 SOT-89-5 package.
