Richtek USA Inc. RT9166-28GX
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $94,999.99 | $94,999.99 |
| 15+ | $91,999.99 | $1,379,999.85 |
| 25+ | $89,999.99 | $2,249,999.75 |
| 50+ | $84,999.99 | $4,249,999.50 |
| 100+ | $74,999.99 | $7,499,999.00 |
| N+ | $15,000.00 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Richtek USA Inc. |
| Product Series | |
| Packaging | | |
| Output Configuration | Active |
| Output Type | Positive |
| Number of Regulators | Fixed |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 2.8V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.23V @ 300mA (Typ) |
| Current - Output | 300mA |
| Current - Quiescent (Iq) | 300 μA |
| Current - Supply (Max) | - |
| PSRR | 55dB (1kHz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-243AA |
| Supplier Device Package | SOT-89-3 |
| ROHS |  |
The RT9166-28GX is a fixed 2.8V low dropout regulator from Richtek, capable of sourcing 300mA with a typical dropout of 0.23V. Featuring a low 300 μA quiescent current and 55dB PSRR at 1kHz, it delivers clean and efficient power for a variety of applications. The SOT-89-3 package offers a balance of thermal performance and compact size.
- Stable Output: Fixed 2.8V output with 300mA capability ensures reliable performance for logic and analog circuits.
- Low Power Loss: 0.23V dropout at full load reduces heat generation, improving system efficiency.
- Noise Rejection: 55dB PSRR at 1kHz filters supply noise, critical for RF and audio applications.
- Thermally Efficient Package: SOT-89-3 provides better heat dissipation than smaller SOT-23 packages.
FPGA and DSP Core Supplies
The 2.8V output and 300mA capability suit low-power FPGA cores and DSPs that require a stable, low-noise rail for reliable operation.
Automotive Infotainment
With a robust SOT-89-3 package, this regulator can handle moderate thermal loads, making it suitable for car audio processors and display modules needing a clean 2.8V supply.
Portable Test Equipment
Low dropout and low quiescent current enable efficient operation from a 3.0V battery, ideal for handheld multimeters and signal generators.
Wireless Communication Modules
55dB PSRR at 1kHz helps maintain signal integrity for RF transceivers and Bluetooth modules powered at 2.8V.
LED Driver Bias Supply
Provide a stable bias voltage for LED driver ICs in backlighting applications, ensuring consistent brightness and color accuracy.
- Q: What is the output voltage of the RT9166-28GX?
- A: The RT9166-28GX provides a fixed output voltage of 2.8V.
- Q: What is the maximum output current?
- A: This LDO can deliver up to 300mA 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 for this parameter.
- Q: What is the dropout voltage?
- A: The typical dropout voltage is 0.23V at a 300mA load.
- Q: What is the quiescent current?
- A: The quiescent current is typically 300 μA.
- Q: What package is available?
- A: This model comes in a SOT-89-3 package.
RT9166-28GX.pdf
- Q: What is the output voltage of the RT9166-28GX?
- A: The RT9166-28GX provides a fixed output voltage of 2.8V.
- Q: What is the maximum output current?
- A: This LDO can deliver up to 300mA 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 for this parameter.
- Q: What is the dropout voltage?
- A: The typical dropout voltage is 0.23V at a 300mA load.
- Q: What is the quiescent current?
- A: The quiescent current is typically 300 μA.
- Q: What package is available?
- A: This model comes in a SOT-89-3 package.
