Richtek USA Inc. RT9166-12GX
| 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) | 1.2V |
| 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 RT9166-12GX is a fixed 1.2V low dropout linear regulator from Richtek, designed for low-voltage, low-power applications. It delivers up to 300mA with a typical dropout voltage of just 0.23V. The quiescent current is 300 μA, and it provides 55dB PSRR at 1kHz for effective noise filtering. Housed in a compact SOT-89-3 package, it is an excellent choice for space-constrained, battery-operated devices.
- Low Dropout Voltage: The 0.23V dropout at 300mA allows efficient regulation from low input voltages.
- Compact SOT-89-3 Package: Saves PCB space while providing good thermal dissipation.
- Good Noise Rejection: 55dB PSRR at 1kHz helps maintain signal integrity in mixed-signal designs.
- Low Power Operation: 300 μA quiescent current is suitable for battery-powered applications.
Low-Voltage Logic Power
The fixed 1.2V output is ideal for powering low-voltage digital logic, including DDR memory termination and core supplies for low-power MCUs.
Battery-Powered Instruments
With a low dropout of 0.23V and 300 μA quiescent current, it efficiently regulates from a 1.5V battery down to 1.2V, extending battery life.
Portable Audio Players
Its 55dB PSRR at 1kHz helps reduce noise from switching regulators, ensuring clean power for audio DACs and amplifiers.
Wireless Sensor Nodes
The compact SOT-89-3 package and low power consumption make it suitable for battery-powered wireless sensors in IoT networks.
Camera Modules
It can provide a stable 1.2V rail for image sensors and processors in compact camera modules.
FPGA Auxiliary Rails
For FPGAs requiring a 1.2V auxiliary supply, this LDO offers a simple, low-noise solution.
- Q: What is the output voltage of the RT9166-12GX?
- A: The RT9166-12GX provides a fixed 1.2V output.
- Q: What is the maximum output current?
- A: It can deliver a maximum output current of 300mA.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.2V up to the maximum rated input voltage.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.23V at a 300mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 300 μA.
- Q: What is the PSRR performance?
- A: It offers a PSRR of 55dB at 1kHz, providing good noise suppression.
RT9166-12GX.pdf
- Q: What is the output voltage of the RT9166-12GX?
- A: The RT9166-12GX provides a fixed 1.2V output.
- Q: What is the maximum output current?
- A: It can deliver a maximum output current of 300mA.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.2V up to the maximum rated input voltage.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.23V at a 300mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 300 μA.
- Q: What is the PSRR performance?
- A: It offers a PSRR of 55dB at 1kHz, providing good noise suppression.
