Richtek USA Inc. RT9166A-12GXL
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.81 | $0.81 |
| 15+ | $0.78 | $11.70 |
| 25+ | $0.77 | $19.25 |
| 50+ | $0.72 | $36.00 |
| 100+ | $0.64 | $64.00 |
| N+ | $0.13 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Richtek USA Inc. |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.58V @ 600mA (Typ) |
| Current - Output | 600mA |
| 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 RT9166A-12GXL is a low dropout regulator providing a fixed 1.2V output from a 600mA source. With a typical dropout of 0.58V at full load and a quiescent current of 300 µA, it balances efficiency with performance. The SOT-89-3 package offers a compact solution for space-limited designs requiring stable low-voltage rails.
- High Efficiency at Low Voltages: 0.58V dropout enables operation from 1.8V rails with minimal power loss.
- Compact Power Solution: SOT-89-3 package saves board space for portable devices.
- Good Noise Rejection: 55dB PSRR at 1kHz filters high-frequency switching noise.
- Moderate Quiescent Current: 300 µA balances standby power with fast transient response.
FPGA Core Power
600mA output with 0.58V dropout supplies low-voltage cores from 1.8V rails, maintaining tight regulation during logic switching.
DDR Memory Termination
1.2V output matches DDR3/DDR4 VTT requirements, with 55dB PSRR at 1kHz filtering switching noise.
Portable Gaming Consoles
SOT-89-3 package with low dropout extends playtime from single-cell Li-ion batteries.
Optical Transceivers
Stable 1.2V for laser driver bias circuits, ensuring consistent optical power output.
Wireless Charging Receivers
Low dropout maintains 1.2V output even as rectified voltage dips under load, improving charging efficiency.
Sensor Signal Chains
Clean 1.2V reference for low-voltage ADCs, reducing quantization errors in precision measurements.
- Q: What is the output voltage of the RT9166A-12GXL?
- A: The fixed output voltage is 1.2V.
- Q: What is the maximum output current?
- A: It can deliver up to 600mA.
- Q: What is the input voltage range?
- A: The input voltage is 1.2V (typical operating range extends higher).
- Q: What is the dropout voltage?
- A: Dropout is 0.58V typical at 600mA.
- Q: What is the quiescent current?
- A: Quiescent current is 300 µA.
- Q: What package is available?
- A: Available in SOT-89-3 package.
RT9166A-12GXL.pdf
- Q: What is the output voltage of the RT9166A-12GXL?
- A: The fixed output voltage is 1.2V.
- Q: What is the maximum output current?
- A: It can deliver up to 600mA.
- Q: What is the input voltage range?
- A: The input voltage is 1.2V (typical operating range extends higher).
- Q: What is the dropout voltage?
- A: Dropout is 0.58V typical at 600mA.
- Q: What is the quiescent current?
- A: Quiescent current is 300 µA.
- Q: What package is available?
- A: Available in SOT-89-3 package.
