Richtek USA Inc. RT9166A-33GXL
| 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) | 3.3V |
| 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-33GXL from Richtek is a fixed 3.3V low-dropout regulator capable of delivering 600mA. With a typical dropout of 0.58V at full load and a wide input range up to 12V, it is a versatile solution for industrial and consumer applications. The SOT-89-3 package provides excellent thermal performance, while 55dB PSRR at 1kHz ensures stable output.
- High Output Current: 600mA capability supports power-hungry digital loads and multiple peripherals.
- Wide Input Voltage Range: Accepts up to 12V, making it suitable for automotive and industrial rails.
- Excellent Thermal Performance: SOT-89-3 package dissipates heat effectively for reliable operation.
- Low Dropout: 0.58V dropout at 600mA minimizes power loss in 5V to 3.3V conversion.
High-Current 3.3V Rail for Microcontrollers
The 600mA output capability comfortably powers modern MCUs and their peripherals, providing a stable 3.3V rail from a 5V supply.
Industrial Sensors and Actuators
With a wide input range up to 12V, it can regulate down to 3.3V for industrial control modules, handling voltage transients.
LED Driver Bias Supply
Use it to power LED driver ICs requiring a clean 3.3V bias voltage, with the 600mA capacity supporting multiple driver channels.
Networking Equipment
In routers and switches, it provides a reliable 3.3V rail for PHY chips and switch ICs, with low dropout ensuring efficiency.
Consumer Electronics
For set-top boxes and gaming peripherals, the SOT-89-3 package offers good thermal dissipation for continuous 600mA loads.
Automotive Infotainment
The 12V input tolerance makes it suitable for automotive environments, powering 3.3V logic from the car battery rail.
- Q: What is the output voltage of the RT9166A-33GXL?
- A: It provides a fixed output voltage of 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 600mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 3.3V up to 12V.
- Q: What is the dropout voltage?
- A: The typical dropout voltage is 0.58V at a 600mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 300 µA.
- Q: What package is available?
- A: It comes in a SOT-89-3 package.
RT9166A-33GXL.pdf
- Q: What is the output voltage of the RT9166A-33GXL?
- A: It provides a fixed output voltage of 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 600mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is from 3.3V up to 12V.
- Q: What is the dropout voltage?
- A: The typical dropout voltage is 0.58V at a 600mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 300 µA.
- Q: What package is available?
- A: It comes in a SOT-89-3 package.
