Richtek USA Inc. RT9073-33GB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.03 | $1.03 |
| 15+ | $0.99 | $14.85 |
| 25+ | $0.97 | $24.25 |
| 50+ | $0.92 | $46.00 |
| 100+ | $0.81 | $81.00 |
| N+ | $0.16 | 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) | 0.6V @ 250mA |
| Current - Output | 250mA |
| Current - Quiescent (Iq) | 3 µA |
| Current - Supply (Max) | - |
| PSRR | 75dB (1kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| ROHS |  |
The RT9073-33GB is a fixed 3.3V low-dropout regulator from Richtek, capable of sourcing 250mA. With a quiescent current of just 3 µA and 75dB PSRR, it delivers clean, efficient power for battery-operated devices. The SOT-23-5 package makes it a versatile choice for compact PCB layouts.
- Efficient Power Conversion: Low 3 µA quiescent current reduces idle power loss, extending battery runtime.
- Noise Suppression: 75dB PSRR at 1kHz ensures a clean output, critical for RF and analog applications.
- Low Dropout: 0.6V dropout at 250mA allows operation from marginally higher input voltages.
- Design Flexibility: SOT-23-5 package is widely adopted and easy to integrate.
Microcontroller Power Supplies
Provides a stable 3.3V rail for MCUs in consumer electronics, with 250mA capacity and low dropout ensuring reliable operation from 3.6V Li-ion batteries.
Wireless Connectivity Modules
Ideal for Bluetooth and Zigbee modules requiring clean 3.3V; the 75dB PSRR reduces RF interference from the power line.
Portable Instrumentation
Low quiescent current preserves battery life in handheld multimeters and field sensors, while the SOT-23-5 package fits compact enclosures.
Automotive Interior Electronics
Regulates vehicle battery voltage to 3.3V for infotainment controllers and sensor hubs, with dropout of 0.6V supporting low-voltage cranking conditions.
LED Driver Bias Circuits
Supplies a stable 3.3V bias for LED driver ICs in display backlighting, ensuring consistent brightness and low noise.
- Q: What is the output voltage of the RT9073-33GB?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 250mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.6V at 250mA load.
- Q: What is the quiescent current?
- A: The quiescent current is a low 3 µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
RT9073-33GB.pdf
- Q: What is the output voltage of the RT9073-33GB?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 250mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.6V at 250mA load.
- Q: What is the quiescent current?
- A: The quiescent current is a low 3 µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
