Richtek USA Inc. RT9198-33GU5R
| 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) | 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.33V @ 300mA |
| Current - Output | 300mA |
| Current - Quiescent (Iq) | 130 μA |
| Current - Supply (Max) | - |
| PSRR | 60dB ~ 30dB (100Hz ~ 10kHz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 5-TSSOP, SC-70-5, SOT-353 |
| Supplier Device Package | SC-70-5R |
| ROHS |
The RT9198-33GU5R is a fixed 3.3V low dropout regulator from Richtek, delivering 300mA with a dropout of 0.33V. Its 130 μA quiescent current and high PSRR make it an excellent choice for battery-powered and noise-sensitive applications. The SC-70-5R package is ideal for compact designs.
- Low Quiescent Current: 130 μA extends battery life in portable devices.
- High PSRR: 60dB at 100Hz ensures clean output for sensitive electronics.
- Low Dropout: 0.33V at 300mA maximizes efficiency.
- Small Package: SC-70-5R enables miniaturized designs.
General-Purpose 3.3V Systems
Power microcontrollers, sensors, and logic ICs with a stable 3.3V rail, supporting up to 300mA of load current.
Battery-Powered IoT Devices
The 130 μA quiescent current is perfect for smart home sensors and remote monitors that need long battery life.
RF Transceivers
Provide clean 3.3V to RF transceivers, with high PSRR reducing interference from switching regulators.
Industrial Control Interfaces
Regulate 3.3V for PLC I/O modules and fieldbus interfaces, ensuring reliable operation in noisy environments.
Portable Test Equipment
Ideal for handheld meters and calibrators, offering low dropout and stable output from battery supplies.
- Q: What is the output voltage of the RT9198-33GU5R?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: The maximum output current is 300mA.
- 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.
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.33V at 300mA.
- Q: What is the quiescent current?
- A: The quiescent current is 130 μA.
- Q: What package is available?
- A: This model is in the SC-70-5R package.
- Q: What is the output voltage of the RT9198-33GU5R?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: The maximum output current is 300mA.
- 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.
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.33V at 300mA.
- Q: What is the quiescent current?
- A: The quiescent current is 130 μA.
- Q: What package is available?
- A: This model is in the SC-70-5R package.

RT9198-33GU5R.pdf