Richtek USA Inc. RT9198-18GB
| 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) | 1.8V |
| 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 | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| ROHS |  |
The RT9198-18GB is a fixed 1.8V low dropout regulator from Richtek, delivering 300mA with a dropout of only 0.33V. Its 130 μA quiescent current and high PSRR make it a robust choice for battery-powered and noise-sensitive applications. The SOT-23-5 package provides a practical balance of size and thermal performance.
- Low Dropout: 0.33V at 300mA allows operation from low input margins.
- Low Quiescent Current: 130 μA helps maximize battery runtime.
- High PSRR: 60dB at 100Hz ensures clean output for analog and RF circuits.
- Versatile Package: SOT-23-5 is widely used and easy to assemble.
Digital Logic Power
Provide a stable 1.8V rail for FPGAs, CPLDs, and logic ICs, with 300mA capacity for core and I/O circuits.
Battery-Powered Instruments
The 130 μA quiescent current is ideal for multimeters and portable test equipment that require long standby times.
Communication Interfaces
Power RS-232 transceivers or CAN transceivers with a clean 1.8V supply, reducing signal integrity issues.
Memory Modules
Supply low-noise 1.8V to DDR memory termination or flash memory, ensuring reliable data retention.
Industrial Sensors
Regulate power for 4-20mA loop-powered sensors, where low dropout and high PSRR are essential.
- Q: What is the output voltage of the RT9198-18GB?
- A: The fixed output voltage is 1.8V.
- 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 SOT-23-5 package.
RT9198-18GB.pdf
- Q: What is the output voltage of the RT9198-18GB?
- A: The fixed output voltage is 1.8V.
- 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 SOT-23-5 package.
