Richtek USA Inc. RT9198-31GY
| 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) | 3.1V |
| 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-82 |
| Supplier Device Package | SC-82 |
| ROHS |
The RT9198-31GY from Richtek is a fixed 3.1V low dropout regulator capable of delivering 300mA. With a low 130 μA quiescent current and a compact SC-82 package, it is designed for efficient power management in precision analog, portable, and battery-powered applications.
- Precise 3.1V Output: Ideal for systems needing a non-standard voltage rail.
- Low Quiescent Current: 130 μA extends battery life in portable devices.
- Small Form Factor: SC-82 package is perfect for compact designs.
- Stable Operation: Low dropout ensures reliable performance.
3.1V Logic Systems
Provides a precise 3.1V rail for systems that require slightly higher than standard 3.0V logic levels.
Battery-Powered Medical Devices
The low quiescent current and stable output make it suitable for portable health monitors.
Precision Analog Circuits
Offers a clean, low-noise supply for op-amps and ADC reference circuits.
Portable Communication Devices
Powers RF circuits and baseband processors in handheld radios and GPS units.
Automotive Electronics
Can be used in non-automotive-grade applications requiring a stable 3.1V supply.
Smart Home Sensors
Ideal for powering 3V-class sensors and microcontrollers in smart home devices.
- Q: What is the output voltage of the RT9198-31GY?
- A: The output voltage is fixed at 3.1V.
- Q: What is the maximum output current?
- A: It can provide up to 300mA of output current.
- Q: What is the input voltage range?
- A: The input voltage should be above 3.1V plus dropout; typical maximum is 5.5V. Refer to the datasheet for details.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.33V at 300mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 130 μA.
- Q: What package is this LDO available in?
- A: It comes in the SC-82 package.
- Q: What is the output voltage of the RT9198-31GY?
- A: The output voltage is fixed at 3.1V.
- Q: What is the maximum output current?
- A: It can provide up to 300mA of output current.
- Q: What is the input voltage range?
- A: The input voltage should be above 3.1V plus dropout; typical maximum is 5.5V. Refer to the datasheet for details.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.33V at 300mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 130 μA.
- Q: What package is this LDO available in?
- A: It comes in the SC-82 package.

RT9198-31GY.pdf