Richtek USA Inc. RT9198-18GBG
| 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-23-5G |
| ROHS |  |
The RT9198-18GBG is a fixed-output low dropout linear regulator from Richtek, delivering a stable 1.8V rail at up to 300mA. Its low 130 μA quiescent current and 0.33V dropout voltage make it ideal for battery-powered and portable applications. The SOT-23-5G package provides a compact solution for space-constrained designs, while high PSRR ensures clean power for noise-sensitive circuits.
- Efficient Power Management: Low 130 μA quiescent current extends battery life in portable devices.
- Excellent Noise Suppression: PSRR of 60dB to 30dB (100Hz-10kHz) ensures clean output for sensitive electronics.
- Low Dropout Voltage: 0.33V dropout at 300mA allows efficient operation near the output voltage.
- Compact SOT-23-5G Package: Saves PCB space for miniaturized designs.
Digital Core Power Supplies
The fixed 1.8V output is ideal for powering digital cores in MCUs, FPGAs, and application processors that require a stable, low-noise supply up to 300mA.
Battery-Powered IoT Devices
With 130 μA quiescent current, this regulator minimizes power drain in battery-operated IoT sensors, smart tags, and wireless modules, extending operational life.
Noise-Sensitive RF Circuits
High PSRR (60dB at 100Hz, 30dB at 10kHz) ensures clean power for RF transceivers, GPS modules, and Bluetooth devices, reducing interference and improving signal quality.
Portable Medical Devices
The low dropout voltage and stable output make it suitable for portable medical instruments like glucose monitors and pulse oximeters that require reliable power.
Consumer Electronics
Ideal for cameras, portable audio players, and gaming controllers where efficient power regulation and small footprint are essential.
Automotive Accessories
The SOT-23-5G package and robust performance make it suitable for automotive infotainment and telematics modules requiring clean 1.8V rails.
- Q: What is the output voltage of the RT9198-18GBG?
- A: The RT9198-18GBG provides a fixed output voltage of 1.8V.
- Q: What is the maximum output current?
- A: This LDO can deliver up to 300mA of output current.
- 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 for this parameter.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.33V at a 300mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 130 μA.
- Q: What package is the RT9198-18GBG available in?
- A: It is available in the SOT-23-5G package.
RT9198-18GBG.pdf
- Q: What is the output voltage of the RT9198-18GBG?
- A: The RT9198-18GBG provides a fixed output voltage of 1.8V.
- Q: What is the maximum output current?
- A: This LDO can deliver up to 300mA of output current.
- 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 for this parameter.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.33V at a 300mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 130 μA.
- Q: What package is the RT9198-18GBG available in?
- A: It is available in the SOT-23-5G package.
