Richtek USA Inc. RT9198-33GBG
| 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 | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5G |
| ROHS |  |
The RT9198-33GBG is a fixed 3.3V low dropout linear regulator from Richtek, capable of delivering 300mA with a low dropout voltage of just 0.33V. Its ultra-low 130 μA quiescent current makes it ideal for battery-operated equipment. The device offers excellent power supply rejection (60dB at 100Hz), ensuring clean output for sensitive electronics. Housed in a compact SOT-23-5G package, it is a reliable solution for space-constrained designs.
- Extended Battery Life: Ultra-low 130 μA quiescent current minimizes standby power draw, ideal for portable devices.
- High Efficiency at Low Dropout: 0.33V dropout at 300mA allows operation from nearly depleted batteries, maximizing usable energy.
- Clean Output Power: PSRR of 60dB at 100Hz and 30dB at 10kHz suppresses input noise, protecting sensitive loads.
- Compact Footprint: SOT-23-5G package saves PCB space without compromising 300mA output capability.
Portable Battery-Powered Devices
The low 130 μA quiescent current extends battery life in wearables, IoT sensors, and handheld instruments where standby power is critical.
Noise-Sensitive Analog Circuits
With PSRR of 60dB at 100Hz, this LDO effectively filters power supply ripple for precision op-amps, ADCs, and audio codecs.
Wireless Communication Modules
Stable 3.3V rail with good high-frequency PSRR (30dB at 10kHz) supports RF transceivers and Bluetooth/Wi-Fi modules, reducing interference.
Microcontroller Power Supply
Provides clean, regulated 3.3V for MCUs and digital logic, ensuring reliable operation even with varying input from batteries or adapters.
Sensor Interface Boards
Ideal for powering MEMS sensors and signal conditioning circuits that require a stable, low-noise voltage reference.
Industrial Control Systems
The SOT-23-5G package and 300mA capability suit compact PLC I/O modules and field transmitters needing efficient local regulation.
- Q: What is the output voltage of the RT9198-33GBG?
- A: The RT9198-33GBG provides a fixed output voltage of 3.3V.
- Q: What is the maximum output current?
- A: This LDO can deliver up to 300mA of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly specified in the provided data; however, the device is designed for 3.3V output applications. Please refer to the datasheet for the full input range.
- 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 available?
- A: This model comes in the SOT-23-5G package.
RT9198-33GBG.pdf
- Q: What is the output voltage of the RT9198-33GBG?
- A: The RT9198-33GBG provides a fixed output voltage of 3.3V.
- Q: What is the maximum output current?
- A: This LDO can deliver up to 300mA of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly specified in the provided data; however, the device is designed for 3.3V output applications. Please refer to the datasheet for the full input range.
- 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 available?
- A: This model comes in the SOT-23-5G package.
