Richtek USA Inc. RT9198-28GBR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.73 | $0.73 |
| 15+ | $0.71 | $10.65 |
| 25+ | $0.69 | $17.25 |
| 50+ | $0.65 | $32.50 |
| 100+ | $0.58 | $58.00 |
| N+ | $0.12 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Richtek USA Inc. |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 2.8V |
| 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-23-5R |
| ROHS |  |
The RT9198-28GBR from Richtek USA Inc. is a low-dropout linear regulator delivering a fixed 2.8V output at up to 300mA. With a dropout voltage of 0.33V and quiescent current of 130µA, it offers a balance of performance and power efficiency. The device features PSRR of 60dB at 100Hz, making it suitable for RF and audio applications. Packaged in a SOT-23-5R, it is ideal for compact designs.
- RF-Friendly Noise Performance: 60dB PSRR at 100Hz reduces interference in wireless systems.
- High Output Current: 300mA supports power-hungry modules like BLE SoCs.
- Low Dropout: 330mV at full load maintains regulation near battery end-of-life.
- Compact SOT-23-5R: Small footprint for space-constrained PCBs.
RF Transceivers
Provides a clean 2.8V supply with 60dB PSRR at 100Hz, reducing interference in wireless communication.
Bluetooth Modules
300mA output supports BLE SoCs, while low dropout maintains voltage during peak current draws.
Digital Cameras
Stable 2.8V rail for image sensors and DSP cores in compact camera modules.
GPS Receivers
Low noise output ensures accurate signal processing in navigation devices.
Portable Gaming Consoles
Reliable power for processors and displays, with SOT-23-5R package for space savings.
Battery Management ICs
Provides a stable reference voltage for monitoring circuits in battery packs.
- Q: What is the output voltage?
- A: The fixed output voltage is 2.8V.
- Q: What is the maximum output current?
- A: It can supply up to 300mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: Dropout is 0.33V at 300mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 130 µA.
- Q: What package is available?
- A: It comes in a SOT-23-5R package.
RT9198-28GBR.pdf
- Q: What is the output voltage?
- A: The fixed output voltage is 2.8V.
- Q: What is the maximum output current?
- A: It can supply up to 300mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: Dropout is 0.33V at 300mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 130 µA.
- Q: What package is available?
- A: It comes in a SOT-23-5R package.
