Richtek USA Inc. RT9078-30GQZ
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.80 | $1.80 |
| 15+ | $1.74 | $26.10 |
| 25+ | $1.70 | $42.50 |
| 50+ | $1.61 | $80.50 |
| 100+ | $1.42 | $142.00 |
| N+ | $0.28 | Price Inquiry |
Request Quote / Inquiry
| 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) | 3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.2V @ 300mA |
| Current - Output | 300mA |
| Current - Quiescent (Iq) | 4 µA |
| Current - Supply (Max) | - |
| PSRR | - |
| Control Features | Current Limit, Enable |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 4-XDFN Exposed Pad |
| Supplier Device Package | 4-ZQFN (1x1) |
| ROHS |  |
The RT9078-30GQZ from Richtek is a high-efficiency LDO linear regulator with a fixed 3.0V output and 300mA current capability. It features an ultra-low quiescent current of just 4 µA and a dropout voltage of 0.2V at full load. Packaged in a miniature 4-ZQFN (1x1mm) package, it is specifically designed for ultra-compact, battery-powered applications where power efficiency and space are critical.
- Ultra-Low Quiescent Current: 4 µA quiescent current dramatically extends battery life in standby-heavy applications.
- Miniature Package: The 1x1mm 4-ZQFN package is one of the smallest available, ideal for space-constrained designs.
- Low Dropout: 0.2V dropout at 300mA ensures efficient operation even with low input voltages.
- High Efficiency: The combination of low quiescent current and low dropout maximizes overall power conversion efficiency.
Ultra-Compact Wearables
The 1x1mm 4-ZQFN package and 4 µA quiescent current make it perfect for smart earbuds, smart rings, and other miniaturized wearables.
Energy Harvesting Systems
With an ultra-low 4 µA quiescent current, it is ideal for energy harvesting applications where every microamp of current is critical.
Battery-Powered IoT Sensors
The 300mA output and low dropout of 0.2V ensure stable 3V power for IoT sensors that transmit data intermittently.
Portable Medical Patches
Its tiny footprint and low power consumption make it suitable for wearable medical patches that monitor vital signs continuously.
Smart Home Devices
For battery-operated smart home sensors and controllers, the RT9078-30GQZ provides efficient, reliable power conversion.
Mobile Accessories
From wireless earbuds to portable chargers, this LDO offers a space-saving solution for 3V rails in compact consumer electronics.
- Q: What is the output voltage of the RT9078-30GQZ?
- A: The RT9078-30GQZ has a fixed output voltage of 3.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range starts from 3V (refer to datasheet for maximum).
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.2V at 300mA load.
- Q: What is the quiescent current?
- A: The quiescent current is extremely low at 4 µA, ideal for battery-powered applications.
- Q: What package is available?
- A: It comes in a tiny 4-ZQFN (1x1mm) package.
RT9078-30GQZ.pdf
- Q: What is the output voltage of the RT9078-30GQZ?
- A: The RT9078-30GQZ has a fixed output voltage of 3.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range starts from 3V (refer to datasheet for maximum).
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.2V at 300mA load.
- Q: What is the quiescent current?
- A: The quiescent current is extremely low at 4 µA, ideal for battery-powered applications.
- Q: What package is available?
- A: It comes in a tiny 4-ZQFN (1x1mm) package.
