Richtek USA Inc. RT9078-31GQZ
| 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 | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 3.1V |
| 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 RT9078-31GQZ from Richtek is a high-performance 300mA LDO linear regulator delivering a fixed 3.1V output. Its ultra-low 4µA quiescent current and 0.2V dropout voltage make it ideal for battery-powered applications. Housed in a compact 4-ZQFN (1x1mm) package, it offers excellent thermal performance and space savings for modern portable electronics.
- Extended Battery Life: 4µA quiescent current minimizes standby power consumption.
- Compact Footprint: 1x1mm ZQFN package saves critical board space.
- High Efficiency: 0.2V dropout at 300mA reduces power dissipation.
- Stable Output: Fixed 3.1V ensures consistent performance for sensitive loads.
Battery-Powered IoT Sensors
The 4µA quiescent current extends battery life in always-on sensor nodes, while the 1x1mm package fits space-constrained designs.
Wearable Devices
Ultra-small ZQFN package and 300mA capability support compact fitness trackers and smartwatches requiring stable 3.1V rails.
Portable Medical Monitors
Low dropout of 0.2V ensures regulation even as battery voltage sags, maintaining reliable operation for glucose meters and pulse oximeters.
Wireless Modules
Provides clean 3.1V supply for Bluetooth and Zigbee modules, with low quiescent current during sleep modes.
Energy Harvesting Systems
Efficient operation from low-voltage sources, with minimal ground current to maximize harvested energy utilization.
Reference Voltage Buffers
Stable output for ADC references in portable instrumentation, ensuring accurate measurements with minimal noise.
- Q: What is the output voltage of the RT9078-31GQZ?
- A: The fixed output voltage is 3.1V.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA.
- Q: What is the input voltage range?
- A: The input voltage is 3.1V (typical operating condition).
- Q: What is the dropout voltage?
- A: Dropout is 0.2V at 300mA load.
- Q: What is the quiescent current?
- A: Ultra-low quiescent current of 4µA.
- Q: What package is available?
- A: 4-ZQFN (1x1mm) ultra-compact package.
RT9078-31GQZ.pdf
- Q: What is the output voltage of the RT9078-31GQZ?
- A: The fixed output voltage is 3.1V.
- Q: What is the maximum output current?
- A: It can deliver up to 300mA.
- Q: What is the input voltage range?
- A: The input voltage is 3.1V (typical operating condition).
- Q: What is the dropout voltage?
- A: Dropout is 0.2V at 300mA load.
- Q: What is the quiescent current?
- A: Ultra-low quiescent current of 4µA.
- Q: What package is available?
- A: 4-ZQFN (1x1mm) ultra-compact package.
