Richtek USA Inc. RT9073A-12GQZ
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.58 | $0.58 |
| 15+ | $0.56 | $8.40 |
| 25+ | $0.55 | $13.75 |
| 50+ | $0.52 | $26.00 |
| 100+ | $0.46 | $46.00 |
| N+ | $0.09 | 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) | 1.2V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1.2V @ 250mA |
| Current - Output | 250mA |
| Current - Quiescent (Iq) | 3 µA |
| Current - Supply (Max) | 500 µA |
| PSRR | 75dB (1kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 4-XDFN Exposed Pad |
| Supplier Device Package | 4-ZQFN (1x1) |
| ROHS |  |
The Richtek RT9073A-12GQZ is a fixed 1.2V LDO regulator capable of 250mA output. Its 3µA quiescent current and 75dB PSRR at 1kHz make it suitable for battery-operated, noise-sensitive applications. The ultra-compact 4-ZQFN (1x1mm) package is perfect for space-constrained designs.
- Space-Saving Design: 1x1mm ZQFN package is among the smallest available, ideal for miniaturized electronics.
- Low Power Consumption: 3µA quiescent current extends battery life in portable devices.
- Excellent Noise Rejection: 75dB PSRR at 1kHz ensures stable output for RF and analog circuits.
- High Current Density: 250mA capability in a tiny footprint supports power-hungry loads.
Ultra-Compact Wearables
The 1x1mm ZQFN package fits into tiny earbuds and smart rings, providing a stable 1.2V rail for low-power MCUs.
Portable Medical Devices
Low 3µA quiescent current preserves battery in glucose monitors and hearing aids, while 75dB PSRR ensures reliable operation.
Wireless Sensor Nodes
Ideal for 1.2V logic in sensor nodes, the low dropout and small size enable dense PCB layouts in environmental monitoring.
Battery-Powered Remote Controls
Maintains stable voltage for IR/RF transmitters, extending battery life between replacements.
IoT Modules
Powers 1.2V digital cores in Wi-Fi/Bluetooth modules, with low quiescent current for sleep modes.
Portable Gaming Devices
Provides clean 1.2V supply for low-power processors, reducing noise-induced errors.
- Q: What is the output voltage?
- A: Fixed 1.2V output.
- Q: What is the maximum output current?
- A: Up to 250mA.
- Q: What is the input voltage range?
- A: Not specified in provided data; consult the datasheet.
- Q: What is the dropout voltage?
- A: 1.2V at 250mA load.
- Q: What is the quiescent current?
- A: Very low 3µA.
- Q: What package is it available in?
- A: 4-ZQFN (1x1mm) ultra-compact package.
RT9073A-12GQZ.pdf
- Q: What is the output voltage?
- A: Fixed 1.2V output.
- Q: What is the maximum output current?
- A: Up to 250mA.
- Q: What is the input voltage range?
- A: Not specified in provided data; consult the datasheet.
- Q: What is the dropout voltage?
- A: 1.2V at 250mA load.
- Q: What is the quiescent current?
- A: Very low 3µA.
- Q: What package is it available in?
- A: 4-ZQFN (1x1mm) ultra-compact package.
