Overview
The TPS7A4700RGWR is a low-dropout (LDO) linear voltage regulator designed for high-precision, low-noise power applications. It is widely used in GNSS modules, precision analog circuits, and RF communication devices, where ultra-low noise and excellent load regulation are required.
The device provides a stable 4.7 V output with high PSRR, making it suitable for sensitive electronics. TPS7A4700RGWT is the tape-and-reel version for automated assembly.
Core Parameters
| Parameter | Value |
|---|---|
| Output Voltage | 4.7 V |
| Max Output Current | 1 A |
| Dropout Voltage | 350 mV at 1 A |
| Line Regulation | 0.01 %/V |
| Load Regulation | 0.05 % |
| Output Noise | 4 µVRMS (10 Hz–100 kHz) |
These parameters make the device suitable for precision GNSS, analog, and RF applications, especially where low noise and tight voltage tolerance are critical.
Features
- Ultra-low noise: 4 µVRMS
- High PSRR: 75 dB at 10 kHz
- Wide input voltage: 3–36 V
- Adjustable or fixed output
- Current limit and thermal shutdown
- Stable with low ESR ceramic capacitors
Typical Application Scenarios
- GNSS modules and receivers
- High-precision analog sensors
- RF communication circuits
- Test and measurement equipment
The TPS7A4700RGWR is often used alongside the MAX-M10S-00B GNSS module to provide ultra-clean, low-noise power, ensuring stable operation and accurate positioning in sensitive satellite navigation applications.
Performance Comparison
Compared to standard LDOs like TPS7A3301, the TPS7A4700RGWR offers significantly lower output noise and higher current capability, making it ideal for sensitive applications requiring clean power.
Conclusion
The TPS7A4700RGWR provides a reliable solution for low-noise, high-precision voltage regulation in demanding electronic systems. Its robustness and performance make it a top choice for designers seeking stable analog and RF operation.
Manufacturer Profile
Texas Instruments (TI) is a global semiconductor company specializing in analog and embedded processing products. TI provides comprehensive technical documentation, evaluation tools, and strong global support for its LDO regulators.
FAQ
Q1: What makes TPS7A4700RGWR suitable for GNSS modules?
Its ultra-low output noise and high PSRR ensure stable voltage for sensitive GNSS circuitry, reducing signal interference.
Q2: What is the maximum current TPS7A4700RGWR can deliver?
It can deliver up to 1 A continuously while maintaining low noise and stable regulation.
Q3: Can TPS7A4700RGWR operate with ceramic capacitors?
Yes, it is fully stable with low-ESR ceramic capacitors, ensuring compact and efficient PCB designs.
Q4: How can the quality of TPS7A4700RGWR be verified?
7SEtronic has a complete quality inspection SOP covering labels, visual inspection, and X-RAY testing for reference.
For more information and to review our available inventory, please contact our team for detailed pricing, current stock levels, and any additional technical support you may need.
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