Texas Instruments TPS7A4700RGWR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.72 | $4.72 |
| 15+ | $4.57 | $68.55 |
| 25+ | $4.47 | $111.75 |
| 50+ | $4.22 | $211.00 |
| 100+ | $3.73 | $373.00 |
| N+ | $0.75 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 35V |
| Voltage - Output (Min/Fixed) | 1.4V |
| Voltage - Output (Max) | 20.5V |
| Voltage Dropout (Max) | 0.45V @ 1A |
| Current - Output | 1A |
| Current - Quiescent (Iq) | 1 mA |
| Current - Supply (Max) | 6.1 mA |
| PSRR | 78dB (1kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-VQFN Exposed Pad |
| Supplier Device Package | 20-VQFN (5x5) |
| ROHS |
The TPS7A4700RGWR from Texas Instruments is a high-performance, low dropout linear regulator designed for noise-sensitive applications. It delivers up to 1A of output current with an adjustable output voltage from 1.4V to 20.5V. Featuring an impressive PSRR of 78dB at 1kHz and a low dropout of 0.45V at full load, this regulator ensures clean, stable power. The 20-VQFN (5x5) package is compact yet thermally efficient.
- Excellent Noise Rejection: 78dB PSRR at 1kHz ensures clean power for sensitive analog and RF circuits.
- Wide Adjustable Output Range: From 1.4V to 20.5V, providing flexibility for various applications.
- High Current Capacity: 1A output supports demanding loads like FPGAs and precision analog systems.
- Low Dropout Voltage: 0.45V at 1A minimizes power loss and improves efficiency.
High-Performance Audio Equipment
With 78dB PSRR at 1kHz and low noise, the TPS7A4700RGWR is perfect for powering DACs, op-amps, and audio codecs, ensuring pristine sound quality by rejecting power supply ripple.
Precision Analog Front-Ends
For high-resolution ADCs and sensor signal conditioning, this LDO provides a clean, stable supply voltage, minimizing conversion errors and improving measurement accuracy.
RF and Wireless Transceivers
The excellent PSRR helps maintain a clean supply for RF PLLs and VCOs, reducing phase noise and improving signal integrity in communication systems.
FPGA and DSP Core Supplies
With 1A output and adjustable voltage down to 1.4V, it can power low-voltage digital cores while maintaining low dropout and high efficiency.
Laboratory Test Equipment
For benchtop instruments requiring multiple clean voltage rails, the TPS7A4700RGWR offers the flexibility and performance needed for accurate measurements.
Medical Imaging Systems
In MRI or ultrasound equipment, low-noise power is critical. This regulator's high PSRR ensures stable operation in electrically noisy environments.
- Q: What is the output voltage range of the TPS7A4700RGWR?
- A: The output voltage is adjustable from 1.4V to 20.5V.
- Q: What is the maximum output current?
- A: It can provide up to 1A of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly specified; refer to the datasheet for absolute maximum ratings.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.45V at a 1A load.
- Q: What is the quiescent current?
- A: The quiescent current is 1 mA.
- Q: What is the PSRR performance?
- A: It offers excellent PSRR of 78dB at 1kHz, ideal for noise-sensitive applications.
- Q: What is the output voltage range of the TPS7A4700RGWR?
- A: The output voltage is adjustable from 1.4V to 20.5V.
- Q: What is the maximum output current?
- A: It can provide up to 1A of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly specified; refer to the datasheet for absolute maximum ratings.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.45V at a 1A load.
- Q: What is the quiescent current?
- A: The quiescent current is 1 mA.
- Q: What is the PSRR performance?
- A: It offers excellent PSRR of 78dB at 1kHz, ideal for noise-sensitive applications.

TPS7A4700RGWR.pdf