Overview
The TPS7A3301RGWR, produced by Texas Instruments, is a high-performance, ultralow-noise negative voltage regulator. This component belongs to the TPS7A33 family, which is designed using an innovative bipolar process to achieve exceptional performance in high-accuracy and high-precision applications. The regulator is particularly suited for powering operational amplifiers, digital-to-analog converters (DACs), analog-to-digital converters (ADCs), and other high-performance analog circuitry.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Maximum Output Current | 1 | A |
| Input Voltage Range | -36 to -3 | V |
| Output Voltage Range | -1.18 to -33 | V |
| Power-Supply Rejection Ratio (PSRR) | > 60 dB | |
| Noise at Audio Band | 16.26 µVrms (IOUT = 1mA), 16.48 µVrms (IOUT = 1A) | |
| Operating Temperature Range | -40°C to 125°C | |
| Package Type | TO-220 | |
| Internal Current Limit | 1.9 A (typical) | |
| Thermal Shutdown Protection | Yes |
Key Features
- Ultralow-noise performance, making it ideal for audio and high-precision analog applications.
- Very high power-supply rejection ratio (PSRR) of more than 60 dB.
- Stable operation with ceramic capacitors ≥10 μF.
- Built-in current limit and thermal shutdown protection to ensure device and system safety during fault conditions.
- External heatsink-capable, high thermal performance TO-220 package.
- Enable pin for easy on/off control.
Applications
- Supply rails for operational amplifiers, DACs, ADCs, and other high-precision analog circuitry.
- Post DC-DC converter regulation.
- Audio applications requiring clean voltage rails.
- High-performance instrumentation and measurement systems.
Q & A
- What is the maximum output current of the TPS7A3301RGWR?
The maximum output current is 1 A.
- What is the input voltage range for the TPS7A3301RGWR?
The input voltage range is from -36 V to -3 V.
- What is the output voltage range for the TPS7A3301RGWR?
The output voltage range is from -1.18 V to -33 V.
- What is the power-supply rejection ratio (PSRR) of the TPS7A3301RGWR?
The PSRR is greater than 60 dB.
- Does the TPS7A3301RGWR have built-in current limit and thermal shutdown protection?
Yes, it does.
- What type of package does the TPS7A3301RGWR come in?
The TPS7A3301RGWR comes in a TO-220 package.
- What is the operating temperature range for the TPS7A3301RGWR?
The operating temperature range is from -40°C to 125°C.
- Is the TPS7A3301RGWR suitable for audio applications?
Yes, it is highly suitable due to its ultralow-noise performance.
- Can the TPS7A3301RGWR be used for post DC-DC converter regulation?
Yes, it can be used for post DC-DC converter regulation.
- Does the TPS7A3301RGWR have an enable pin for on/off control?
Yes, it does.
