The TL1963A from Texas Instruments is a highly integrated, low-dropout regulator (LDO) designed for applications that require low noise, fast transient response, and high power supply rejection ratio (PSRR). This premium LDO is perfect for sensitive analog circuitry, RF applications, and post-regulation for switching power supplies.
Key Features
- Low Dropout: The TL1963A boasts a very low dropout voltage, ensuring efficient operation even when the input voltage is close to the output voltage.
- High PSRR: With a high PSRR of 50 dB at 1 kHz, this LDO effectively filters out supply noise, delivering a clean and stable output voltage, which is crucial for RF and precision analog circuits.
- Adjustable Output: The output voltage is adjustable from 1.21 V to 20 V with external resistors, providing flexibility for a wide range of applications.
- Fast Transient Response: It has an excellent transient response, which helps to maintain output voltage stability during rapid changes in load current.
- Low Noise: The TL1963A is optimized for low noise operation, making it suitable for noise-sensitive applications such as audio and instrumentation.
Applications
The TL1963A's superior performance characteristics make it an ideal choice for a variety of applications, including:
- High-end Audio Equipment
- Precision Analog Systems
- Radios and RF Circuitry
- Post-Regulation for Switching Supplies
- Microprocessor Power Supplies
Quality and Reliability
Texas Instruments is known for its commitment to quality and reliability. The TL1963A is no exception, with its robust thermal performance and built-in protection features such as overcurrent and overtemperature shutdown. It is available in multiple package options, including TO-220, TO-263, and SOT-223, to suit various design requirements.
Technical Specifications
Parameter
Value
Output Voltage Range
1.21 V to 20 V
Dropout Voltage (Typical)
340 mV at 1.5 A
PSRR
50 dB at 1 kHz
Output Noise
33 µVrms (10 Hz to 100 kHz)
Package Options
TO-220, TO-263, SOT-223
With its exceptional feature set, the TL1963A from Texas Instruments stands out as a high-performance solution for demanding power regulation applications.
