3PEAK Unveils TPL8033, a Next-generation Linear Regulator Featuring Ultra-low Noise and Ultra-high PSRR
3PEAK, a semiconductor company focusing on high-performance analog chips and embedded processors unveils TPL8033, a next-generation linear regulator featuring ultra-low noise and ultra-high PSRR. The product supports a wide voltage input range (2.5V to 20V), ultra-low output voltage noise (1μVRMS), and ultra-high PSRR (110dB@1kHz, 80dB@1MHz). By virtue of its outstanding performance, TPL8033 is widely used in VCO, PLL, ADC, and other scenarios requiring low-noise power supplies.
Highlights of TPL8033
Operating Voltage Range: 2.5V to 20V
Output Voltage Range: 1.2V to 15V, Adjustable Output
Output Current: 200mA
Dropout Voltage Difference: 400mV at a 200mA Full Load
High-accuracy Output within the Full Temperature Range: ±2%
Ultra-high Power Supply Ripple Rejection
- 110dB@1kHz
- 80dB@1MHz
Ultra-low Output Voltage Noise of 1μVRMS
Excellent Output Transient Response
Supported Output Capacitance: 4.7μF to 100μF
Adjustable Power-good Voltage Threshold
Adjustable Overcurrent Protection Threshold
Packaged with Exposed Pad: DFN3X3-10
Wide Operating Temperature Range: -40℃ to +125℃
Advantages of TPL8033
Ultra-high Power Supply Ripple Rejection
Power Supply Ripple Rejection (PSRR) is used to evaluate the impact of a power supply on the output of a circuit. A higher PSRR value means that the power supply has less impact on the circuit output, leading to better stability and reliability of the circuit. The PSRR of TPL8033 is 110dB at 1kHz and 80dB at 1MHz.
PSRR Curve of TPL8033
Ultra-low Output Voltage Noise
The optimized internal reference source, error amplifier, and power transistors of TPL8033 improve the noise performance and achieve an ultra-low noise output capability of 1μVRMS.
Noise Spectral Density Curve of TPL8033
Typical Application of TPL8033
TPL8033 supports voltage inputs from 2.5V to 20V and guarantees a current output of 200mA at a dropout voltage of 400mV. In addition, its power-good voltage threshold and overcurrent protection threshold are configurable. Below is the circuit diagram of a typical application for TPL8033. SET is connected to a 4.7μF capacitor to ground to further improve the PSRR and transient response of TPL8033 while reducing the output voltage noise.
Typical Application of TPL8033
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