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Linear regulator featuring ultra-low noise and ultra-high PSRR

16/02/2024

TPL8033, a next-generation linear regulator that supports a wide voltage input range (2.5 V to 20 V), ultra-low output voltage noise (1 μVRMS), and ultra-high PSRR (110 dB@1 kHz, 80 dB@1 MHz). TPL8033 is widely used in VCO, PLL, ADC, and other scenarios requiring low-noise power supplies.

  • 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 110 dB at 1 kHz and 80 dB at 1 MHz.
  • 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 1 μVRMS.

Main Features

  • Operating Voltage Range: 2.5 V to 20 V
  • Output Voltage Range: 1.2 V to 15 V, Adjustable Output
  • Output Current: 200 mA
  • Dropout Voltage Difference: 400 mV at a 200 mA Full Load
  • High-accuracy Output within the Full Temperature Range: ±2%
  • Ultra-high Power Supply Ripple Rejection
  • 110 dB@1 kHz
  • 80 dB@1 MHz
  • Ultra-low Output Voltage Noise of 1 μVRMS
  • Excellent Output Transient Response
  • Supported Output Capacitance: 4.7 μF to 100 μF
  • Adjustable Power-good Voltage Threshold
  • Adjustable Overcurrent Protection Threshold
  • Packaged with Exposed Pad: DFN3X3-10
  • Wide Operating Temperature Range: -40°C to +125°C
Documents Tech question
3peak TPL8033

Linear regulator featuring ultra-low noise and ultra-high PSRR

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3Peak

3PEAK is committed to the research and development of high-performance, high-quality, and highly reliable integrated circuit products, including signal chains, power analog chips, mixed-signal front-ends, and embedded processors to provide customers with all-around solutions.

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Documents

  • 3peak Datasheet TPL8033
Pexels thisisengineering 3913017

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