1A, low noise (3.8-μVRMS), LDO voltage regulator 'TPS7A91'
The TPS7A91 is a low-noise (4.7µVRMS), low dropout (LDO) voltage regulator that can supply 1A, with a maximum dropout of just 200mV. The output can be adjusted from 0.8V to 5.2V using external resistors. The TPS7A91 supports a wide input voltage range, operating from a minimum of 1.4V to a maximum of 6.5V. This product is designed to power noise-sensitive components in applications such as high-speed communications, video, medical, and test and measurement. With an output noise of just 4.7µVRMS and a wide bandwidth PSRR (40dB at 1MHz), phase noise and clock jitter are minimized. 【Features】 ■ 1.0% accuracy across line, load, and temperature ranges ■ Low output noise: 4.7µVRMS (10Hz to 100kHz) ■ Low dropout: 200mV (maximum) at 1A ■ Wide input voltage range: 1.4V to 6.5V ■ Wide output voltage range: 0.8V to 5.2V *For more details, please contact us.
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basic information
【Other Features】 ■ High power supply ripple rejection (PSRR) ・ 70dB at DC ・ 40dB at 100kHz ・ 40dB at 1MHz ■ Fast transient response ■ Variable control of inrush current during startup and selection of charging current during soft start ■ Open-drain power good (PG) output ■ 10-pin SON package measuring 2.5mm x 2.5mm *For more details, please contact us.
Applications/Examples of results
【Applications】 ■ High-speed analog circuits ・VCO, ADC, DAC, LVDS ■ Imaging: CMOS sensors, video ASICs ■ Test/measurement equipment ■ Measurement, medical, audio equipment ■ Digital loads: SerDes, FPGA, DSP *For more details, please contact us.
Company information
Texas Instruments (Headquarters: Dallas, Texas, USA; Chairman, President, and CEO: Rich Templeton; Abbreviation: TI) supports customers in developing new electronic devices that make the world "more convenient, healthier, safer, environmentally friendly, and enjoyable," and works together to solve challenges. TI has manufacturing, design, and sales locations in over 30 countries worldwide and continues to pursue innovation. TI's analog ICs and embedded processing support everyday life from behind the scenes in a society overflowing with digital devices. The company is actively investing in products and technologies for markets that will become increasingly important in the future, such as the environment, energy, healthcare, medical devices, and security. Technical Inquiry Contact TI Japan Product Information Center 【http://www.tij.co.jp/pic/】
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