TPS735

单输出 LDO、500mA、可调节低静态电流、低噪声、高 PSRR

The family of low-dropout LDO, low-power linear regulators offers excellent ac performance with very low ground current. High power-supply rejection ratio PSRR, low noise, fast start-up, and excellent line and load transient responses are provided while consuming a very low 46-μA typical ground current.

The TPS735 family of devices is stable with ceramic capacitors and uses an advanced BiCMOS fabrication process to yield a typical dropout voltage of 280 mV at 500-mA output. The TPS735 family of devices uses a precision voltage reference and feedback loop to achieve overall accuracy of 2% VOUT > 2.2 V over all load, line, process, and temperature variations. This family of devices is fully specified from TA = –40°C to 125°C and is offered in a low-profile, 3-mm × 3-mm SON-8 package and a 2-mm x 2-mm SON-6 package.

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Input Voltage: 2.7 V to 6.5 V

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500-mA Low-Dropout Regulator With EN

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Low IQ: 46 μA

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Multiple Output Voltage Versions Available:

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Fixed Outputs of 1.2 V to 4.3 V

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Adjustable Outputs from 1.25 V to 6 V

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High PSRR: 68 dB at 1 kHz

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Ultra-low Noise: 13.2 μVRMS

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Fast Start-Up Time: 45 μs

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Stable with a Standard, 2.2-μF, Low-ESR Output Capacitor

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Excellent Load and Line Transient Response

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2% Overall Accuracy Load, Line, and Temperature, VOUT > 2.2 V

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Very Low Dropout: 280 mV at 500 mA

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2-mm × 2-mm SON-6 and

3-mm × 3-mm SON-8 Packages

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