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ADP7157 - RF Linear Regulator

Key Features

  • Input voltage range: 2.3 V to 5.5 V Adjustable output voltage range (VOUT): 1.2 V to 3.3 V Maximum load current: 1.2 A Low noise 0.9 µV rms typical output noise from 100 Hz to 100 kHz 1.6 µV rms typical output noise from 10 Hz to 100 kHz Noise spectral density: 1.7 nV/√Hz from 10 kHz to 1 MHz Power supply rejection ratio (PSRR) 82 dB from 1 kHz to 100 kHz 55 dB at 1 MHz Dropout voltage: 120 mV typical at IOUT = 1.2 A, VOUT = 3.3 V Initial accuracy: ±0.6% at ILOAD = 10 mA Accuracy over line, load.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Data Sheet 1.2 A, Ultralow Noise, High PSRR, RF Linear Regulator ADP7157 FEATURES Input voltage range: 2.3 V to 5.5 V Adjustable output voltage range (VOUT): 1.2 V to 3.3 V Maximum load current: 1.2 A Low noise 0.9 µV rms typical output noise from 100 Hz to 100 kHz 1.6 µV rms typical output noise from 10 Hz to 100 kHz Noise spectral density: 1.7 nV/√Hz from 10 kHz to 1 MHz Power supply rejection ratio (PSRR) 82 dB from 1 kHz to 100 kHz 55 dB at 1 MHz Dropout voltage: 120 mV typical at IOUT = 1.2 A, VOUT = 3.3 V Initial accuracy: ±0.6% at ILOAD = 10 mA Accuracy over line, load, and temperature: ±1.5% Operating supply current (IGND) 4.0 mA typical at 0 µA 7.0 mA typical at 1.2 A Low shutdown current: 0.