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TPS7A20 - High PSRR LDO

General Description

The TPS7A20 is an ultra-small, low-dropout (LDO) linear regulator that can source 300mA of output current.

The TPS7A20 is designed to provide low noise, high PSRR, and excellent load and line transient performance that can meet the requirements of RF and other sensitive analog circuits.

Key Features

  • Low output voltage noise: 7μVRMS.
  • No noise-bypass capacitor required.
  • High PSRR: 95dB at 1kHz.
  • Very low IQ: 6.5μA.
  • Input voltage range: 1.6V to 6.0V.
  • Output voltage range: 0.8V to 5.5V.
  • Output voltage tolerance: ±1.5% (max).
  • Very low dropout:.
  • 140mV (max) at 300mA (VOUT = 3.3V).
  • 145mV (max) at 300mA (VOUT = 3.3V, DBV).
  • Low inrush current.
  • Smart enable pulldown.
  • Stable with 1µF mi.

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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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TPS7A20 SBVS338H – MARCH 2020 – REVISED JULY 2024 TPS7A20 300mA, Ultra-Low-Noise, Low-IQ, High PSRR LDO 1 Features • Low output voltage noise: 7μVRMS – No noise-bypass capacitor required • High PSRR: 95dB at 1kHz • Very low IQ: 6.5μA • Input voltage range: 1.6V to 6.0V • Output voltage range: 0.8V to 5.5V • Output voltage tolerance: ±1.5% (max) • Very low dropout: – 140mV (max) at 300mA (VOUT = 3.3V) – 145mV (max) at 300mA (VOUT = 3.3V, DBV) • Low inrush current • Smart enable pulldown • Stable with 1µF minimum ceramic output capacitor • Packages: – 1mm × 1mm X2SON (DQN) – 0.616mm × 0.616mm DSBGA (YCK) – 0.612mm × 0.612mm DSBGA (YCJ) – 2.9mm × 2.