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LD6805 - Low-dropout regulators

General Description

The LD6805 series is a small-size Low DropOut regulator (LDO) family with ultra high Power Supply Rejection Ratio (PSRR) of 75 dB.

The voltage drop is 250 mV at 150 mA current rating.

Operating voltages can range from 2.3 V to 5.5 V.

Key Features

  • 150 mA output current rating 75 dB PSRR at 1 kHz Input voltage range 2.3 V to 5.5 V Fixed output voltage between 1.2 V to 3.6 V Dropout voltage 250 mV at 150 mA output rating Low quiescent current in shutdown mode (typical 0.1 A) 40 V RMS output noise voltage (typical value) at 10 Hz to 100 kHz Turn-on time 150 s LD6805K/xxH: high-ohmic (3-state) output state when disabled LD6805K/xxP: low-ohmic output state when di.

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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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LD6805 series T11 941 Low-dropout regulators, high PSRR, 150 mA Rev. 2 — 25 June 2012 Product data sheet 1. Product profile 1.1 General description The LD6805 series is a small-size Low DropOut regulator (LDO) family with ultra high Power Supply Rejection Ratio (PSRR) of 75 dB. The voltage drop is 250 mV at 150 mA current rating. Operating voltages can range from 2.3 V to 5.5 V. The devices are available with fixed output voltages between 1.2 V to 3.6 V. The LD6805K/xxH devices show a high-ohmic state at the output pin when set to disabled mode. The LD6805K/xxP devices contain a pull-down switching transistor to provide a low-ohmic output state (auto discharge function) in disabled mode.