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MAX8559 - Dual / 300mA / Low-Noise Linear Regulator

General Description

The MAX8559 dual, low-noise, low-dropout (LDO) linear regulator operates from a 2.5V to 6.5V input voltage and delivers at least 300mA of continuous output current.

It offers low output noise and low dropout of only 60mV at 100mA.

Key Features

  • Two Low-Dropout-Voltage Regulators Low 32µVRMS Output Noise 300mA Output Current for Each LDO 70dB PSRR at 10kHz Independent Shutdown Controls Low 60mV Dropout at 100mA Load 115µA Operating Supply Current per LDO 1.5V to 3.3V Factory-Preset Output Small Ceramic Output Capacitors MAX8559.
  • Output Current Limit.
  • Thermal-Overload and Short-Circuit Protection.
  • 1.95W Power-Dissipation Capability (TDFN).
  • 2mm2 Footprint (UCSP).

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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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19-3121; Rev 0; 1/04 KIT ATION EVALU E L B AVAILA Dual, 300mA, Low-Noise Linear Regulator with Independent Shutdown in UCSP or TDFN General Description The MAX8559 dual, low-noise, low-dropout (LDO) linear regulator operates from a 2.5V to 6.5V input voltage and delivers at least 300mA of continuous output current. It offers low output noise and low dropout of only 60mV at 100mA. Typical output noise for this device is 32µVRMS, and PSRR is 70dB at 10kHz. Designed with an internal P-channel MOSFET pass transistor, the MAX8559 maintains a low 115µA supply current per LDO, independent of the load current and dropout voltage. Other features include short-circuit protection and thermal-shutdown protection.