CE51L6XXQ

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General Description

The CE51L6XXQ is the 300mA LDO with auto discharge function, it uses an advanced CMOS process and a PMOSFET pass device to achieve high power supply rejection ratio (PSRR), low noise, low dropout, low ground current, fast start-up and excellent output accuracy.

The CE51L6XXQ is stable with a 1.0μF ceramic output capacitor, uses a precision voltage reference and feedback loop to achieve excellent Regulation and transient response. 

The CE51L6XXQ offered in a small SOT23-5 package and operates over an ambient temperature range of -40°C to 125°C.

Features

  • Wide Input Voltage Range from 1.9V to 5.5V
  • Up to 300mA Load Current
  • Standard Fixed Output Voltage 1.8V
  • Very Low IQ is 50µA Typical
  • Low Dropout is Typical 275mV@1.8V at 300mA Load
  • Very High PSRR: 75dB at 1KHz
  • Very Low Noise is 40uVrms
  • Auto Discharge Function
  • Excellent Load/Line Transient Response
  • Automotive AEC-Q100 Grade 1 Qualified
  • Package : SOT23-5 (1.6mm × 2.9mm)

Technical Documentation

Type Title Format Date
Datasheet CE51L6XXQ PDF 2026-01-19

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