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LP38691 Datasheet 500-ma Low-dropout CMOS Linear Regulators

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design LP38691, LP38693, LP38691-Q1, LP38693-Q1 SNVS321O – JANUARY 2005 – REVISED DECEMBER 2015 LP3869x/-Q1 500-mA.

General Description

The LP3869x low-dropout CMOS linear regulators provide tight output tolerance (2% typical), extremely low dropout voltage (250 mV at 500-mA load current, VOUT = 5 V), and excellent AC performance using ultralow equivalent series resistance (ESR) ceramic output capacitors.

The low thermal resistance of the WSON, SOT-223, and TO-252 packages allow use of the full operating current even in high ambient temperature environments.

The use of a PMOS power transistor means that no DC base-drive current is required to bias it, thus allowing ground pin current to remain below 100 µA regardless of load current, input voltage, or operating temperature.

Key Features

  • 1 Wide Input Voltage Range (2.7 V to 10 V).
  • All WSON Options are Available as AEC-Q100 Grade 1.
  • 2% Output Accuracy (25°C).
  • Low Dropout Voltage: 250 mV at 500 mA (Typical, 5 V Out).
  • Precision (Trimmed) Bandgap Reference.
  • Ensured Specifications for.
  • 40°C to 125°C.
  • 1-µA Off-State Quiescent Current.
  • Thermal Overload Protection.
  • Foldback Current Limiting.
  • Ground Pin Current: 55 µA (typical) at full load.

Similar Datasheet

Brand Logo Part Number Description Manufacturer
National Semiconductor Logo LP38691 500mA Low Dropout CMOS Linear Regulators National Semiconductor

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