Datasheet4U Logo Datasheet4U.com

SPX3940 - 1A Low Dropout Voltage Regulator

General Description

The SPX3940 is a 1A, accurate voltage regulator with a low drop out voltage of 280mV (typical) at 1A.

These regulators are specifically designed for low voltage applications that require a low dropout voltage and a fast transient response.

Key Features

  • Guaranteed 1.5A Peak Current.
  • 1% Output Accuracy SPX3940A.
  • Low Quiescent Current.
  • Low Dropout Voltage of 280mV at 1A.
  • Extremely Tight Load and Line Regulation.
  • Extremely Fast Transient Response.
  • Reverse-battery Protection.
  • Internal Thermal Protection.
  • Internal Short Circuit Current Limit.

📥 Download Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
SPX3940 1A Low Drop Out Voltage Regulator Sipexoration
SPX3940 1A Low Dropout Voltage Regulator MaxLinear
SPX3941 1A Low Drop Out Voltage Regulator Sipex
SPX3942 1A Low Drop Out Voltage Regulator Sipex
SPX3431 Micropower 2.5V Precision Adjustable Shunt Regulator Sipexoration

Other Datasheets by Exar (now MaxLinear)

Part Number Description
SPX3819 500mA Low-Noise LDO Voltage Regulator
SPX1117 800mA Low Dropout Voltage Regulator
SPX1431 Precision Adjustable Shunt Regulator
SPX1585 5A Low Dropout Voltage Regulator
SPX1587 3A Low Dropout Voltage Regulator

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.

View original datasheet text
February 2012 GENERAL DESCRIPTION The SPX3940 is a 1A, accurate voltage regulator with a low drop out voltage of 280mV (typical) at 1A. These regulators are specifically designed for low voltage applications that require a low dropout voltage and a fast transient response. They are fully fault protected against overcurrent, reverse battery, and positive and negative voltage transients. The SPX3940 is offered in 3-pin SOT223 and TO-263 packages. For a 3A version, refer to the SPX29300 data sheet. SPX3940 1A Low Dropout Voltage Regulator Rev. 1.0.0 APPLICATIONS  Power Supplies  LCD Monitors  Portable Instrumentation  Medical and Industrial Equipments FEATURES  Guaranteed 1.