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SPX2945 - Low Drop Out Voltage Regulator

General Description

The SPX2945 is a low power voltage regulator.

This device is an excellent choice for use in battery-powered applications such as cordless telephones, radio control systems, and portable computers.

Key Features

  • Output 3.3V, 5.0V at 400mA Output.
  • Very Low Quiescent Current, 100µA.
  • Low Dropout Voltage, 420mV at 400mA.
  • Extremely Tight Load and Line Regulation.
  • Very Low Temperature Coefficient.
  • Current & Thermal Limiting.
  • Error Flag Warns Of Output Dropout.
  • Logic-Controlled Electronic Shutdown.
  • Output Programmable From 1.24V to 20V (for SO-8) VIN IN OUT ON.

📥 Download Datasheet

Datasheet Details

Part number SPX2945
Manufacturer Sipex
File Size 127.32 KB
Description Low Drop Out Voltage Regulator
Datasheet download datasheet SPX2945 Datasheet

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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www.DataSheet4U.com ® SPX2945 400mA Low Dropout Voltage Regulator with Shutdown FEATURES ■ Output 3.3V, 5.0V at 400mA Output ■ Very Low Quiescent Current, 100µA ■ Low Dropout Voltage, 420mV at 400mA ■ Extremely Tight Load and Line Regulation ■ Very Low Temperature Coefficient ■ Current & Thermal Limiting ■ Error Flag Warns Of Output Dropout ■ Logic-Controlled Electronic Shutdown ■ Output Programmable From 1.24V to 20V (for SO-8) VIN IN OUT ON SHUTDOWN INPUT OFF +VIN 100K 8 +VIN VOUT + 7 R1 0.01µF 10µF 1 1.2V to 20V SPX2945 3 SD GND 4 FB ______ ERROR ERROR 5 R2 VREF OUTPUT Adjustable Regulator 5V SPX2945 + 0.1 µF GND + 2.2 µF 5V Regulator Circuit DESCRIPTION The SPX2945 is a low power voltage regulator.