Description

The SPX2940U-5.0V is a 1A voltage regulator with a low dropout voltage of 280mV at 1A. It is specifically designed for low voltage applications that require a low dropout voltage and a fast transient response. The regulator is fully fault protected against over-current, reverse battery, and positive and negative voltage transients.

Specifications and features

- Guaranted 1.5A Peak Current
- 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
- Replacement for LM2940, MIC2940A, AS2940
- Standard TO-220 and TO-263 packages

Application Scenarios

- Powering VGA & Sound Card
- LCD Monitors
- USB Power Supply
- Power PCTM Supplies
- SMPS Post-Regulator
- PDA or Notebook Computer
- High Efficiency Linear Power Supplies
- Portable Instrumentation
- Constant Current Regulators
- Cordless Telephones
- Automotive Electronics

Comparison

• The SPX2940U-5.0V has a low dropout voltage of 280mV and a fast transient response.
• The regulator is fault protected against over-current, reverse battery, and voltage transients.
• It has a guaranteed peak current of 1.5A and a low quiescent current.
• The regulator has extremely tight load and line regulations and internal thermal protections.
• It has a standard TO-220 and TO-263 packages, and it can be used as a replacement for LM2940, MIC2940A, and AS2940.

• None identified.