The LM2596-5.0 are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 3-A load with excellent line and load regulation. These devices are available in fixed output voltages of 5 V.
Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation, and a fixed frequency oscillator.
The LM2596 series operates at a switching frequency of 150 kHz, thus allowing smaller sized filter components than what would be required with lower frequency switching regulators. Available in a standard 5-pin TO-220 package with several different lead bend options, and a 5-pin TO-263 surface mount package.
LM2596S-5.0
Features:
• 5-V Output Versions
• Available in TO-220 and TO-263 Packages
• 3-A Output Load Current
• Input Voltage Range Up to 40 V
• Requires Only 4 External Components
• Excellent Line and Load Regulation Specifications
• 150-kHz Fixed-Frequency Internal Oscillator
• TTL Shutdown Capability
• Low Power Standby Mode, IQ, Typically 80 μA
• High Efficiency
Applications:
• Simple High-Efficiency Step-Down (Buck)
Regulator
• On-Card Switching Regulators
• Positive to Negative Converter
Categories: Electronic Parts, Positive Supply regulator
Description
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FEATURES:
- Three Terminal Adjustable or Fixed Voltages 3.3V
- Output Current of 1A
- Operates Down to 1V Dropout
- Line Regulation: 0.2% Max.
- Load Regulation: 0.4% Max.
- SOT-223 Package
APPLICATIONS:
• High Efficiency Linear Regulators • Post Regulators for Switching Supplies • 5V to 3.3V Linear Regulator • Battery Chargers • Active SCSI Terminators • Power Management for Notebook• Battery Powered InstrumentationAMS1117-5.0
LM2596S-ADJ
Features:
• Adjustable Output Version • Available in TO-220 and TO-263 Packages • 3-A Output Load Current • Input Voltage Range Up to 40 V • Requires Only 4 External Components • Excellent Line and Load Regulation Specifications • 150-kHz Fixed-Frequency Internal Oscillator • TTL Shutdown Capability • Low Power Standby Mode, IQ, Typically 80 μA • High EfficiencyApplications:
• Simple High-Efficiency Step-Down (Buck) Regulator • On-Card Switching Regulators • Positive to Negative ConverterLM7812
This is the basic LM7812 voltage regulator, a three-terminal positive regulator with a 12V fixed output voltage. This fixed regulator provides a local regulation, internal current limiting, thermal shut-down control, and safe area protection for your project. Each one of these voltage regulators can output a max current of 1.5A.
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