LM2596S-ADJ/NOPB Texas Instruments 8 Weeks Philippines

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PCN Assembly/OriginLB300 18/Jul/2017
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Online CatalogBuck (Step-Down) IC

Features
• 3.3-V, 5-V, 12-V, and Adjustable Output Versions
• Adjustable Version Output Voltage Range: 1.2-V to 37-V ± 4% Maximum Over Line and Load Conditions
• 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
• Uses Readily Available Standard Inductors
• Thermal Shutdown and Current-Limit Protection
• Create a Custom Design Using the LM2596 with the WEBENCH Power Designer

Applications
• Simple High-Efficiency Step-Down (Buck) Regulator
• On-Card Switching Regulators
• Positive to Negative Converter

Description
The LM2596 series of regulators 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 3.3 V, 5 V, 12 V, and an adjustable output version. Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation, and a fixedfrequency 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 7-pin TO-220 package with several different lead bend options, and a 7-pin TO-263 surface mount package.

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