LM2595S-ADJ Buck Converter Adjustable 1.23V-37V Output 3A Load 150kHz Frequency 75% Efficiency Thermal Protection Low Dropout Wide 4.5V-40V Input Compact TO-263 Package
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Features
andbull; 3.3-V, 5-V, 12-V, and Adjustable Output Versions
andbull; Adjustable Version Output Voltage Range, 1.2 V to 37 V andplusmn;4% Maximum Over Line and Load Conditions
andbull; Available in TO-220 and TO-263 Surface-Mount Packages
andbull; Ensured 1-A Output Load Current
andbull; Input Voltage Range Up to 40 V
andbull; Requires Only 4 External Components
andbull; Excellent Line and Load Regulation Specifications
andbull; 150-kHz Fixed-Frequency Internal Oscillator
andbull; TTLShutdown Capability
andbull; LowPower Standby Mode, IQ, Typically 85 andmu;A
andbull; High Efficiency
andbull; UsesReadily Available Standard Inductors
andbull; Thermal Shutdown and Current-Limit Protection
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Applications
andbull; Simple High-Efficiency Step-Down (Buck) Regulator
andbull; Efficient Preregulator for Linear Regulators
andbull; On-Card Switching Regulators
andbull; Positive-to-Negative Converter
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Description
The LM2595 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 1-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 fixed frequency oscillator.
The LM2595 series operates at a switching frequency of 150 kHz, thus allowing smaller-sized filter components than what would be needed 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. Typically, for output voltages less than 12 V, and ambient temperatures less than 50anddeg;C, no heat sink is required.
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INFORMATION
| Category | | andnbsp; |
| Mfr | | |
| Series | | |
| Packaging | | |
| Part Status | | |
| Function | | |
| Output Configuration | | |
| Topology | | |
| Output Type | | |
| Number of Outputs | | |
| Voltage - Input (Min) | | |
| Voltage - Input (Max) | | |
| Voltage - Output (Min/Fixed) | | |
| Voltage - Output (Max) | | |
| Current - Output | | |
| Frequency - Switching | | |
| Synchronous Rectifier | | |
| Operating Temperature | -40anddeg;C ~ 125anddeg;C (TJ) | |
| Mounting Type | | |
| Package / Case | | |
| Supplier Device Package | | |
| Base Product Number | |
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LM2595S-ADJ Buck Converter Adjustable 1.23V-37V Output 3A Load 150kHz Frequency 75% Efficiency Thermal Protection Low Dropout Wide 4.5V-40V Input Images
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