LM2596S-3.3/NOPB Texas Instruments TO263-5 500/reel

CategoriesIntegrated Circuits (ICs)
PMIC - Voltage Regulators - DC DC Switching Regulators
Manufacturer Texas Instruments
Series SIMPLE SWITCHER®
PackagingTube

Part StatusActive
FunctionStep-Down
Output ConfigurationPositive
TopologyBuck
Output Type Fixed
Number of Outputs1
Voltage - Input (Min)4.5V
Voltage - Input (Max)40V
Voltage - Output (Min/Fixed)3.3V
Voltage - Output (Max)-
Current - Output3A
Frequency - Switching150kHz
Synchronous RectifierNo
Operating Temperature-40°C ~ 125°C (TJ)
Mounting TypeSurface Mount
Package / CaseTO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Supplier Device PackageDDPAK/TO-263-5

Base Part Number LM2596

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

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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