LM2675MX-5.0/NOPB National Semiconductor, LM2675MX-5.0/NOPB Datasheet
LM2675MX-5.0/NOPB
Specifications of LM2675MX-5.0/NOPB
*LM2675MX-5.0/NOPB
LM2675MX-5.0
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LM2675MX-5.0/NOPB Summary of contents
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... The output switch includes current limiting, as well as thermal shutdown for full protection under fault conditions. Typical Application SIMPLE SWITCHER ® registered trademark of National Semiconductor Corporation. Windows ® registered trademark of Microsoft Corporation. © 2005 National Semiconductor Corporation Power Converter High Efficiency ® ...
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... S000GB LM2675LDX-ADJ S000GB LM2675M-12 2675M-12 LM2675MX-12 2675M-12 LM2675M-3.3 2675M-3.3 LM2675MX-3.3 2675M-3.3 LM2675M-5.0 2675M-5.0 LM2675MX-5.0 2675M-5.0 LM2675M-ADJ 2675M-ADJ LM2675MX-ADJ 2675M-ADJ LM2675N-12 LM2675N-12 LM2675N-3.3 LM2675N-3.3 LM2675N-5.0 LM2675N-5.0 LM2675N-ADJ LM2675N-ADJ 2 8-Lead Package Top View 01280302 SO-8/DIP Package Supplied as: 1000 Units on Tape and Reel 4500 Units on Tape and Reel ...
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... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage ON/OFF Pin Voltage Switch Voltage to Ground Boost Pin Voltage Feedback Pin Voltage ESD Susceptibility Human Body Model (Note 2) Power Dissipation ...
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LM2675-ADJ (Continued) Symbol Parameter η Efficiency V = 12V All Output Voltage Versions Specifications with standard type face are for T ture Range. Unless otherwise specified, V sion, and I = 100 mA. LOAD Symbol Parameters DEVICE PARAMETERS ...
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Typical Performance Characteristics Normalized Output Voltage Efficiency Switch Current Limit 01280303 01280305 01280307 5 Line Regulation 01280304 Drain-to-Source Resistance 01280306 Operating Quiescent Current 01280308 www.national.com ...
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Typical Performance Characteristics Standby Quiescent Current ON/OFF Pin Current (Sourcing) Feedback Pin Bias Current www.national.com (Continued) 01280309 01280311 01280313 6 ON/OFF Threshold Voltage 01280310 Switching Frequency 01280312 Peak Switch Current 01280314 ...
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Typical Performance Characteristics Dropout Voltage — 3.3V Option Block Diagram * Active Inductor Patent Number 5,514,947 † Active Capacitor Patent Number 5,382,918 (Continued) Dropout Voltage — 5.0V Option 01280315 FIGURE 1. 7 01280316 01280317 www.national.com ...
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Typical Performance Characteristics Continuous Mode Switching Waveforms V = 20V 5V OUT µ µF, C OUT A: V Pin Voltage, 10 V/div Inductor Current, 0.5 A/div C: Output ...
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Test Circuit and Layout Guidelines µF, 50V Tantalum, Sprague “199D Series” µF, 25V Tantalum, Sprague “595D Series” OUT D1 - 3.3A, 50V Schottky Rectifier, IR 30WQ05F µH Sumida # RCR110D-680L ...
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LM2675 Series Buck Regulator Design Procedure (Fixed Output) PROCEDURE (Fixed Output Voltage Version) To simplify the buck regulator design procedure, National Semiconductor is making available computer design software to be used with the SIMPLE SWITCHER line of switching regulators. LM267X ...
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LM2675 Series Buck Regulator Design Procedure (Fixed Output) PROCEDURE (Fixed Output Voltage Version) The capacitor list contains through-hole electrolytic capacitors from four different capacitor manufacturers and surface mount tantalum capacitors from two different capacitor manufacturers recommended that both ...
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LM2675 Series Buck Regulator Design Procedure (Fixed Output) PROCEDURE (Fixed Output Voltage Version) A low ESR aluminum or tantalum bypass capacitor is needed between the input pin and ground to prevent large voltage transients from appearing at the input. This ...
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LM2675 Series Buck Regulator Design Procedure (Fixed Output) Inductor Value Selection Guides (For Continuous Mode Operation) FIGURE 4. LM2675-3.3 FIGURE 5. LM2675-5.0 01280326 FIGURE 6. LM2675-12 01280327 FIGURE 7. LM2675-ADJ 13 (Continued) 01280328 01280329 www.national.com ...
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LM2675 Series Buck Regulator Design Procedure (Fixed Output) Ind. Inductance Current Ref. Through (µH) (A) Desg. Hole L4 68 0.32 67143940 67144310 L5 47 0.37 67148310 67148420 L6 33 0.44 67148320 67148430 L7 22 0.52 67148330 67148440 L9 220 0.32 ...
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LM2675 Series Buck Regulator Design Procedure (Fixed Output) Surface Mount Output Inductance Voltage Sprague (µH) (V) 594D Series (µF/V) 22 120/6.3 33 120/6.3 47 68/10 3.3 68 120/6.3 100 120/6.3 150 120/6.3 22 100/16 33 68/10 47 68/10 5.0 68 ...
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LM2675 Series Buck Regulator Design Procedure (Fixed Output) 20V 30V 40V 50V International Rectifier Corp. Motorola, Inc. General Instruments Corp. Diodes, Inc. FIGURE 14. RMS Current Ratings for Low ESR Electrolytic Capacitors (Typical) www.national.com 1A Diodes 3A Diodes V Surface ...
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LM2675 Series Buck Regulator Design Procedure (Fixed Output) LM2675 Series Buck Regulator Design Procedure (Adjustable Output) PROCEDURE (Adjustable Output Voltage Version) To simplify the buck regulator design procedure, National Semiconductor is making available computer design software to be used with ...
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LM2675 Series Buck Regulator Design Procedure (Adjustable Output) (Continued) PROCEDURE (Adjustable Output Voltage Version) 2. Inductor Selection (L1) A. Calculate the inductor Volt • microsecond constant E • • µs), from the following formula: where V = internal ...
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LM2675 Series Buck Regulator Design Procedure (Adjustable Output) (Continued) PROCEDURE (Adjustable Output Voltage Version) 4. Catch Diode Selection (D1 normal operation, the average current of the catch diode is the load current times the catch diode duty cycle, ...
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LM2675 Series Buck Regulator Design Procedure (Adjustable Output) (Continued) Case Output Style (Note 7) Voltage (V) SM and TH 1.21–2.50 SM and TH 2.50–3.75 SM and TH 3.75–5.0 SM and TH 5.0–6.25 SM and TH 6.25–7.5 SM and TH 7.5–10.0 ...
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LM2675 Series Buck Regulator Design Procedure (Adjustable Output) (Continued) Surface Mount Cap. Sprague AVX TPS Ref. Desg. 594D Series Series # (µF/V) (µF/V) C1 120/6.3 100/10 C2 120/6.3 100/10 C3 120/6.3 100/10 C4 68/10 100/10 C5 100/16 100/10 C6 100/16 ...
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Application Information TYPICAL SURFACE MOUNT PC BOARD LAYOUT, FIXED OUTPUT (4X SIZE µF, 50V, Solid Tantalum Sprague, “594D series” µF, 16V, Solid Tantalum Sprague, “594D series” OUT D1 - 1A, 40V Schottky Rectifier, ...
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Application Information When using the adjustable version, special care must be taken as to the location of the feedback resistors and the associated wiring. Physically locate both resistors near the IC, and route the wiring away from the inductor, especially ...
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Physical Dimensions unless otherwise noted 8-Lead (0.150" Wide) Molded Small Outline Package, JEDEC www.national.com inches (millimeters) Order Number LM2675M-3.3, LM2675M-5.0, LM2675M-12 or LM2675M-ADJ NS Package Number M08A 24 ...
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Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 8-Lead (0.300" Wide) Molded Dual-In-Line Package Order Number LM2675N-3.3, LM2675N-5.0, LM2675N-12 or LM2675N-ADJ NS Package Number N08E 25 www.national.com ...
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