Rating symbol value unit maximum supply voltage vin 45 v. Parameter overview and features with replacement search for the lm25965. Descriptions of texas instruments lm2575t12 provided by its distributors. Lm2596 simple switcher power converter 150 khz 3a step. Ti1 lm1575lm2575lm2575hv simple switcher 1a stepdown voltage regulator,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Fast shipping on all integrated circuits orders within europe. The lm2575 series offers a high efficiency replacement for popular threeterminal adjustable linear regulators.
Compare pricing for national semiconductor lm2575s5. C, and those withboldface type apply over full operating temperature range. Lm2575tadj datasheet pdf simple switcher 1a stepdown. Lm2575t12 texas instruments datasheet and cad model download. The switch output can handle this 0 40v anyway and the feedback pin remains at 5v as in a standard operation. Lm1575lm2575lm2575hv simple switcher 1a stepdownvoltage. Lm1575 lm2575 lm2575hv simple switcher 1a stepdownvoltage regulator check for samples.
The oscillator frequency reduces to approximately 18 khz in the event of an output short or an overload which causes the regulated output voltage to drop approximately 40% from the nominal output voltage. Lm2575tadj datasheet, lm2575tadj pdf, lm2575tadj data sheet, datasheet, data sheet, pdf, national semiconductor, simple switcher 1a step down. If you have a better suggestion for a more efficient 12 5v 1a switching regulator id love to hear it. Sep 25, 2019 simple 5v 1a switching regulator by ic lm25755. Highly flexible voltage comparator,soic,8 pin electronic component distributor, order stock online at. Lm1575 lm2575 lm2575hv simple switcher 1a stepdown voltage regulator.
The leads should be shorted together or the device placed in conductive foamduring storage or handling to prevent electrostatic damage to the mos gates. Description lm1575lm2575lm2575hv simple switcher 1a stepdown voltage regulator. The lm2575 series of regulators are monolithic integrated circuits that provide all the active functions for a stepdown buck switching regulator, capable of driving a 1a load with excellent line and load regulation. Lm1575lm2575lm2575hv simple switcher 1a stepdown voltage. I expect this is all within the normal bounds of the lm25755. Lm1575, lm2575n, lm2575hv 1features description the lm2575 series of regulators are monolithic 23 3. Compare pricing for texas instruments lm2575t 12 across distributors and discover alternative parts, cad models, technical specifications, datasheets, and more on octopart. Since the lm2575 converter is a switchmode power supply, its efficiency is significantly higher in. Snvs106e may 1999 revised april 20connection diagramsxx indicates output voltage option. Lm2575 1a simple stepdown switching voltage regulator. Inductor for lm2575 electrical engineering stack exchange. You can make the stable voltage by using the 3 terminal regulator like lm317. Data sheet emifilr capacitor type single circuit type. Lm2575 adjustable output voltage, stepdown switching regulator.
The lm2940lm2940c positive voltage regulator features. More than 12,600,000 visits per month all around the world. Lm1575lm1575hvlm2575lm2575hv series simple switchere1a step. Lm2596 simple switcher power converter 150 khz 3a stepdown. You can obtain a copy of the submitted report from the online public disclosure site.
For guaranteed specifications, see the electrical characteristics. The lm2575 series of regulators are monolithic integrated. Note 9 junction to ambient thermal resistance no external heat sink for the 5 lead to220 package mounted vertically with 2 inch leads in a socket or on a pc board with minimum copper area note 10 junction to ambient thermal resistance no external heat sink for the 5 lead to220 package mounted. In tlh1147523 top view tlh1147524 side view lm2575txx flow lb03 or lm2575hvtxx flow lb03.
Lm2575t12 texas instruments datasheet and cad model. Electronic forms system efs guide to preparing the. Lm2575 datasheet, lm2575 stepdown 12v voltage regulator datasheet. View datasheets, stock and pricing, or find other dc to dc converter and switching regulator chip. A standard series of inductors available from several different manufacturers are. Lm2575 datasheet, cross reference, circuit and application notes in pdf format. Lm2575txx or lm2575hvtxx see ns package number t05a 15onoff 14 feedback ground 12 output 11v. The lm2575 features include a guaranteed 4 tolerance on output voltage. Lm2596 simple switcher power converter 150khz 3a stepdown. Im looking at the lm2575 because it seemed like a simple enough switching regulator.
Compare pricing for national semiconductor lm2575s 5. Nsc simple switcher 1a stepdown voltage regulator,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. A standard series of inductors available from several different manufacturers are ideal for use with the lm2575 series. C, and those with boldface type apply over full operating temperature range.
Pricing and availability on millions of electronic components from digikey electronics. Lm2595 simple switcher power converter 150 khz 1a stepdown. It substantially reduces the size of the heat sink, and in many cases no heat sink is required. Absolute maximum ratings1 2 3maximum supply voltagelm1575lm257545v datasheet search, datasheets. Natl senicond linear see d bsollsh qqh7a3b 7 national semiconductor lm15755. These devices are available in fixed output voltages of 3. Note 5 output pin 2 sourcing current no diode inductor or capacitor connected to output pin note 6 feedback pin 4 removed from output and connected to 0v note 7 feedback pin 4 removed from output and connected to a12v for the adjustable 33v and 5v versions and a25v for the 12v and 15v versions to force the output transistor off. Lm2575 adjustable output voltage, stepdown switching. It is fixed voltage regulator same lm7805 ic, but it has the good efficiency. Recent listings manufacturer directory get instant. Lm2575t pdf since the lm2575 converter is a switch mode power supply, its efficiency is. Simple switche 1a stepdown voltage egulator 5to220 40 to 125 texas instruments. Absolute maximum ratings absolute maximum ratings indicate limits beyond which damage to the device may occur.
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