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LM2675LD-12 |LM2675LD12NSN/a1186avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675LD-3.3 |LM2675LD33NSN/a645avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675LD-3.3 |LM2675LD33NSCN/a10avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675LD-5.0 |LM2675LD50NSN/a3200avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675LD-ADJ |LM2675LDADJNSN/a3800avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675LDX-3.3 |LM2675LDX33NSN/a7567avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675LDX-5.0 |LM2675LDX50NSN/a2176avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675LDX-ADJ |LM2675LDXADJNSN/a1599avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675M-1.2 |LM2675M12NSN/a10avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675M-12 |LM2675M12NSCN/a1384avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675M-12 |LM2675M12NSN/a281avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675M3.3 |LM2675M33NSN/a128avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675-M3.3 |LM2675M33NSN/a865avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675M-3.3 |LM2675M33NSCN/a283avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675M-3.3 |LM2675M33NSN/a10146avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675M5.0 |LM2675M50NSN/a25avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675M-5.0 |LM2675M50NSN/a14560avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675MADJNSCN/a2avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675M-ADJ |LM2675MADJNSCN/a1468avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675MX-3.3 |LM2675MX33NSN/a18000avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675MX-5.0 |LM2675MX50NSCN/a1avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675MX-ADJ |LM2675MXADJNSN/a28920avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675N-12 |LM2675N12NSN/a1000avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675N-3.3 |LM2675N33NSN/a3avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675N-5.0 |LM2675N50NSN/a269avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675N-ADJ |LM2675NADJNSCN/a40avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675N-ADJ |LM2675NADJNSN/a28avaiSIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator


LM2675MX-ADJ ,SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage RegulatorFeaturesswitching regulator, capable of driving a 1Aload current withn Efficiency up to 96%excellen ..
LM2675MX-ADJ/NOPB ,SIMPLE SWITCHER? 6.5V to 40V, 1A Low Component Count Step-Down Regulator 8-SOIC -40 to 125Maximum Ratings.. 411 Layout.... 257.2 ESD Ratings........ 411.1 Layout Guidelines.... 257.3 Recomm ..
LM2675N-12 ,SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage RegulatorGeneral Descriptionthere exists computer design software, LM267X MadeThe LM2675 series of regulator ..
LM2675N-3.3 ,SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage RegulatorGeneral Descriptionthere exists computer design software, LM267X MadeThe LM2675 series of regulator ..
LM2675N-5.0 ,SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage RegulatorLM2675 SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage RegulatorJanuary 2005LM ..
LM2675N-ADJ ,SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage RegulatorApplicationsOther
LM5100AM ,3.0 Amp High Voltage High Side and Low Side DriverPin DescriptionPin #Name Description Application InformationSO-8 LLP-1011 V Positive gate drive sup ..
LM5100AM ,3.0 Amp High Voltage High Side and Low Side DriverBlock Diagram20124003FIGURE 1. 2005 National Semiconductor Corporation DS201240 Connection Diagrams ..
LM5100AMX ,3.0 Amp High Voltage High Side and Low Side DriverApplicationsat high speed while consuming low power and providingn Current Fed push-pull converters ..
LM5100ASD ,3.0 Amp High Voltage High Side and Low Side DriverGeneral Descriptionn Fast propagation times (25 ns typical)The LM5100A/LM5101A High Voltage Gate Dr ..
LM5100ASD/NOPB ,3A High Voltage High-Side and Low-Side Gate Driver 10-WSON -40 to 125Featurescharge the high-side gate drive bootstrap capacitor. A1• Drives Both a High-Side and Low-Si ..
LM5100ASD/NOPB ,3A High Voltage High-Side and Low-Side Gate Driver 10-WSON -40 to 125 SNOSAW2Q–SEPTEMBER 2006–REVISED NOVEMBER 20155 Device Comparison TablePART NUMBER PACKAGE BODY SIZ ..


LM2675LD-12-LM2675LD-3.3-LM2675LD-5.0-LM2675LD-ADJ-LM2675LDX-3.3-LM2675LDX-5.0-LM2675LDX-ADJ-LM2675M-1.2-LM2675M-12-LM2675M3.3-LM2675-M3.3-LM2675M-3.3-LM2675M5.0-LM2675M-5.0-LM2675MADJ-LM2675M-ADJ-LM2675MX-3.3-LM2675MX-5.0-LM2675MX-ADJ-LM2675N-12-LM2675N-3.3-LM26
SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator
LM2675
SIMPLE SWITCHER® Power Converter High Efficiency Step-Down V oltage Regulator
General Description

The LM2675 seriesof regulators are monolithic integrated
circuits built witha LMDMOS process. These regulators
provideall the active functions fora step-down (buck)
switching regulator, capableof drivinga1A load current with
excellent line and load regulation. These devices are avail-
ablein fixed output voltagesof 3.3V, 5.0V, 12V, andan
adjustable output version.
Requiringa minimum numberof external components, these
regulators are simpleto use and include patented internal
frequency compensation (Patent Nos. 5,382,918 and
5,514,947) anda fixed frequency oscillator.
The LM2675 series operatesata switching frequencyof
260 kHz, thus allowing smaller sized filter components than
what wouldbe needed with lower frequency switching regu-
lators. Becauseofits very high efficiency (>90%),the cop-
per traceson the printed circuit board are the only heat
sinking needed. familyof standard inductorsfor use withthe LM2675 are
available from several different manufacturers. This feature
greatly simplifies the designof switch-mode power supplies
using these advanced ICs. Also includedin the datasheet
are selector guidesfor diodes and capacitors designedto
workin switch-mode power supplies.
Other features includea guaranteed ±1.5% toleranceon
output voltage within specified input voltages and output
load conditions, and ±10%on the oscillator frequency. Ex-
ternal shutdownis included, featuring typically 50 µA
stand-by current. The output switch includes current limiting, wellas thermal shutdownforfull protection under fault
conditions. simplify the LM2675 buck regulator design procedure,
there exists computer design software, LM267X Made
Simple
version 6.0.
Features
Efficiencyupto 96% Availablein SO-8, 8-pin DIP and LLP packages Computer Design Software LM267X Made Simple
(version 6.0) Simple and easyto design with Requires only5 external components Uses readily available standard inductors 3.3V, 5.0V, 12V, and adjustable output versions Adjustable version output voltage range: 1.21Vto 37V ±1.5% max output voltage tolerance over line and load
conditions Guaranteed1A output load current 0.25Ω DMOS Output Switch Wide input voltage range:8Vto 40V 260 kHz fixed frequency internal oscillator TTL shutdown capability, low power standby mode Thermal shutdown and current limit protection
Typical Applications
Simple High Efficiency (>90%) Step-Down (Buck)
Regulator Efficient Pre-Regulatorfor Linear Regulators Positive-to-Negative Converter
Typical Application

January 2005
LM2675
SIMPLE
SWITCHER
Power
Converter
High
Efficiency
Step-Down
oltage
ic,good price


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