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Home ›  LL27 > LM2576S-5.0-LM2576S-5.0/NOPB-LM2576SX-5.0/NOPB-LM2576SX-ADJ/NOPB-LM2576T-12/NOPB-LM2576T-ADJ-LM2576T-ADJ/NOPB-LM2576T-ADJNOPB,SIMPLE SWITCHER? 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263 -40 to 125
LM2576S-5.0-LM2576S-5.0/NOPB-LM2576SX-5.0/NOPB-LM2576SX-ADJ/NOPB-LM2576T-12/NOPB Fast Delivery,Good Price
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Partno Mfg Dc Qty AvailableDescript
LM2576S-5.0 |LM2576S50N/a6avaiSIMPLE SWITCHER® 3A Step-Down Voltage Regulator
LM2576S-5.0/NOPB |LM2576S50NOPBNSN/a35avaiSIMPLE SWITCHER? 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263 -40 to 125
LM2576SX-5.0/NOPB |LM2576SX50NOPBNSN/a103avaiSIMPLE SWITCHER? 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263 -40 to 125
LM2576SX-ADJ/NOPB |LM2576SXADJNOPBNSCN/a5000avaiSIMPLE SWITCHER? 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263 -40 to 125
LM2576T-12/NOPB |LM2576T12NOPBNSN/a530avaiSIMPLE SWITCHER? 40V, 3A Low Component Count Step-Down Regulator 5-TO-220 -40 to 125
LM2576T-ADJ |LM2576TADJHTCN/a450avaiAdjustable dual 3.0A step down switching voltage regulator
LM2576T-ADJ |LM2576TADJSanyoNSN/a1435avaiAdjustable dual 3.0A step down switching voltage regulator
LM2576T-ADJ/NOPB |LM2576TADJNOPBNSCN/a1620avaiSIMPLE SWITCHER? 40V, 3A Low Component Count Step-Down Regulator 5-TO-220 -40 to 125
LM2576T-ADJNOPB |LM2576TADJNOPBNSCN/a90avaiSIMPLE SWITCHER? 40V, 3A Low Component Count Step-Down Regulator 5-TO-220 -40 to 125


LM2576SX-ADJ/NOPB ,SIMPLE SWITCHER? 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263 -40 to 125features include a ±4% tolerance on outputvoltage within specified input voltages and output• Effic ..
LM2576T ,Easy switcher 1.0 A step-down voltage regulatorfeatures include a guaranteed ±4% tolerance on outputvoltage within specified input voltages and ou ..
LM2576T ,Easy switcher 1.0 A step-down voltage regulatorMaximum Ratings indicate limits beyondwhich damage to the device may occur.)Rating Symbol Value Uni ..
LM2576T ,Easy switcher 1.0 A step-down voltage regulatorELECTRICAL CHARACTERISTICS (Unless otherwise specified, V = 12 V for the 3.3 V, 5.0 V, and Adjustab ..
LM2576T-005 ,3A, Adjustable Output Voltage, Step-Down Switching Regulatorfeatures include a guaranteed ±4% tolerance on output1voltage within specified input voltages and o ..
LM2576T-005G , 3.0 A, 15 V, Step−Down Switching Regulator
LM4680SDX ,10W High-Efficiency Mono BTL Audio Power AmplifierApplicationsn Flat Panel Monitorsn Flat Panel TVsn Computer Sound CardsConnection DiagramPlastic Pa ..
LM4681SQ , 10 Watt Stereo CLASS D Audio Power Amplifier with Stereo Headphone Amplifier and I2C/SPI Volume Control
LM4682SQ , 10 Watt Stereo CLASS D Audio Power Amplifier with Stereo Headphone Amplifier and DC Volume Control
LM4700T ,Overture 30 Watt Audio Power Amplifier with Mute and StandbyModesApplicationsn Component stereon Compact stereoTypical Application01236901*Optional components depen ..
LM4700TF ,Overture 30 Watt Audio Power Amplifier with Mute and StandbyModesGeneral Description Key Specificationsn THD+N at 1kHz at continuous average output power ofThe LM47 ..
LM4701 ,Audio Power Amplifier Series 30W Audio Power Amplifier with Mute and Standby ModesElectrical Characteristics(Notes 4, 5) The following specifications are for V = +28V, V = −28V with ..


LM2576S-5.0-LM2576S-5.0/NOPB-LM2576SX-5.0/NOPB-LM2576SX-ADJ/NOPB-LM2576T-12/NOPB-LM2576T-ADJ-LM2576T-ADJ/NOPB-LM2576T-ADJNOPB
SIMPLE SWITCHER? 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263 -40 to 125
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LM2576, LM2576HV

SNVS107D–JUNE 1999–REVISED MAY 2016
LM2576xx Series SIMPLE SWITCHER® 3-A Step-Down Voltage Regulator Features
3.3-V, 5-V, 12-V, 15-V, and Adjustable Output
Versions Adjustable Version Output Voltage Range,1.23V37V (57Vfor HV Version) ±4% Maximum Over
Line and Load Conditions Specified 3-A Output Current Wide Input Voltage Range:40V Upto60V for Version Requires Only4 External Components 52-kHz Fixed-Frequency Internal Oscillator TTL-Shutdown Capability, Low-Power Standby
Mode High Efficiency Uses Readily Available Standard Inductors Thermal Shutdown and Current Limit Protection Applications Simple High-Efficiency Step-Down (Buck)
Regulator Efficient Preregulator for Linear Regulators On-Card Switching Regulators Positive-to-Negative Converter (Buck-Boost) Description
The LM2576 series of regulators are monolithic
integrated circuits that provideall the active functions
fora step-down (buck) switching regulator, capableof
driving 3-A load with excellent line and load
regulation. These devices are availablein fixed output
voltagesof 3.3V,5V, 12V,15V, and an adjustable
output version.
Requiring a minimum number of external
components, these regulators are simpleto use and
include fault protection and a fixed-frequency
oscillator.
The LM2576 series offers a high-efficiency
replacement for popular three-terminal linear
regulators.It substantially reduces the sizeof the
heat sink, and in some cases no heat sink is
required. standard seriesof inductors optimized for use with
the LM2576 are available from several different
manufacturers. This feature greatly simplifies the
designof switch-mode power supplies.
Other features includea ±4% tolerance on output
voltage within specified input voltages and output
load conditions, and ±10% on the oscillator
frequency. External shutdownis included, featuring
50-μA (typical) standby current. The output switch
includes cycle-by-cycle current limiting, as well as
thermal shutdown for full protection under fault
conditions.
Device Information(1)

(1) Forall available packages, see the orderable addendumat
the endofthe data sheet.
Fixed Output Voltage Version Typical Application Diagram
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