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Power Circuits / Switching Regulator or Controllers / LM2576T-5.0/LF03
Datasheets
LM2576T-5.0/LF03 by:

SIMPLE SWITCHER® 40V, 3A Low Component Count Step-Down Regulator 5-TO-220

Part Details for LM2576T-5.0/LF03 by Texas Instruments

Results Overview of LM2576T-5.0/LF03 by Texas Instruments

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

LM2576T-5.0/LF03 Information

LM2576T-5.0/LF03 by Texas Instruments is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Available Datasheets

Part # Manufacturer Description Datasheet
LM2576T-ADJ/LF03 Texas Instruments SIMPLE SWITCHER® 40V, 3A Low Component Count Step-Down Regulator 5-TO-220
LM2576T-3.3/LF03 Texas Instruments SIMPLE SWITCHER® 40V, 3A Low Component Count Step-Down Regulator 5-TO-220
LM2576T-15/LF03 Texas Instruments SIMPLE SWITCHER® 40V, 3A Low Component Count Step-Down Regulator 5-TO-220

Price & Stock for LM2576T-5.0/LF03

Part # Distributor Description Stock Price Buy
DISTI # 296-35126-5-ND
DigiKey IC REG BUCK 5V 3A TO220-5 Min Qty: 1 Lead time: 6 Weeks Container: Tube 50
In Stock
  • 1 $3.4200
  • 10 $2.5680
  • 45 $2.2462
  • 135 $2.0836
  • 270 $2.0039
  • 540 $1.9383
  • 1,035 $1.8874
  • 2,520 $1.8312
  • 5,040 $1.7962
$1.7962 / $3.4200 Buy Now
DISTI # 926-LM2576T-50/LF03
Mouser Electronics Switching Voltage Regulators 3A SD Vtg Reg RoHS: Compliant 209
  • 1 $3.4200
  • 10 $2.5700
  • 25 $2.1300
  • 270 $1.9300
  • 540 $1.8400
  • 1,035 $1.8000
  • 2,520 $1.7600
$1.7600 / $3.4200 Buy Now
DISTI # LM2576T-5.0/LF03
TME PMIC, DC/DC converter, Uin: 4÷40VDC, Uout: 5VDC, 3A, TO220-NDH5D Min Qty: 1 9
  • 1 $3.3000
  • 3 $3.1500
  • 10 $2.7400
  • 45 $2.2100
$2.2100 / $3.3000 Buy Now
Vyrian Other Function Semiconductors 4746
RFQ
Win Source Electronics IC REG BUCK 5V 3A TO220-5 89885
  • 40 $1.5569
  • 80 $1.4565
  • 125 $1.4068
  • 180 $1.3063
  • 230 $1.2555
  • 290 $1.2058
$1.2058 / $1.5569 Buy Now

Part Details for LM2576T-5.0/LF03

LM2576T-5.0/LF03 CAD Models

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LM2576T-5.0/LF03 Part Data Attributes

Parametric Data
LM2576T-5.0/LF03 Texas Instruments
Buy Now Datasheet
Compare Parts:
LM2576T-5.0/LF03 Texas Instruments SIMPLE SWITCHER® 40V, 3A Low Component Count Step-Down Regulator 5-TO-220
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SFM
Package Description GREEN, TO-220, 5 PIN
Pin Count 3
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Analog IC - Other Type SWITCHING REGULATOR
Control Mode VOLTAGE-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 40 V
Input Voltage-Min 4 V
Input Voltage-Nom 12 V
JESD-30 Code R-XZFM-T5
JESD-609 Code e3
Moisture Sensitivity Level 1
Number of Functions 1
Number of Outputs 1
Number of Terminals 5
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Output Current-Max 3 A
Output Voltage-Max 37 V
Output Voltage-Min 3.3 V
Output Voltage-Nom 5 V
Package Body Material UNSPECIFIED
Package Code ZFM
Package Shape RECTANGULAR
Package Style FLANGE MOUNT
Surface Mount NO
Switcher Configuration BUCK
Switching Frequency-Max 63 kHz
Temperature Grade AUTOMOTIVE
Terminal Finish Matte Tin (Sn)
Terminal Form THROUGH-HOLE
Terminal Position ZIG-ZAG

Alternate Parts for LM2576T-5.0/LF03

This table gives cross-reference parts and alternative options found for LM2576T-5.0/LF03. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LM2576T-5.0/LF03, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
LM2576HVSX-5.0/NOPB Texas Instruments $3.7092 SIMPLE SWITCHER® 4V to 60V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263 -40 to 125 LM2576T-5.0/LF03 vs LM2576HVSX-5.0/NOPB
MIC4576-5.0BUT&R Microchip Technology Inc Check for Price Switching Regulator, Voltage-mode, 8.5A, 220kHz Switching Freq-Max, BICMOS, PSSO5, TO-263, 5 PIN LM2576T-5.0/LF03 vs MIC4576-5.0BUT&R
LM2576HVSX-5.0 National Semiconductor Corporation Check for Price IC 7.5 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5, TO-263, 5 PIN, Switching Regulator or Controller LM2576T-5.0/LF03 vs LM2576HVSX-5.0
LM2576S-5.0/NOPB National Semiconductor Corporation Check for Price IC 7.5 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5, TO-263, 5 PIN, Switching Regulator or Controller LM2576T-5.0/LF03 vs LM2576S-5.0/NOPB
LM2576D2TR4-5 onsemi Check for Price 7.5A SWITCHING REGULATOR, 63kHz SWITCHING FREQ-MAX, PSSO5, PLASTIC, D2PAK-5 LM2576T-5.0/LF03 vs LM2576D2TR4-5
MIC4576-5.0BU Microchip Technology Inc Check for Price Switching Regulator, Voltage-mode, 8.5A, 220kHz Switching Freq-Max, BICMOS, PSSO5, TO-263, 5 PIN LM2576T-5.0/LF03 vs MIC4576-5.0BU
LM2576HVT-5.0/LB03 Texas Instruments Check for Price SIMPLE SWITCHER® 4V to 60V, 3A Low Component Count Step-Down Regulator 5-TO-220 LM2576T-5.0/LF03 vs LM2576HVT-5.0/LB03
LM2678SDX-5.0 Texas Instruments Check for Price 8.75A SWITCHING REGULATOR, 280kHz SWITCHING FREQ-MAX, DSO14, LLP-14 LM2576T-5.0/LF03 vs LM2678SDX-5.0
LM2576-5.0WT Micrel Inc Check for Price Switching Regulator, Voltage-mode, 7.5A, 63kHz Switching Freq-Max, BIPolar, PSFM5, ROHS COMPLIANT, TO-220, 5 PIN LM2576T-5.0/LF03 vs LM2576-5.0WT
LM2576S-5.0TRT Semtech Corporation Check for Price Switching Regulator, Voltage-mode, 7.5A, 62kHz Switching Freq-Max, PSSO5, TO-263, 5 PIN LM2576T-5.0/LF03 vs LM2576S-5.0TRT

LM2576T-5.0/LF03 Related Parts

LM2576T-5.0/LF03 Frequently Asked Questions (FAQ)

  • The maximum input voltage that can be applied to the LM2576T-5.0/LF03 is 40V. Exceeding this voltage can cause damage to the device.

  • To ensure the stability of the output voltage, it is recommended to use a minimum output capacitance of 10uF with an ESR of less than 1 ohm. Additionally, the output voltage can be further stabilized by adding a 10nF capacitor between the output and ground.

  • The maximum output current that the LM2576T-5.0/LF03 can provide is 3A. Exceeding this current can cause the device to overheat and potentially fail.

  • The input capacitor value can be calculated using the formula: CIN = (IOUT x ΔI) / (f x ΔV), where CIN is the input capacitance, IOUT is the output current, ΔI is the input ripple current, f is the switching frequency, and ΔV is the input voltage ripple.

  • The LF03 is a low-dropout linear regulator that provides a regulated 5V output. It is used to regulate the output voltage of the LM2576T-5.0/LF03 and provide a stable 5V output.

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