-
Part Symbol
-
Footprint
-
3D Model
Available Download Formats
By downloading CAD models, you agree to our Terms & Conditions and Privacy Policy
SIMPLE SWITCHER® 40V, 3A Low Component Count Step-Down Regulator 5-TO-220
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/LB03 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.
Part # | Distributor | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
|
Quest Components | 16 |
|
$4.4000 / $6.0000 | Buy Now | |
|
Vyrian | Other Function Semiconductors | 915 |
|
RFQ | |
|
Win Source Electronics | IC REG BUCK 5V 3A TO220-5 / Conv DC-DC 4V to 40V Inv/Step Down Single-Out 5V 3A 5-Pin(5+Tab) TO-220 Tube | 88555 |
|
$1.2058 / $1.5569 | Buy Now |
By downloading CAD models, you agree to our Terms & Conditions and Privacy Policy
|
LM2576T-5.0/LB03
Texas Instruments
Buy Now
Datasheet
|
Compare Parts:
LM2576T-5.0/LB03
Texas Instruments
SIMPLE SWITCHER® 40V, 3A Low Component Count Step-Down Regulator 5-TO-220
|
Pbfree Code | Yes | |
Rohs Code | No | |
Part Life Cycle Code | Obsolete | |
Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
Part Package Code | SFM | |
Package Description | TO-220, 5 PIN | |
Pin Count | 3 | |
Reach Compliance Code | not_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 | e0 | |
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 | |
Peak Reflow Temperature (Cel) | NOT APPLICABLE | |
Surface Mount | NO | |
Switcher Configuration | BUCK | |
Switching Frequency-Max | 63 kHz | |
Temperature Grade | AUTOMOTIVE | |
Terminal Finish | Tin/Lead (Sn/Pb) | |
Terminal Form | THROUGH-HOLE | |
Terminal Position | ZIG-ZAG | |
Time@Peak Reflow Temperature-Max (s) | NOT APPLICABLE |
This table gives cross-reference parts and alternative options found for LM2576T-5.0/LB03. 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/LB03, 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/LB03 vs LM2576HVSX-5.0/NOPB |
MIC4576-5.0WT | Microchip Technology Inc | $4.5600 | 8.5A SWITCHING REGULATOR, 220kHz SWITCHING FREQ-MAX, PSFM5 | LM2576T-5.0/LB03 vs MIC4576-5.0WT |
MIC4576-5.0WU-TR | Microchip Technology Inc | $4.7550 | 8.5A SWITCHING REGULATOR, 220kHz SWITCHING FREQ-MAX, PSSO5 | LM2576T-5.0/LB03 vs MIC4576-5.0WU-TR |
UC2576T-5.0 | Unitrode Corporation | Check for Price | Switching Regulator, Voltage-mode, 4.2A, 52kHz Switching Freq-Max, BIPolar, PSFM5, | LM2576T-5.0/LB03 vs UC2576T-5.0 |
LM2576TV-5 | Motorola Mobility LLC | Check for Price | 3A SWITCHING REGULATOR, 63kHz SWITCHING FREQ-MAX, PSFM5, TO-220, 5 PIN | LM2576T-5.0/LB03 vs LM2576TV-5 |
LM2678LD-5.0 | National Semiconductor Corporation | Check for Price | IC 8.75 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, DSO14, LLP-14, Switching Regulator or Controller | LM2576T-5.0/LB03 vs LM2678LD-5.0 |
LM2576S-5.0T | Semtech Corporation | Check for Price | Switching Regulator, Voltage-mode, 7.5A, 62kHz Switching Freq-Max, PSSO5, TO-263, 5 PIN | LM2576T-5.0/LB03 vs LM2576S-5.0T |
MIC4576-5.0WU-TR | Micrel Inc | Check for Price | Switching Regulator, 8.5A, 220kHz Switching Freq-Max, BICMOS, PSSO5, ROHS COMPLIANT, TO-263, 5 PIN | LM2576T-5.0/LB03 vs MIC4576-5.0WU-TR |
LM2576HVT-5.0 | National Semiconductor Corporation | Check for Price | IC 7.5 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSFM5, TO-220, 5 PIN, Switching Regulator or Controller | LM2576T-5.0/LB03 vs LM2576HVT-5.0 |
LM2576D2TR4-005 | onsemi | Check for Price | 7.5A SWITCHING REGULATOR, 63kHz SWITCHING FREQ-MAX, PSSO5, PLASTIC, D2PAK-5 | LM2576T-5.0/LB03 vs LM2576D2TR4-005 |
The maximum input voltage that can be applied to the LM2576T-5.0/LB03 is 40V, but it's recommended to keep it below 35V for reliable operation.
The LM2576T-5.0/LB03 has a maximum operating junction temperature of 125°C, but it's recommended to keep it below 85°C for reliable operation. You can use thermal management techniques like heat sinks or thermal interfaces to reduce the temperature.
To ensure the stability of the output voltage, make sure to use a suitable output capacitor with a low ESR (Equivalent Series Resistance) and a minimum capacitance of 22uF. Also, ensure that the input capacitor is properly sized and placed close to the IC.
The LM2576T-5.0/LB03 is a switching regulator, and it can generate switching noise. To minimize the noise, use a suitable layout, keep the input and output capacitors close to the IC, and use a shielded inductor. You can also add a noise filter or a ferrite bead to the output to reduce the noise.
The output voltage ripple can be calculated using the formula: ΔVout = (Iout * ESR) / (fsw * Cout), where Iout is the output current, ESR is the equivalent series resistance of the output capacitor, fsw is the switching frequency, and Cout is the output capacitance.