Part Image

LM2576BT - Microchip

Description: Buck Switching Regulator IC Positive Adjustable 1.23V 1 Output 3A TO-220-5

Download LM2576BT Model
Schematic
symbols
Schematic symbol is unavailable for download
PCB
footprints
PCB footprint is unavailable for download
3D
models
3D model is unavailable for download
PCB Footprints
LM2576BT - Microchip PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - 5 LEAD TO220 (T)
click to zoom
3D Models
LM2576BT - Microchip  - 3D model - Transistor Outline, Vertical - 5 LEAD TO220 (T)
click to zoom

LM2576BT Details

  • Manufacturer Part Number:

    LM2576BT

  • Rohs Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SFM

  • Package Description:

    TO-220, SIP5,.1,67TB

  • Pin Count:

    3

  • Reach Compliance Code:

    Not Compliant

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    0

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 1.23V TO 37V

  • 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-PSFM-T5

  • JESD-609 Code:

    e0

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    7.5 A

  • Output Voltage-Nom:

    1.23 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-220

  • Package Equivalence Code:

    SIP5,.1,67TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Qualification Status:

    Not Qualified

  • Supply Current-Max (Isup):

    10 mA

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    63 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    1.7 mm

  • Terminal Position:

    SINGLE

LM2576BT Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2576BT is 40V, but it's recommended to keep it below 35V for reliable operation.
  • To ensure the LM2576BT operates within its SOA, make sure to keep the input voltage, output current, and junction temperature within the recommended limits. Also, ensure proper heat sinking and thermal management.
  • The minimum input voltage required for the LM2576BT to operate is around 7V, but it's recommended to keep it above 8V for reliable startup and operation.
  • The LM2576BT is rated for operation up to 125°C, but its performance and reliability may degrade at high temperatures. Ensure proper heat sinking and thermal management to keep the junction temperature below 125°C.
  • The output voltage of the LM2576BT can be calculated using the formula: Vout = 1.23 * (1 + R2/R1), where R1 and R2 are the resistors used in the feedback network.

Trust Checks

This model has been verified by system checks.
System Verified
Sponsored

LM2576BT Overview

Use the download button to access the LM2576BT schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LM257, or try a keyword search, such as Switching Regulator or Controllers

About Microchip

Microchip Technology Inc. is a leading manufacturer of microcontrollers and semiconductor devices for a wide range of applications in the aerospace, automotive, consumer electronics, industrial, and medical industries. Alongside a comprehensive product portfolio, Microchip Technology Inc. also provides easy-to-use development tools that enable engineers to create optimal designs quickly with minimal iterations to reduce risk while lowering total system costs to market. Headquartered in Chandler, Arizona, th

Parts related to LM2576BT

Showing 0 results

LM2576BT Alternates

Showing results

Image Part Number Model
Part Image LM2576WT Microchip Technology Inc

Switching Regulator, Voltage-mode, 7.5A, 63kHz Switching Freq-Max

Part Image LM2576WT Micrel Inc

Switching Regulator, Voltage-mode, 7.5A, 63kHz Switching Freq-Max, BIPolar, PSFM5