Part Image

LTC7149EFE#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTC7149EFE#PBF - DC-DC Switching Sync- Buck (Step Down) Regulator, Adj., 3.4V-60Vin, -28V-0V/4A out, 3 MHz, TSSOP-28

Download LTC7149EFE#PBF 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
LTC7149EFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 28-Lead Plastic TSSOP
click to zoom
3D Models
LTC7149EFE#PBF - Analog Devices  - 3D model - Small Outline Packages - 28-Lead Plastic TSSOP
click to zoom

LTC7149EFE#PBF Details

  • Manufacturer Part Number:

    LTC7149EFE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TSSOP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1663 (EB)

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM -28 TO -0.05

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    BURST MODE

  • Input Voltage-Max:

    60.05 V

  • Input Voltage-Min:

    3.4 V

  • Input Voltage-Nom:

    24 V

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    6.6 A

  • Output Voltage-Max:

    -28 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1080 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    4.4 mm

LTC7149EFE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC7149EFE involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing trace lengths and widths to reduce parasitic inductance and capacitance.
  • To ensure stability, make sure to follow the recommended component values and PCB layout, and add a small capacitor (e.g., 10nF) between the VCC and GND pins to filter out noise. Also, avoid using long traces and minimize the distance between the IC and the output capacitors.
  • The maximum input voltage for the LTC7149EFE is 15V, but it's recommended to keep the input voltage below 12V for optimal performance and to prevent overheating.
  • The LTC7149EFE is rated for operation up to 125°C, but its performance may degrade at high temperatures. It's recommended to derate the output current and voltage at high temperatures to ensure reliable operation.
  • The output voltage of the LTC7149EFE can be calculated using the formula: VOUT = (R1/R2) * (VIN - VREF), where R1 and R2 are the resistors in the feedback network, VIN is the input voltage, and VREF is the internal reference voltage (1.21V).

Trust Checks

This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored

LTC7149EFE#PBF Overview

Use the download button to access the LTC7149EFE#PBF schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LTC71, or try a keyword search, such as Switching Regulator or Controllers

About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

Parts related to LTC7149EFE#PBF

Showing 0 results