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LT1959CR#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LT1959CR#PBF - DC-DC Switching Buck (Step Down) Regulator, Adjustable, 4V-16Vin, 1.21V-12.9Vout, 4.5Aout, TO-263-7

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LT1959CR#PBF - Analog Devices PCB footprint - Other - Other - R Package7-Lead Plastic DD Pak
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LT1959CR#PBF Details

  • Manufacturer Part Number:

    LT1959CR#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    PLASTIC, D2PAK-7

  • Pin Count:

    7

  • Manufacturer Package Code:

    05-08-1462

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    CONSTANT FREQUENCY

  • Input Voltage-Max:

    15 V

  • Input Voltage-Min:

    4.3 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PSSO-G7

  • JESD-609 Code:

    e3

  • Length:

    10.2235 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    7

  • Operating Temperature-Max:

    125 °C

  • Output Current-Max:

    8.5 A

  • Output Voltage-Min:

    1.21 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-263

  • Package Equivalence Code:

    SMSIP7H,.55,50TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    4.572 mm

  • Supply Current-Max (Isup):

    5.4 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    560 kHz

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    SINGLE

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

    30

  • Width:

    8.89 mm

LT1959CR#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1959CR involves keeping the input and output traces short and wide, using a solid ground plane, and placing the input and output capacitors close to the device. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the output capacitor is of high quality and has a low equivalent series resistance (ESR). Additionally, add a small capacitor (e.g., 10nF) between the VIN and GND pins to filter out high-frequency noise.
  • The maximum ambient temperature range for the LT1959CR is -40°C to 125°C. However, the device's performance may degrade at higher temperatures, so it's essential to ensure proper thermal management in your design.
  • Yes, the LT1959CR is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive applications and is also suitable for industrial and medical applications that require high reliability.
  • To calculate the power dissipation of the LT1959CR, use the following formula: Pd = (VIN x IIN) + (VOUT x IOUT). Make sure to consider the device's efficiency, input voltage, output voltage, and output current when calculating the power dissipation.

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LT1959CR#PBF Overview

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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.

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