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MP1540DJ-LF-Z - Monolithic Power Systems (MPS)

Description: Switching Voltage Regulators 1.3MHz, 18V Step-up Converter

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PCB Footprints
MP1540DJ-LF-Z - Monolithic Power Systems (MPS) PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - TSOT23-5_1
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3D Models
MP1540DJ-LF-Z - Monolithic Power Systems (MPS)  - 3D model - SOT23 (5-Pin) - TSOT23-5_1
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MP1540DJ-LF-Z Details

  • Manufacturer Part Number:

    MP1540DJ-LF-Z

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    20 Weeks

  • Manufacturer:

    Monolithic Power Systems

  • YTEOL:

    7.3

  • Additional Feature:

    ADJUSTABLE OUTPUT VOLTAGE FROM 3 TO 18 V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    6 V

  • Input Voltage-Min:

    2.5 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e3

  • Length:

    2.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    1600 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    1.6 mm

MP1540DJ-LF-Z Frequently Asked Questions (FAQs)

  • A 2-layer or 4-layer PCB with a solid ground plane and thermal vias under the IC is recommended. This helps to dissipate heat efficiently and reduce thermal resistance.
  • Ensure that the output capacitor has a low ESR and is placed close to the IC. Also, use a minimum of 10uF output capacitance and a 1uF or larger input capacitor. Additionally, avoid using long traces and minimize the loop area of the feedback network.
  • The maximum input voltage rating is 24V, but it's recommended to operate the IC within 15V to ensure reliable operation and minimize the risk of damage.
  • The output voltage ripple and noise can be estimated using the formula: ΔVout = (Iout * ESR) / (f * Cout), where Iout is the output current, ESR is the output capacitor's equivalent series resistance, f is the switching frequency, and Cout is the output capacitance.
  • A low-ESR ceramic capacitor with a value of 1uF to 10uF is recommended. X5R or X7R dielectric capacitors are suitable for this application.

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MP1540DJ-LF-Z Overview

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