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LDFMPUR - STMicroelectronics

Description: STMICROELECTRONICS - LDFMPUR - Fixed LDO Voltage Regulator, 2.5V to 16V, 125mV drop, 500mA out, DFN-6

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LDFMPUR - STMicroelectronics - PCB symbol
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PCB Footprints
LDFMPUR - STMicroelectronics PCB footprint - Small Outline No-lead - Small Outline No-lead - DFN6 (3x3 mm) package
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LDFMPUR - STMicroelectronics - 3D model - Small Outline No-lead - DFN6 (3x3 mm) package
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LDFMPUR Details

  • Manufacturer Part Number:

    LDFMPUR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    DFN-6

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    16 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    8

  • Adjustability:

    ADJUSTABLE

  • Dropout Voltage1-Max:

    0.3 V

  • Dropout Voltage1-Nom:

    0.125 V

  • JESD-30 Code:

    S-PDSO-N6

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Line Regulation-Max (%/V):

    0.04

  • Load Regulation-Max:

    1.25%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    6

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    0.5 A

  • Output Voltage1-Max:

    12 V

  • Output Voltage1-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Regulator Type:

    ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Width:

    3 mm

LDFMPUR Frequently Asked Questions (FAQs)

  • STMicroelectronics recommends a 4-layer PCB with a solid ground plane, and a separate power plane for the LDFMPUR. The input and output tracks should be kept short and away from noise sources. A good decoupling scheme is also essential.
  • The LDFMPUR requires a power-up sequence of VCC, then VDD, and finally EN. The EN pin should be tied to VCC through a resistor. The device should be configured through the I2C interface, following the protocol outlined in the datasheet.
  • The maximum current rating of the LDFMPUR output stages is 100mA per channel. However, the total current drawn from the device should not exceed 500mA to prevent overheating.
  • First, verify that the power-up sequence is correct and the device is properly configured. Check the I2C communication using a logic analyzer or oscilloscope. If issues persist, try resetting the device or checking for short circuits or overheating.
  • The LDFMPUR is rated for operation up to 85°C. However, the device's performance and reliability may degrade at higher temperatures. It is recommended to use a heat sink or thermal management system to keep the device within its operating temperature range.

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LDFMPUR Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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