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IS31FL3731-SALS2 - Lumissil Microsystems

Description: LED DRVR 144Segment 3.3V/5V 28-Pin QFN EP Tube

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IS31FL3731-SALS2 - Lumissil Microsystems - PCB symbol
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IS31FL3731-SALS2 - Lumissil Microsystems PCB footprint - Small Outline Packages - Small Outline Packages - SSOP_28
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IS31FL3731-SALS2 - Lumissil Microsystems - 3D model - Small Outline Packages - SSOP_28
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IS31FL3731-SALS2 Details

  • Manufacturer Part Number:

    IS31FL3731-SALS2

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Mainland China, Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Lumissil Microsystems

  • YTEOL:

    7.89

  • Data Input Mode:

    SERIAL

  • Display Mode:

    DOT MATRIX

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    10.2 mm

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    144

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    2 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.7 V

  • Supply Voltage-Nom:

    3.6 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    5.3 mm

  • fmax-Min:

    0.4 MHz

IS31FL3731-SALS2 Frequently Asked Questions (FAQs)

  • The recommended PCB layout for the IS31FL3731-SALS2 is to keep the LED pins as short as possible and away from the digital signal lines to minimize EMI. A solid ground plane and a separate power plane for the LED driver are also recommended.
  • The IS31FL3731-SALS2 requires a 3.3V or 5V power supply, and it's recommended to use a low-dropout linear regulator (LDO) to ensure a stable voltage supply. Additionally, decoupling capacitors should be placed close to the power pins to filter out noise.
  • The maximum current rating for each LED channel is 30mA, but it's recommended to limit the current to 20mA or less to ensure reliable operation and to prevent overheating.
  • The IS31FL3731-SALS2 can be programmed using a serial interface (SPI or I2C) and a microcontroller. The device requires a specific sequence of commands to configure the LED driver, and the datasheet provides a detailed programming guide.
  • The typical response time for the IS31FL3731-SALS2 is around 10us, which means it can update the LED brightness and pattern at a rate of up to 100kHz.

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IS31FL3731-SALS2 Overview

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