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SG5841SZ - onsemi

Description: Obsolete - Green-Mode PWM Controller for Flyback Converter, Programmable Frequency 47KHz ~ 109KHz

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SG5841SZ - onsemi PCB footprint - Small Outline Packages - Small Outline Packages - 8-Lead, Small Outline Package (SOP-8)
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SG5841SZ Details

  • Manufacturer Part Number:

    SG5841SZ

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC-8

  • Package Description:

    SOP-8

  • Manufacturer Package Code:

    751EB

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    24.7 V

  • Input Voltage-Min:

    11 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -20 °C

  • Output Current-Max:

    0.23 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    5 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    68 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

SG5841SZ Frequently Asked Questions (FAQs)

  • A 2-layer or 4-layer PCB with a solid ground plane and thermal vias is recommended. Keep the thermal pad connected to the ground plane to improve heat dissipation.
  • Ensure a monotonic power-up and power-down sequence, with a minimum rise time of 10 ms and a maximum fall time of 100 ms. Also, add a 10 nF capacitor between VIN and GND to filter out noise.
  • The maximum allowed voltage on the EN pin is 6 V. Exceeding this voltage may damage the device.
  • Use a shielded inductor, keep the switching node (SW) as short as possible, and add a 10 nF capacitor between VIN and GND to reduce EMI. Also, consider adding a common-mode choke and a ferrite bead to the output.
  • Use a low-ESR ceramic capacitor (e.g., X5R or X7R) with a value between 4.7 μF and 10 μF. This helps to filter out input noise and reduce voltage ripple.

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SG5841SZ Overview

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Image Part Number Model
Part Image SG5841SZ Fairchild Semiconductor Corporation

Switching Controller, Current-mode, 0.23A, 68kHz Switching Freq-Max, BICMOS, PDSO8