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SG6859ATZ - onsemi

Description: Obsolete - 6Pin Green-Mode PWM Controller for Flyback Converter, Programmable Frequency 50KHz ~ 80KHz

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PCB Footprints
SG6859ATZ - onsemi PCB footprint - SOT23 (6-Pin) - SOT23 (6-Pin) - sot-23
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3D Models
SG6859ATZ - onsemi  - 3D model - SOT23 (6-Pin) - sot-23
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SG6859ATZ Details

  • Manufacturer Part Number:

    SG6859ATZ

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSOT-23-6

  • Package Description:

    SSOT-6

  • Manufacturer Package Code:

    419AG

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT/VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    22 V

  • Input Voltage-Min:

    10.5 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-PDSO-G6

  • JESD-609 Code:

    e3

  • Length:

    2.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    6

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max (Isup):

    3.5 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    75 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    1.6 mm

SG6859ATZ 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 proper heat sinking, use a thermal interface material, and follow the recommended PCB layout. Also, consider derating the device's power dissipation at high temperatures.
  • The maximum allowed voltage on the enable pin (EN) is 6V. Exceeding this voltage may damage the device.
  • Yes, but ensure the device is properly heat-sunk and the current is within the recommended operating range. Exceeding the maximum current rating may reduce the device's lifespan.
  • Check the input voltage, output voltage, and current. Verify the enable pin (EN) is properly biased. Use an oscilloscope to check for oscillations or noise on the output.

Trust Checks

This model has been built in collaboration with the manufacturer.
Manufacturer Collaborated
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SG6859ATZ Overview

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Image Part Number Model
Part Image SG6859ATZ Fairchild Semiconductor Corporation

Switching Controller, Current-mode, 75kHz Switching Freq-Max, BICMOS, PDSO6