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UC1825AJ883B - Texas Instruments

Description: Switching Controllers High Speed PWM Controller 16-CDIP -55 to 125

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UC1825AJ883B - Texas Instruments PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - J(R-GDIP-T16)
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UC1825AJ883B - Texas Instruments  - 3D model - Ceramic Dual-In-Line Packages - J(R-GDIP-T16)
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UC1825AJ883B Details

  • Manufacturer Part Number:

    UC1825AJ883B

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    1999-11-03

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    CAN ALSO BE CONFIGURED IN CURRENT MODE

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    8.8 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-GDIP-T16

  • JESD-609 Code:

    e0

  • Length:

    19.56 mm

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Current-Max:

    2.2 A

  • Output Voltage-Max:

    5.15 V

  • Output Voltage-Min:

    5.05 V

  • Output Voltage-Nom:

    5.1 V

  • Package Body Material:

    CERAMIC, GLASS-SEALED

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Screening Level:

    MIL-STD-883 Class B

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    36 mA

  • Supply Voltage-Max (Vsup):

    20 V

  • Supply Voltage-Min (Vsup):

    9.2 V

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    NO

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

UC1825AJ883B Frequently Asked Questions (FAQs)

  • A good layout practice is to keep the input and output stages separate, use a star-ground configuration, and minimize loop areas to reduce EMI. TI provides a recommended layout in the datasheet and application notes.
  • To ensure stability, follow the recommended compensation network values, use a low-ESR output capacitor, and minimize the output capacitor's equivalent series inductance (ESL). Additionally, consider adding a small resistor in series with the output capacitor to dampen oscillations.
  • Although the datasheet specifies a maximum input voltage of 40V, it's recommended to derate the input voltage to 35V or lower to ensure reliable operation and prevent damage to the device.
  • Choose an output capacitor with a low ESR, high ripple current rating, and a voltage rating that exceeds the output voltage. A ceramic or polymer capacitor with a value between 10uF to 22uF is a good starting point.
  • While the UC1825AJ883B is rated for operation up to 125°C, it's essential to consider the device's power dissipation, thermal resistance, and the PCB's thermal design to ensure reliable operation in high-temperature environments.

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UC1825AJ883B Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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