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UCC28250RGPT - Texas Instruments

Description: Texas Instruments UCC28250RGPT, PWM Controller 1.15 MHz, 4.7 → 17 V, 20-Pin QFN

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Symbol
UCC28250RGPT - Texas Instruments - PCB symbol
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PCB Footprints
UCC28250RGPT - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RGP(S-PVQFN-N20)
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3D Models
UCC28250RGPT - Texas Instruments - 3D model - Quad Flat No-Lead - RGP(S-PVQFN-N20)
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UCC28250RGPT Details

  • Manufacturer Part Number:

    UCC28250RGPT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Pin Count:

    20

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT/VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    17 V

  • Input Voltage-Min:

    4.7 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N20

  • JESD-609 Code:

    e4

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    3.38 V

  • Output Voltage-Min:

    3.22 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC20,.16SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Supply Current-Max (Isup):

    3.4 mA

  • Supply Voltage-Max (Vsup):

    17 V

  • Supply Voltage-Min (Vsup):

    4.7 V

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    1000 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

UCC28250RGPT Frequently Asked Questions (FAQs)

  • A good PCB layout for the UCC28250RGPT involves keeping the input and output stages separate, using a star-ground configuration, and placing the input and output capacitors close to the IC. Additionally, using a 4-layer PCB with a solid ground plane can help reduce EMI.
  • Optimizing the compensation network for the UCC28250RGPT involves selecting the right values for the compensation resistors and capacitors. A good starting point is to use the values recommended in the datasheet, and then adjust them based on the specific application requirements and the desired loop gain and phase margin.
  • The maximum output current that the UCC28250RGPT can deliver is 2A. However, this value can be limited by the thermal performance of the PCB and the ambient temperature. It's recommended to derate the output current based on the specific application requirements and the thermal performance of the system.
  • To protect the UCC28250RGPT from overvoltage and undervoltage conditions, it's recommended to use a voltage supervisor or a reset IC to monitor the input voltage and reset the IC if it falls outside the recommended operating range. Additionally, using a TVS diode or a zener diode can help protect the IC from voltage transients and spikes.
  • The recommended input capacitor value for the UCC28250RGPT is 10uF to 22uF, with a voltage rating of 25V or higher. The capacitor should be placed as close to the IC as possible to minimize noise and ripple.

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UCC28250RGPT 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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UCC28250RGPT Alternates

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Part Image UCC28250RGPR Texas Instruments

Switching Controller, Current/voltage-mode, 1000kHz Switching Freq-Max, PQCC20