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UCC2897APWR - Texas Instruments

Description: 110-V active clamp current mode PWM controller with P-channel clamp FET and line OV protection

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UCC2897APWR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW (R-PDSO-G20)
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UCC2897APWR - Texas Instruments  - 3D model - Small Outline Packages - PW (R-PDSO-G20)
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UCC2897APWR Details

  • Manufacturer Part Number:

    UCC2897APWR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    16 V

  • Input Voltage-Min:

    8.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    6.5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max (Isup):

    3 mA

  • Supply Voltage-Max (Vsup):

    16 V

  • Supply Voltage-Min (Vsup):

    8.5 V

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

UCC2897APWR Frequently Asked Questions (FAQs)

  • A good PCB layout for the UCC2897APWR involves keeping the input and output stages separate, using a star-ground configuration, and placing the IC close to the input capacitors. Additionally, using a solid ground plane and minimizing trace lengths can help reduce EMI.
  • Choose input capacitors with low ESR and high ripple current ratings. For output capacitors, select ones with low ESR and high capacitance. The datasheet recommends a minimum capacitance of 10uF for the input capacitor and 22uF for the output capacitor.
  • The UCC2897APWR can operate in an ambient temperature range of -40°C to 85°C. However, the junction temperature should not exceed 150°C.
  • The output voltage of the UCC2897APWR can be adjusted by changing the resistor divider ratio between the FB pin and the output voltage. A higher resistor value will increase the output voltage, while a lower value will decrease it.
  • The EN (enable) pin is used to turn the converter on or off. When the EN pin is high, the converter is enabled, and when it's low, the converter is disabled. This pin can be used to implement power sequencing or to turn off the converter during shutdown.

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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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Part Image UCC2897APW Texas Instruments

Switching Controller, Current-mode, 2.5A, 1000kHz Switching Freq-Max, BICMOS, PDSO20