Startseite Energiemanagement AC/DC- und DC/DC-Controller (externer FET)
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AC/DC- und DC/DC-Controller (externer FET)

UCC28220-Q1

AKTIV

Zweifach-Interleaved-2-MHz-PWM-Controller für die Automobil-Elektronik, mit programmierbarer maximal

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Datenblatt

UCC28220-Q1

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Vin (max) (V) 14.5 Operating temperature range (°C) -40 to 125 Control mode Current Topology Flyback, Forward Rating Automotive Features Adjustable switching frequency, Current limiting, Input line monitor, Multi-topology, Programmable max duty cycle, Programmable slope compensation, Soft start Duty cycle (max) (%) 90
Vin (max) (V) 14.5 Operating temperature range (°C) -40 to 125 Control mode Current Topology Flyback, Forward Rating Automotive Features Adjustable switching frequency, Current limiting, Input line monitor, Multi-topology, Programmable max duty cycle, Programmable slope compensation, Soft start Duty cycle (max) (%) 90
SOIC (D) 16 59.4 mm² 9.9 x 6 TSSOP (PW) 16 32 mm² 5 x 6.4
  • Qualified for Automotive Applications
  • 2-MHz High-Frequency Oscillator With 1-MHz Operation Per Channel
  • Matched Internal Slope Compensation Circuits
  • Programmable Maximum Duty Cycle Clamp 60% to 90% Per Channel
  • Peak Current Mode Control With Cycle-by-Cycle Current Limit
  • Current Sense Discharge Transistor for Improved Noise Immunity
  • Accurate Line Undervoltage and Overvoltage Sense With Programmable Hysteresis
  • Opto-Coupler Interface
  • Operates From 12-V Supply
  • Programmable Soft-Start
  • APPLICATIONS
    • High Output Current (50 A to 100 A) Converters
    • Maximum Power Density Designs
    • High-Efficiency 48-V Input with Low-Output Ripple Converters
    • High-Power Offline, Telecom, and Datacom Power Supplies

PowerPAD is a trademark of Texas Instruments.
  • Qualified for Automotive Applications
  • 2-MHz High-Frequency Oscillator With 1-MHz Operation Per Channel
  • Matched Internal Slope Compensation Circuits
  • Programmable Maximum Duty Cycle Clamp 60% to 90% Per Channel
  • Peak Current Mode Control With Cycle-by-Cycle Current Limit
  • Current Sense Discharge Transistor for Improved Noise Immunity
  • Accurate Line Undervoltage and Overvoltage Sense With Programmable Hysteresis
  • Opto-Coupler Interface
  • Operates From 12-V Supply
  • Programmable Soft-Start
  • APPLICATIONS
    • High Output Current (50 A to 100 A) Converters
    • Maximum Power Density Designs
    • High-Efficiency 48-V Input with Low-Output Ripple Converters
    • High-Power Offline, Telecom, and Datacom Power Supplies

PowerPAD is a trademark of Texas Instruments.

The UCC28220 is a BiCMOS interleaved dual-channel PWM controller. Peak current mode control is used to ensure current sharing between the two channels. A precise maximum duty cycle clamp can be set to any value between 60% and 90% duty cycle per channel. UCC28220 has an UVLO turn-on threshold of 10 V for use in 12-V supplies. It has 8-V turn-off threshold.

Additional features include a programmable internal slope compensation with a special circuit that ensures exactly the same slope is added to each channel. The UCC28220 is available in a 16-pin low-profile TSSOP package.

The UCC28220 is a BiCMOS interleaved dual-channel PWM controller. Peak current mode control is used to ensure current sharing between the two channels. A precise maximum duty cycle clamp can be set to any value between 60% and 90% duty cycle per channel. UCC28220 has an UVLO turn-on threshold of 10 V for use in 12-V supplies. It has 8-V turn-off threshold.

Additional features include a programmable internal slope compensation with a special circuit that ensures exactly the same slope is added to each channel. The UCC28220 is available in a 16-pin low-profile TSSOP package.
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* Data sheet Interleaved Dual PWM Controller With Programmable Max Duty Cycle datasheet 25 Sep 2007

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