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

UCC2541

AKTIV

Synchroner Abwärts-PWM-Controller mit hohem Wirkungsgrad

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Datenblatt

UCC2541

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Operating temperature range (°C) -40 to 105 Topology Buck, Inverting buck boost Rating Catalog
Operating temperature range (°C) -40 to 105 Topology Buck, Inverting buck boost Rating Catalog
HTSSOP (PWP) 20 41.6 mm² 6.5 x 6.4
  • On-Chip Predictive Gate Drive™ for High-Efficiency Synchronous Buck Operation
  • Dual ±3-A TrueDrive™ Outputs
  • On-Board Programmable Oscillator with 1-MHz Frequency Operation
  • TR Input for Sequencing Operation
  • Overcurrent Protection using a Parallel Average Current Mode Control Loop
  • 3 Modes to Support 2.7-V to 35-V Input Bias
  • Reverse Current Protection for Output Stage
  • User Programmable Shutdown Using SS Pin
  • ±1.0% Initial Tolerance Bandgap Reference
  • High Bandwidth Error Amplifiers
  • Thermally Enhanced HTSSOP 20-Pin PowerPAD™ Package and QFN-32 Pin
  • Synchronization Input
  • Supports Pre-Bias Applications
  • APPLICATIONS
    • High Efficiency Non-Isolated Converters Requiring Advanced Features such as Pre-Bias Support and Tracking Capability
    • Point-of-Load Modules for Servers, Telecom, and Data communication Equipments
    • Good for Input Voltages of 3.3 V, 5.0 V, 12.0 V, or Intermediate Bus Voltages

Predictive Gate Drive, TrueDrive and PowerPAD are trademarks of Texas Instruments Incorporated.
  • On-Chip Predictive Gate Drive™ for High-Efficiency Synchronous Buck Operation
  • Dual ±3-A TrueDrive™ Outputs
  • On-Board Programmable Oscillator with 1-MHz Frequency Operation
  • TR Input for Sequencing Operation
  • Overcurrent Protection using a Parallel Average Current Mode Control Loop
  • 3 Modes to Support 2.7-V to 35-V Input Bias
  • Reverse Current Protection for Output Stage
  • User Programmable Shutdown Using SS Pin
  • ±1.0% Initial Tolerance Bandgap Reference
  • High Bandwidth Error Amplifiers
  • Thermally Enhanced HTSSOP 20-Pin PowerPAD™ Package and QFN-32 Pin
  • Synchronization Input
  • Supports Pre-Bias Applications
  • APPLICATIONS
    • High Efficiency Non-Isolated Converters Requiring Advanced Features such as Pre-Bias Support and Tracking Capability
    • Point-of-Load Modules for Servers, Telecom, and Data communication Equipments
    • Good for Input Voltages of 3.3 V, 5.0 V, 12.0 V, or Intermediate Bus Voltages

Predictive Gate Drive, TrueDrive and PowerPAD are trademarks of Texas Instruments Incorporated.

The UCC2541 is a synchronous buck PWM controller for high current and low output voltage applications.

For higher efficiency, it incorporates the Predictive Gate Drive™ technology that virtually eliminates body diode conduction losses in synchronous rectifiers.

The UCC2541 is available in the extended temperature range of -40°C to 105°C and is offered in thermally enhanced PowerPAD™ 20-pin HTSSOP (PWP) or 32-pin quad flatpack (RHB) package. This space saving package with standard 20-pin TSSOP footprint has a drastically lower thermal resistance of 1.4°C/W JC to accommodate the dual high-current drivers on board.

The UCC2541 is a synchronous buck PWM controller for high current and low output voltage applications.

For higher efficiency, it incorporates the Predictive Gate Drive™ technology that virtually eliminates body diode conduction losses in synchronous rectifiers.

The UCC2541 is available in the extended temperature range of -40°C to 105°C and is offered in thermally enhanced PowerPAD™ 20-pin HTSSOP (PWP) or 32-pin quad flatpack (RHB) package. This space saving package with standard 20-pin TSSOP footprint has a drastically lower thermal resistance of 1.4°C/W JC to accommodate the dual high-current drivers on board.
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* Data sheet High-Efficiency Ssynchronous Buck PWM Controller datasheet (Rev. A) 22 Sep 2005

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