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UCC2540 - High-Efficiency Secondary Side Synchronous PWM Controller

General Description

The UCC2540 is a secondary-side synchronous buck PWM controller for high current and low output voltage applications.

Key Features

  • D On-Chip Predictive Gate Drivet for High-Efficiency Synchronous Buck Operation D Dual ±3-A TrueDrivet Outputs D 1-MHz High Frequency Operation with 70-ns Delay from SYNCIN to G1 Output D Leading Edge Modulation D Overcurrent Protection using a Parallel Average Current Mode Control Loop D 3 Modes to Support 2.7-V to 35-V Bias Operation D Reverse Current Protection for Output Stage D User Programmable Shutdown D ±1.0% Initial Tolerance Bandgap Reference D High Bandwidth Error Amplifiers D Thermal.

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Datasheet Details

Part number UCC2540
Manufacturer Texas Instruments
File Size 1.20 MB
Description High-Efficiency Secondary Side Synchronous PWM Controller
Datasheet download datasheet UCC2540 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UCC2540 ą SLUS539C − JUNE 2004 − REVISED OCTOBER 2008 HIGHĆEFFICIENCY SECONDARYĆSIDE SYNCHRONOUS BUCK PWM CONTROLLER FEATURES D On-Chip Predictive Gate Drivet for High-Efficiency Synchronous Buck Operation D Dual ±3-A TrueDrivet Outputs D 1-MHz High Frequency Operation with 70-ns Delay from SYNCIN to G1 Output D Leading Edge Modulation D Overcurrent Protection using a Parallel Average Current Mode Control Loop D 3 Modes to Support 2.7-V to 35-V Bias Operation D Reverse Current Protection for Output Stage D User Programmable Shutdown D ±1.