SRK2000ATR

Power Supply Controllers, Monitors Overview

The SRK2000ATR is a synchronous rectifier smart driver designed for secondary side synchronous rectification in LLC resonant converters. It features dual gate drive outputs capable of driving N-channel Power MOSFETs, with source and sink currents of 1 A and 3.5 A respectively. The device operates within a voltage range of 4.5 to 32 V and supports frequencies up to 500 kHz. It includes an intelligent automatic sleep mode for light load efficiency and matched turn-off thresholds.

Power Supply Controllers, Monitors Feature Summary

• Implements control scheme specific to secondary side synchronous rectification in LLC resonant converters
• Features intelligent automatic sleep mode that reduces quiescent consumption at light loads
• Provides interlocking logic circuit to prevent simultaneous conduction of synchronous rectifier MOSFETs

Power Supply Controllers, Monitors Applications

• LLC resonant converters with center tap secondary winding
• Full wave rectification applications
• Power supplies requiring high efficiency at light load conditions

Power Supply Controllers, Monitors Procurement Notes

Verify the component status as the SRK2000A series may be subject to obsolescence or end-of-life notices. Confirm availability through authorized distributors and check for any minimum order quantity restrictions associated with tape and reel packaging. Ensure compatibility with existing design specifications before procurement.

Power Supply Controllers, Monitors Selection Notes

Select this component for LLC resonant converter designs requiring optimized secondary side synchronous rectification. It is suitable for applications needing low external component count and efficient light-load performance. Consider the SO-8 package option and verify operating frequency requirements against the 500 kHz maximum limit.

Power Supply Controllers, Monitors Part Context

The SRK2000ATR belongs to STMicroelectronics' SRK series of synchronous rectifier controllers. This family targets power management applications where efficiency and compactness are critical. The device integrates protection features and advanced control schemes to enhance converter performance across various load conditions.

Power Supply Controllers, Monitors Replacement Considerations

Check for direct substitutes within the SRK series such as the SRK2000A. Verify pinout compatibility and electrical parameter alignment. Consult official documentation for any recommended replacements if the current part is discontinued.