SRK2000DTR Synchronous Rectifier Controller for Avalon 1346 PSU Repair
Couldn't load pickup availability
Have questions about this product? Our team is here to help — just reach out on WhatsApp.
💬 Contact Us on WhatsAppAbout the Product
SRK2000DTR Synchronous Rectifier Driver for Avalon 1346 Power Supply Repair
The SRK2000DTR is a smart secondary-side synchronous rectifier controller specifically designed for LLC resonant converters using a center-tapped transformer secondary for full-wave rectification. It is a key replacement component used in the Avalon 1346 power supply, ensuring high efficiency and stable operation.
This controller integrates dual high-current gate drivers, each independently controlled, allowing it to drive one or more N-channel MOSFETs per channel. Built-in interlocking logic prevents both synchronous rectifier MOSFETs from turning on simultaneously, improving reliability and preventing cross-conduction.
High-Efficiency Secondary-Side Control for LLC Resonant Power Supplies
The SRK2000DTR is optimized for demanding power environments and includes current reverse protection, safe handling of startup and load transients, and an intelligent automatic sleep mode at light load conditions to reduce power consumption.
With an operating voltage range from 4.5V to 32V, ultra-low static consumption of 250µA, and operation up to 500kHz, this controller is ideal for high-efficiency mining PSUs and server-grade power supplies.
SRK2000DTR Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Secondary-Side Synchronous Rectifier Controller |
| Topology | LLC Resonant Converter (Center-Tapped Secondary) |
| Gate Driver Outputs | 2 Independent Channels |
| Gate Drive Capability | Source / Sink 3.5A |
| MOSFET Type | N-Channel MOSFET |
| Operating Voltage Range | 4.5V – 32V |
| Maximum Operating Frequency | 500 kHz |
| Static Current Consumption | 250 µA |
| UVLO | Programmable with Hysteresis |
| Protection Features | Current Reverse Protection, Interlock Logic |
| Package | SO-8 |
| Primary Application | Avalon 1346 Power Supply Repair |
Typical Applications
- Avalon 1346 mining power supplies
- High-power AC-DC adapters
- 80+ / 85+ ATX switching power supplies
- 90+ / 92+ server-grade SMPS
- Industrial and high-efficiency SMPS
Shipping & Customs
🇺🇸🇪🇺 USA & European Union (DDP):
Orders are delivered DDP (Delivered Duty Paid). All customs duties, import taxes, and fees are included — no additional charges on delivery.
🌍 Rest of world:
Orders ship from China. Depending on your country, local customs authorities may apply import duties or taxes. Any such fees are set by your local authorities and are not included in the product price.
Buying in bulk for a mining farm or repair shop?
Get dedicated B2B pricing on this part and across our full catalog — quote response within 24 hours, payment by T/T USD bank wire, and DDP delivery available for US & EU customers (and other lanes on request).
