Overview
The TEA1761T/N2/DG118 is a synchronous rectifier controller IC produced by NXP USA Inc. This component is specifically designed for use on the secondary side of discontinuous conduction mode (DCM) and quasi-resonant switch-mode power supplies. It is part of the GreenChip family, known for its energy-efficient solutions. The TEA1761T/N2/DG118 enhances the efficiency of power supplies by controlling the synchronous rectification process, thereby reducing energy losses and improving overall system performance.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SO-8 |
| Operating Temperature Range | -40°C to 150°C |
| Supply Voltage Range | 8.5 V to 35 V |
| Switching Frequency | Up to 250 kHz |
| Minimum On-Time | 200 ns |
| Maximum Gate Drive Current | 1.5 A |
| Logic Input Voltage | 3.3 V / 5 V compatible |
Key Features
- Synchronous rectification controller for DCM and quasi-resonant switch-mode power supplies
- High efficiency due to optimized synchronous rectification
- Low minimum on-time of 200 ns
- Maximum gate drive current of 1.5 A
- 3.3 V / 5 V logic input compatibility
- Integrated overcurrent protection and undervoltage lockout
- Compact SO-8 package
Applications
The TEA1761T/N2/DG118 is suitable for a variety of power supply applications, including:
- Switch-mode power supplies in consumer electronics
- Power adapters and chargers
- Industrial power supplies
- Automotive power systems
- Renewable energy systems
Q & A
- What is the primary function of the TEA1761T/N2/DG118? The primary function is to control synchronous rectification in switch-mode power supplies.
- What types of power supplies is this IC designed for? It is designed for discontinuous conduction mode (DCM) and quasi-resonant switch-mode power supplies.
- What is the operating temperature range of the TEA1761T/N2/DG118? The operating temperature range is -40°C to 150°C.
- What is the maximum switching frequency supported by this IC? The maximum switching frequency is up to 250 kHz.
- What is the minimum on-time of the TEA1761T/N2/DG118? The minimum on-time is 200 ns.
- Is the TEA1761T/N2/DG118 compatible with 3.3 V and 5 V logic inputs? Yes, it is compatible with both 3.3 V and 5 V logic inputs.
- What type of package does the TEA1761T/N2/DG118 come in? It comes in an SO-8 package.
- What are some common applications for the TEA1761T/N2/DG118? Common applications include consumer electronics, power adapters, industrial power supplies, automotive power systems, and renewable energy systems.
- Does the TEA1761T/N2/DG118 have built-in protection features? Yes, it includes overcurrent protection and undervoltage lockout.
- Where can I find detailed specifications for the TEA1761T/N2/DG118? Detailed specifications can be found in the datasheet available on NXP's official website or through authorized distributors.
