Overview
The TEA1761T/N2/DG,118 is a Synchronous Rectifier (SR) Controller IC developed by NXP USA Inc. It is part of the GreenChip family, designed for use in switched mode power supplies, particularly in discontinuous conduction mode and quasi-resonant flyback converters. This controller integrates high-level functionality, enabling the design of cost-effective power supplies with a minimal number of external components. The TEA1761T is fabricated using a Silicon On Insulator (SOI) process, which allows for a wide range of operational capabilities.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 8.6 V to 38 V | V |
| Operating Temperature Range | -20°C to 150°C | °C |
| Package Type | 8-SOIC (0.154", 3.90mm Width) | |
| Mounting Type | Surface Mount | |
| Supply Current | 1 mA | mA |
| Opto Coupler Output Voltage Range | 3.5 V to 38 V | V |
| Driver Output Voltage | 10 V | V |
Key Features
- Combined synchronous rectification and primary feedback control functionality
- High level of integration, resulting in a very low external component count
- Wide supply voltage range (8.6 V to 38 V)
- Accurate internal voltage reference for voltage control (within 1%)
- High driver output voltage of 10 V to drive all MOSFET brands to the lowest RDSon
- Low current consumption and high system efficiency from no load to full load
- Undervoltage protection and internal over-temperature protection
Applications
The TEA1761T/N2/DG,118 is primarily intended for use in adapters and other discontinuous conduction mode and quasi-resonant flyback systems. It is suitable for any application that requires a highly efficient and cost-effective power supply solution.
Q & A
- What is the primary function of the TEA1761T/N2/DG,118?
The primary function is to control synchronous rectification on the secondary side of discontinuous conduction mode and quasi-resonant flyback converters.
- What is the supply voltage range for the TEA1761T/N2/DG,118?
The supply voltage range is from 8.6 V to 38 V.
- What type of package does the TEA1761T/N2/DG,118 come in?
The IC comes in an 8-SOIC package with a width of 3.90 mm.
- What is the operating temperature range for the TEA1761T/N2/DG,118?
The operating temperature range is from -20°C to 150°C.
- Does the TEA1761T/N2/DG,118 have built-in protection features?
Yes, it includes undervoltage protection and internal over-temperature protection.
- What is the typical supply current for the TEA1761T/N2/DG,118?
The typical supply current is 1 mA.
- What is the driver output voltage of the TEA1761T/N2/DG,118?
The driver output voltage is up to 10 V.
- Is the TEA1761T/N2/DG,118 suitable for surface mounting?
Yes, it is designed for surface mounting.
- What are some key applications for the TEA1761T/N2/DG,118?
It is used in adapters and other discontinuous conduction mode and quasi-resonant flyback systems.
- What fabrication process is used for the TEA1761T/N2/DG,118?
The IC is fabricated using a Silicon On Insulator (SOI) process.
