Datasheet

www.ti.com

Description

2.1 Applications

The UCC24610 is suited for use in isolated off-line systems requiring high efficiency and advanced fault

protection features including:

• 5-V AC-to-DC Adaptors

• Housekeeping and Auxiliary 5-V Bias Supplies

• Low-Voltage Rectification Circuits

2.2 Features

The UCC24610EVM-563 features include:

• Isolated 5-V, 25-W Output

• Universal Off-Line Input Voltage Range

• Exceeds Energy Star™ EPS Version 2.0 Requirements (for active load efficiency and no-load power

consumption for low voltage external power supplies)

• Cascoded Configuration on Primary Side (allows fully integrated current control without an external

sense resistor)

• Multiple Operating Modes (for optimum efficiency over entire operating range)

• Automatic Light-Load Management

• Output Short-Circuit Protection

• Improved Efficiency Over Traditional Output Diode Applications

CAUTION

High voltage levels are present on the evaluation module whenever it is

energized. Proper precautions must be taken when working with the EVM. The

large bulk capacitor, C5, must be completely discharged before the EVM can

be handled. Serious injury can occur if proper safety precautions are not

followed.

SLUU434–August 2010 5-V, 25-W Flyback Converter With Secondary-Side Synchronous Rectification