UC2524ADWTR Integrated Circuits (ICs)

Frequency - Switching:	500kHz
Base Part Number:	UC2524A
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Frequency Control
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	No
Duty Cycle (Max):	45%
Series:	--
Voltage - Supply (Vcc/Vdd):	8 V ~ 40 V
Output Phases:	1
Number of Outputs:	2
Topology:	Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull
Output Configuration:	Positive
Function:	Step-Up, Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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UC2524ADWTR Application Field and Working Principle

UC2524ADWTR is a DC-DC switching controller intended for control and regulation of insulated, step-down dc-dc converter applications. It is designed to provide complete regulation of the output voltage across a wide range of conditions including line and loading variations. In addition, it is also designed to minimize line and load losses.

Applications

UC2524ADWTR can be used in many applications, including:

• Home appliances such as microwaves, washing machines, refrigerators, etc.
• Industrial equipment including automation and robotic systems.
• Power supplies for communication systems, computers and consumer electronics.
• DC motor drives and servo systems.
• Automotive applications.

Working Principle

The UC2524ADWTR is a fixed frequency current mode control DC-DC switching controller IC. It provides a constant frequency continuous conduction mode (CCM), current-mode based switching regulator, with an input voltage range of 8V to 40V and an output current range up to 10A.The UC2524ADWTR provides an input terminal for a reference voltage to set the output voltage, and an adjustable oscillator for setting the switching frequency. It has an external PWM signal input so it can be synchronized with external clock sources.The UC2524ADWTR also includes other features to increase the stability and accuracy of the output voltage. It has an output voltage feedback loop to regulate the output voltage and a soft start function to control the power-up times.The UC2524ADWTR also incorporates several protection features such as short circuit protection, over current protection, under voltage lockout and over voltage protection. These features prevent damage to the controller.

Conclusion

UC2524ADWTR is a powerful and advanced DC-DC switching controller IC designed for isolated, step-down dc-dc converter applications. It provides complete regulation and protection of the output voltage across a wide range of conditions including line and loading variations. It also features a range of protection and control features for stable, accurate operation as well as a range of external signals for greater flexibility.

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