The recommended input capacitor value is 10uF to 22uF, with a voltage rating of 25V or higher, to ensure stable operation and minimize input ripple.
To ensure the UC3638N operates within its SOA, ensure the input voltage is within the recommended range (7V to 18V), the output current is within the recommended range (up to 3A), and the junction temperature is below 125°C.
The EN pin is used to enable or disable the UC3638N. When the EN pin is high, the device is enabled, and when it is low, the device is disabled. This pin can be used to implement power-saving modes or to shut down the device when not in use.
The output voltage of the UC3638N can be calculated using the formula: Vout = (R1 / R2) * (Vin - Vref), where R1 and R2 are the feedback resistors, Vin is the input voltage, and Vref is the reference voltage (typically 2.5V).
The maximum output current of the UC3638N is 3A. However, the actual output current may be limited by the input voltage, output voltage, and thermal considerations.
Trust Checks
This model has been provided by an expert contributor.
Expert Contribution
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
UC3638N Overview
Use the download button to access the UC3638N schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like UC363,
or try a keyword search, such as Motion Control Electronics
About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
