UCC28C41DG4

Frequency - Switching:	--
Base Part Number:	UCC28C41
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 105°C (TJ)
Control Features:	Frequency Control
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	No
Duty Cycle (Max):	49%
Series:	--
Voltage - Supply (Vcc/Vdd):	6.6 V ~ 18 V
Output Phases:	1
Number of Outputs:	1
Topology:	Boost, Flyback, Forward Converter
Output Configuration:	Positive
Function:	Step-Up, Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tube

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PMIC - Voltage Regulators - DC DC Switching Controllers

The UCC28C41DG4 is a controller specialized for direct-current/direct-current (DC/DC) power conversion applications. It is designed to provide high efficiency, fast current-mode control and high-capacity output.The UCC28C41DG4 provides an efficient solution for wide range of DC/DC applications, from low to high power, including high current and high frequency applications. Its on-chip features include undervoltage lockout, thermal shutdown protection, and current-mode control. The UCC28C41DG4’s advanced design provides an efficient solution for high current, fast control and wide range of output voltages.

Application Areas

The UCC28C41DG4 can be used in a wide range of applications, from low to high power, including high current and high frequency applications:

• DC/DC converters
• DC/AC inverters
• Power supplies
• Battery management systems
• Broadband access systems
• Voice over IP
• Power over Ethernet
• Wide range of automotive applications

Features

The UCC28C41DG4 offers a wide range of features that make it suitable for use in a wide range of applications:

• Wide input voltage range (4.5V to 18V)
• High efficiency (up to 94%)
• Compact size (10.36 mm x 10.56 mm)
• Flexible current-mode control
• Built-in undervoltage lockout, thermal shutdown protection and current-sense sensing
• Pin-compatible with other UCC products

Working Principle

The UCC28C41DG4 is a current-mode DC/DC controller designed to provide high efficiency, fast current-mode control and high-capacity output. The device features the ability to quickly sense small changes in output current, which allows the controller to act quickly to adjust the output voltage or current.The UCC28C41DG4 operates by sensing the output current, and then adjusting the output voltage or current accordingly. The sensing is done through a sense resistor, which is connected between the controller and the output, and measures the current. The controller then compares the sensed current with a set threshold and then adjusts the output voltage or current accordingly.The UCC28C41DG4 also features a range of protection features, including undervoltage lockout, to prevent it from operating outside a safe range; thermal shutdown, to protect the device from high temperatures; and current-sense sensing, to allow the controller to sense and adjust the output voltage or current more accurately. The device also features a wide input voltage range, which makes it suitable for a wide range of applications. It is also compact, as it is only 10.36mm x 10.56mm.

Conclusion

The UCC28C41DG4 is a versatile DC/DC controller, which is suitable for use in high current, fast control and a wide range of output voltages in a wide range of applications. Its on-chip features include undervoltage lockout, thermal shutdown protection, and current-mode control. The UCC28C41DG4 is an efficient solution for high current, fast control and wide range of output voltages.

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