UCC2801QDRQ1 Integrated Circuits (ICs)

Frequency - Switching:	46kHz
Base Part Number:	UCC2801
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Frequency Control
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	No
Duty Cycle (Max):	49%
Series:	Automotive, AEC-Q100
Voltage - Supply (Vcc/Vdd):	7.4 V ~ 12 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:	Tape & Reel (TR)

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UCC2801QDRQ1 Application Field and Working Principle

The UCC2801QDRQ1 Voltage-Mode Resonant Controller from Texas Instruments is designed to operate at full range of the frequency spectrum through the use of a precision On-Time control. The oscillator control block in the UCC2801QDRQ1 provides full range frequency control through a single resistor and two capacitors. This device can be used to reduce the overall cost and power in a variety of power management applications.The UCC2801QDRQ1 can be used in either a voltage-mode or current-mode power supply design. In voltage-mode, the resonant tank is designed to provide a constant voltage, while the current-mode design provides a constant current to the load. The UCC2801QDRQ1 is also capable of driving the power MOSFET load in one Direction or split direction, allowing for more precise output regulation and improved overall efficiency. The UCC2801QDRQ1 can be used in a variety of applications ranging from TVs and DVD players all the way up to servers and mainframe computers. It can be used to provide both localized and global load current sharing, allowing for more precise load current management. This device can also be used in digital audio applications and can also be used as a PFC controller. As a result, the UCC2801QDRQ1 is well suited for operation in high-temperature environments and can operate over a wide range of loads. The UCC2801QDRQ1 has several features designed to make the controller easier to use and reliable. One of these features is the internal under voltage lockout (UVLO) protection. This provides an internal circuit which prevents the controller from supplying power when the input voltage falls below a certain level. This prevents damage to the controller, as well as any connected components, should the input voltage be too low. The UCC2801QDRQ1 also has a power-up and power-down sequence which allows for more consistent operation. This allows the controller to start up without causing any sudden spikes in current or voltage, which can help protect connected components from damage. Finally, the UCC2801QDRQ1 also has several thermal protection features which allow the controller to shut down should it experience excessive temperatures. Overall, the UCC2801QDRQ1 is an ideal voltage-mode resonant controller, offering a wide variety of features, reliable protection, and a reasonable economic trade-off. This device can be used in a wide range of power management applications, from TVs and DVD players to servers and mainframe computers. Its flexibility and wide range of features make it ideal for a number of applications.

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