UCC2802QDREP

Duty Cycle:	99%
Base Part Number:	UCC2802
Mounting Type:	Surface Mount
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Frequency Control
Fault Protection:	Current Limiting
Frequency - Switching:	Up to 1MHz
Series:	--
Voltage - Supply (Vcc/Vdd):	8.3 V ~ 12 V
Voltage - Start Up:	12.5V
Topology:	Boost, Flyback, Forward
Voltage - Breakdown:	--
Internal Switch(s):	No
Output Isolation:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - AC DC Converters, Offline Switchers

UCC2802QDREP is a monolithic boost controller IC designed to address the requirements of compact, low-power flyback converters. It integrates high-side and low-side FET drivers, a SMBus interface, and a logic interface, as well as a high-speed PWM controller optimized for high efficiency. UCC2802QDREP features an internal temperature sensor that provides temperature-based regulation of output voltages, which can improve system reliability in harsh operating environments.The flyback topology is a very popular switch mode power supply used in many low to medium power applications. The advantage of the flyback topology is that it only requires two active components, the main switch (MOSFET) and the rectifier diode. Flyback topologies are also easy to design and traditionally don’t require complex circuitry.UCC2802QDREP’s working principle is based on a set of rules specific to the design of flyback converters. Depending on the application, the UCC2802QDREP can be used to independently adjust the voltage levels of its outputs while providing a fast transient response and silent operation. The input levels may also be adjusted using internal compensation techniques, allowing the power supply to maintain good efficiency even at light loads.In applications where short-term energy bursts are required, such as the charging of Li-ion or Li-polymer batteries, UCC2802QDREP can deliver up to 30W of power for up to 500ms, ensuring a reliable current is delivered every time. In addition, UCC2802QDREP can provide a low-cost and efficient boost converter solution for applications where the supply voltage is low and output voltages need to be increased. The MOSFET drivers are also exceptionally accurate, ensuring that the circuit remains stable even when switching rapidly between high and low power states.The UCC2802QDREP is an ideal solution for harsh operating environments. It features rugged construction, low power consumption, fast switching frequency, and a wide common-mode operating range. In addition, its SMBus interface simplifies integration and enables flexible system configurations, while its low input voltage capability ensures operation with low noise and low power consumption. In conclusion, UCC2802QDREP is an ideal solution for AC to DC power conversions, including applications in industrial and consumer settings. It features fast transient response, low power consumption, wide common-mode operating range, rugged construction, and low input voltage capability. Its SMBus interface also simplifies integration and provides for flexible system configurations, offering designers an easy to use solution that efficiently meets their performance and budgetary needs.

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