UCC2802PW

Duty Cycle:	99%
Base Part Number:	UCC2802
Mounting Type:	Surface Mount
Supplier Device Package:	8-TSSOP
Package / Case:	8-TSSOP (0.173", 4.40mm 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:	Tube

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PMIC - AC DC Converters, Offline Switchers The UCC2802PW is AC-DC power-conversion IC for offline switching applications. Developed for use in power supplies for end products, the UCC2802PW enables design flexibility required for cost-effective solutions for most of the world’s leading electronics manufacturers. The UCC2802PW is a highly integrated mains power supply circuit optimized for low cost mains systems.The UCC2802PW integrates a high voltage switching MOSFET, a power transformer, dual primary windings, and a reset circuit. Additionally, the part features adjustable line under-voltage lockout (UVLO), output voltage adjustable, current limit circuit, and surge current handling capability. In addition, the UCC2802PW features emergency over-voltage protection (OVP), under-voltage lockout (UVLO) and thermal protection.The UCC2802PW extends the efficiency of AC-DC conversion systems by providing smaller footprint and higher power density. This device also provides increased safety protection and improved efficiency. The UCC2802PW is well suited for a variety of applications including buck converters, boost converters, and LED lighting.The UCC2802PW’s power-management functions are integrated into the system, which reduces the need for external components and improves system reliability. The integrated MOSFET start-up circuit allows for fast switching times and reduced power losses. The adjustable UVLO, current limit circuit, output voltage, and over-voltage protection enhance the power-management capabilities of the device. Additionally, adjustable line level UVLO, adjustable flyback overload protection, and surge current handling capabilities provide improved system reliability and safety.The device’s high switching frequency architecture provides significant improvements in size, cost, and efficiency of the system. The output voltage is preset to a specific operating voltage, making the device ideal for cost-sensitive applications. The integrated on-chip power MOSFET enables operation at high frequency, allowing the designer to optimize power density, size, and cost.The high speed switching and fast response time, as well as its wide input voltage range make the UCC2802PW an ideal solution for universal charging of portable AC/DC power supplies. The adjustable line undervoltage lockout, output voltage and current limit integrated circuits further enhance the system efficiency and reduce component count in end products.The UCC2802PW is easy to use, easy to integrate, and cost-effective. It provides all the necessary power functions for small form factor, cost conscious products. This makes the device ideally suited for use in applications such as PDAs, networking products, portable and device chargers, and TV sets.

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