UCC38083PWG4

Voltage - Supply (Vcc/Vdd):	8.3 V ~ 15 V
Base Part Number:	UCC38083
Supplier Device Package:	8-TSSOP
Package / Case:	8-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	0°C ~ 70°C (TA)
Control Features:	Frequency Control
Fault Protection:	Current Limiting
Frequency - Switching:	50kHz ~ 1MHz
Duty Cycle:	49%
Series:	--
Voltage - Start Up:	12.5V
Topology:	Push-Pull
Voltage - Breakdown:	--
Internal Switch(s):	No
Output Isolation:	Isolated
Part Status:	Obsolete
Packaging:	Tube

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UCC38083PWG4 Application Field and Working PrincipleThe UCC38083PWG4 is an offline power switch from Texas Instruments. It is designed for powering systems from an AC line voltage sourced from a standard outlet. These applications include offline switch mode power supplies, converters, appliances, and whitegoods. The UCC38083PWG4 is optimized for cost, size, and quality with its low cost design and high efficiency.The key feature of the UCC38083PWG4 is its ability to switch the input voltage from AC to DC. It uses a full bridge topology that allows an AC voltage from any standard wall outlet to be converted to a DC output voltage. The device offers source detection, soft start, and over-current protection features to safely power a system. It also has load disconnect protection with a programmable peak watt protection feature.The UCC38083PWG4 is a half-bridge driver that can control any N-channel MOSFET in a full-bridge configuration. It is designed for a wide range of input voltages from 90Vac to 265Vac. The device can also operate over a wide temperature range from -40°C to +125°C.The UCC38083PWG4 contains two power switches and is designed to work with a majority of MOSFETs. It uses a high frequency oscillator to activate the input voltage and can switch the voltage in either direction. The switching waveform is generated by the oscillator and is modulated via the PWM input. This oscillator can be turned on and off via a signal provided by an external controller. The UCC38083PWG4 can provide a low level output voltage, such as 12V/24V, with a high power efficiency up to 98%. It has a peak wattage protection feature that enables it to monitor the amount of power used by the system and will shut down if the power exceeds a certain threshold. The device is also able to detect a blown fuse and provide a notification signal to the external controller. The UCC38083PWG4 is an ideal solution for offline AC to DC converters, appliances, and whitegoods as it offers a low cost, high performance, and reliable design. Its high efficiency and low-level output voltage make it suitable for systems with a wide range of input voltage requirements. With its over-current and peak watt protection, the device is able to protect your system against power surges and low-power conditions. By offering source detection, soft-start, and load disconnect features, the device ensures your system is safe and reliable at all times.

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