UCC3305DWTR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	HID Lamp Controller
Frequency:	80kHz ~ 120kHz
Voltage - Supply:	5 V ~ 18 V
Current - Supply:	100µA
Current - Output Source/Sink:	--
Dimming:	No
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	28-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	28-SOIC
Base Part Number:	UCC3305

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UCC3305DWTR application field and working principle

UCC3305DWTR is a high-performance product manufactured by Texas Instruments, serving as part of the company’s PMIC(Power Management Integrated Circuit) family. It is primarily used in lighting, ballast controllers, providing an end-to-end solution to assure efficient, reliable operation.UCC3305DWTR integrates three individual functions into a single IC, enabling a lighting system to be controlled by a single controller. These functions include an N-channel protected MOSFET, a current-mode PWM (pulse-width modulation) controller and LED dimming control. The IC can be used in an SELV (safe extra-low voltage) or PRM (phase-cut rectifier module) power factor correction circuit, to provide EMI (electromagnetic interference) mitigation and improved power factor. UCC3305DWTR also features under-voltage lockout (UVLO) protection, which disables the circuit if the input voltage goes below the preset minimum level. The primary application of the UCC3305DWTR is ballast control and LED lighting. The working principle of this IC is based on the N-channel protected MOSFET and the current mode PWM controller. The N-channel protected MOSFET allows for improved power factor and EMI mitigation, while the PWM controller provides an adjustable, efficient output current. The LED dimming control feature allows for precise adjustment of the LED dimming current, providing a simple solution for dimming the LED lighting.In summary, the UCC3305DWTR is a highly efficient, reliable IC manufactured by Texas Instruments, designed for use in ballast controllers and LED lighting systems. It integrates three individual functions, including an N-channel protected MOSFET, a current-mode PWM controller, and LED dimming control, providing an end-to-end solution for improved operation. The IC also features under-voltage lockout protection for improved safety, ensuring that the circuit is disabled if the input voltage crosses a predetermined threshold.

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