HomedatasheetUC3846QTR

UC3846QTR Datasheet

Current Mode PWM Controllers
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Description

The UC3846QTR /7 family of control ICs provides all of the necessary features to implement fixed frequency, current mode control schemes while maintaining a minimum external parts count. The superior performance of this technique can be measured in improved line regulation, enhanced load response characteristics, and a simpler, easier-to-design control loop. Topological advantages include inherent pulse-by-pulse current limiting capability, automatic symmetry correction for push-pull converters, and the ability to parallel “power modules" while maintaining equal current sharing. UC3846QTR Features • Automatic Feed Forward Compensation• Programmable Pulse-by-Pulse Current Limiting• Automatic Symmetry Correction in Push-pull Configuration• Enhanced Load Response Characteristics• Parallel Operation Capability for Modular Power Systems• Differential Current Sense Amplifier with Wide Common Mode Range• Double Pulse Suppression
Features

Parameters

[{"Name":"Switching Frequency ","Value":"500 kHz "},{"Name":"Rise Time ","Value":"50 ns"},{"Name":"Fall Time ","Value":"50 ns"},{"Name":"Number of Outputs ","Value":"2"},{"Name":"Maximum Operating Temperature ","Value":"+ 70 C"},{"Name":"Mounting Style ","Value":"SMD/SMT"},{"Name":"Package / Case","Value":"PLCC-20 "}]

Manufacturer information

DIODES INCORPORATED

Diodes Incorporated is a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete, logic, analog and mixed-signal semiconductor markets. Diodes serves the consumer electronics, computing, communications, industrial, and automotive markets.
Diodes’ products include diodes, rectifiers, transistors, MOSFETs, protection devices, function-specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers.
Diodes’ corporate headquarters and Americas’ sales office are located in Plano, Texas and Milpitas, California. Design, marketing, and engineering centers are located in Plano; Milpitas; Taipei, Taiwan; Taoyuan City, Taiwan; Zhubei City, Taiwan; Manchester, England; and Neuhaus, Germany. Diodes’ wafer fabrication facilities are located in Manchester and Shanghai, China. Diodes has assembly and test facilities located in Shanghai, Jinan, Chengdu, and Yangzhou, China, as well as in Hong Kong, Neuhaus and Taipei. Additional engineering, sales, warehouse, and logistics offices are located in Taipei; Hong Kong; Manchester; Shanghai; Shenzhen, China; Seongnam-si, South Korea; and Munich, Germany, with support offices throughout the world.

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