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UC3842A Datasheet (PDF) - ON Semiconductor

UC3842A Datasheet PDF - ON Semiconductor
Part # UC3842A
Download  UC3842A Download

File Size   399.67 Kbytes
Page   14 Pages
Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor
Description HIGH PERFORMANCE CURRENT MODE CONTROLLERS

UC3842A Datasheet (PDF)

Go To PDF Page Download Datasheet
UC3842A Datasheet PDF - ON Semiconductor

Part # UC3842A
Download  UC3842A Click to download

File Size   399.67 Kbytes
Page   14 Pages
Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor
Description HIGH PERFORMANCE CURRENT MODE CONTROLLERS

UC3842A Datasheet (HTML) - ON Semiconductor

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UC3842A Product details

The UC3842A, UC3843A series of high performance fixed frequency current mode controllers are specifically designed for off−line and DC−to−DC converter applications offering the designer a cost effective solution with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.
Also included are protective features consisting of input and reference undervoltage lockouts each with hysteresis, cycle−by−cycle current limiting, programmable output deadtime, and a latch for single pulse metering.
These devices are available in an 8−pin dual−in−line plastic package as well as the 14−pin plastic surface mount (SOIC−14). The SOIC−14 package has separate power and ground pins for the totem pole output stage.
The UCX842A has UYLO thresholds of 16 V (on) and 10 V (off), ideally suited for off−line converters. The UCX843A is tailored for lower voltage applications having UVLO thresholds of 8.5 V (on) and 7.6 V (off).

Features
• Trimmed Oscillator Discharge Current for Precise Duty Cycle Control
• Current Mode Operation to 500 kHz
• Automatic Feed Forward Compensation
• Latching PWM for Cycle−By−Cycle Current Limiting
• Internally Trimmed Reference with Undervoltage Lockout
• High Current Totem Pole Output
• Undervoltage Lockout with Hysteresis
• Low Startup and Operating Current
• Direct Interface with ON Semiconductor SENSEFET™ Products
• Pb−Free Packages are Available




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About ON Semiconductor


ON Semiconductor is a publicly traded company that designs, develops, and manufactures a wide range of semiconductor products for various applications, including automotive, computing, consumer, industrial, and communications markets.
The company was founded in 1999 and is headquartered in Phoenix, Arizona.
ON Semiconductor offers a broad portfolio of power management, analog, and discrete semiconductors, including power MOSFETs, diodes, rectifiers, and voltage regulators, among others.
The company's products are designed to be energy efficient, reliable, and cost-effective, and are used in a variety of applications, including portable electronics, industrial automation systems, renewable energy systems, and automotive electronics.
ON Semiconductor is dedicated to innovation and customer satisfaction, and is committed to providing its customers with the best semiconductor solutions to meet their needs.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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