HomedatasheetUC2842AN

UC2842AN Datasheet

Current Mode PWM Controllers
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Description

The UC2842AN , 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. UC2842AN 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 Motorola SENSEFET Products
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":"1"},{"Name":"Maximum Operating Temperature ","Value":"+ 85 C "},{"Name":"Mounting Style","Value":"Through Hole "},{"Name":"Package / Case ","Value":"PDIP-8 "}]

Manufacturer information

FAIRCHILD SEMICONDUCTOR

Fairchild has a rich history as a pioneer in the semiconductor industry and that pioneering spirit endures today. In an era where diversity can dilute focus and hamper innovation, we specialize in the development and manufacturing of a complete portfolio of low- to high-power solutions for the mobile, industrial, cloud, automotive, lighting, and computing industries. Fairchild is one of the most reliable partners in the industry, offering the shortest time from concept to silicon, expert FAEs for customer support, and a flexible, multi-source supply chain. Our vision is clear – anticipate the power efficiencies demanded by tomorrow’s electronic products and deliver an amazing design experience

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