UC2842 fixed frequency current mode PWM controller

Description

UMW R UMW UC2842/43/44/45 .
The 2842/43/44/45 are fixed frequency current mode PWM controller. Line and DC to DC converter applicatio.

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Datasheet Specifications

Part number: UC2842
Manufacturer: UMW
File Size: 881.53 KB
Datasheet: UC2842-UMW.pdf
Description: fixed frequency current mode PWM controller

Features

* Pin Connection
* Low Start-Up and Operating Current
* High Current Totem Pole Output
* Undervoltage Lockout With Hysteresis
* Operating Frequency Up To 500KHz Block diagram (toggle flip flop used only in 2844, 2845) V Top view R T Absolute Maximum Ratings Symb

Applications

* with a minimal external components. Internally implemented circuits include a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totempole output ideally suited for driving a power MOSFET.

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UC2842 fixed frequency current mode PWM controller UMW

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