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KA3843AM Datasheet Current Mode Pwm Controller

Manufacturer: Wing Shing

Overview: .. Current Mode PWM Controller KA3843A(AM).

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The KA3843AM are fixed frequency current mode PWM controller.

They are specially designed for OFF−Line and DC to DC converter applications with a minimal external ponents.

Internally implemented circuits include a trimmed oscillator for precise duty cycle control, a temperature pensated reference, high gain error amplifier, current sensing parator, and a high current totempole output ideally suited for driving a power MOSFET.

Key Features

  • Low Start-Up and Operating Current High Current Totem Pole Output Undervoltage Lockout With Hysteresis Operating Frequency Up To 500KHz BLOCK.

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