KA3845 Datasheet Currentmode Pwm Controller

Manufacturer: Unknown Manufacturer

Overview: KA3842/43/44/45 Inv № 59 Current Mode PWM Controller July 1995 - revised July.

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

Datasheet Details

Part number	KA3845
Manufacturer	Unknown Manufacturer
File Size	554.13 KB
Description	CurrentMode PWM Controller
Datasheet	KA3845 KA3842 Datasheet (PDF)

General Description

KA3842/43/44/45 are fixed frequency current mode PWM controller.

They are specially designed for OFF−Line and DC to DC converter 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.

Key Features

Low Start-Up and Operating Current.
High Current Totem Pole Output.
Undervoltage Lockout With Hysteresis.
Operating Frequency Up To 300KHz (384XA) 500KHz (384XAM) BLOCK.

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