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KA3844, KA3842 CurrentMode PWM Controller

KA3844 Description

KA3842/43/44/45 Inv № 59 Current Mode PWM Controller July 1995 - revised July 2002 .
KA3842/43/44/45 are fixed frequency current mode PWM controller. Line and DC to DC converter applications.

KA3844 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 DIAGRAM (toggle flip flop used only in UC3844, UC3845) PIN CONNECTION (TOP VIEW) Absolute

KA3844 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 MOSFE

📥 Download Datasheet

This datasheet PDF includes multiple part numbers: KA3844, KA3842. Please refer to the document for exact specifications by model.
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Datasheet Details

Part number
KA3844, KA3842
Manufacturer
ETC
File Size
554.13 KB
Datasheet
KA3842-ETC.pdf
Description
CurrentMode PWM Controller
Note
This datasheet PDF includes multiple part numbers: KA3844, KA3842.
Please refer to the document for exact specifications by model.

📁 Related Datasheet

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  • KA3842AE - SMPS Controller (Fairchild Semiconductor)
  • KA3842AM - PWM CONTROLLER (Wing Shing Computer Components)
  • KA3842B - SMPS Controller (Fairchild)
  • KA3843A - Current Mode PWM Controller (Wing Shing)
  • KA3843AC - SMPS Controller (Fairchild Semiconductor)

📌 All Tags

CurrentMode PWM Controller ETC
ETC KA3844-like datasheet