KA3842 Datasheet - ETC

KA3842, CurrentMode PWM Controller

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.

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KA3842-ETC.pdf

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Datasheet Details

Part number:

KA3842

Manufacturer:

ETC

File Size:

554.13 KB

Description:

CurrentMode PWM Controller

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

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

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KA3842 CurrentMode PWM Controller ETC

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