HY3843 Datasheet PDF – PWM controller

Part Number: HY3843

Function: Fixed Frequency Current Mode PWM Controller.

Pakcage : DIP, SOP 8 Pin

Manufacturer: Hooyi Semiconductor ( http://www.hooyi-semi.com )


HY3843 datasheet



The HY3842D-N / 3843D-N / 3844D-N / 3845D-N, are fixed frequency current mode PWM controller. Theyare speciallydesigned for OFF−Line and DC to DC converter applications with a minimal externalcomponents. Internallyimplemented 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 totem pole output ideally  suited for driving a power MOSFET. Protection circuitry includes built under  voltage lockout and current limiting.


• Low Start-Up and Operating Current

• High Current Totem Pole Output

• Under voltage Lockout With Hysteresis

• Operating Frequency Up To 500KHz


Other data sheets are available within the file:

3843D-N, 3844D-N, 3845D-N, HY3842, HY3842D-N

HY3843 Datasheet PDF Download

HY3843 pdf

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