KA3843AC Datasheet - Fairchild Semiconductor

SMPS Controller

KA3843AC Features

* Low start current 0.2mA (typ) Operating range up to 500kHz Cycle by cycle current limiting Under voltage lock out with hysteresis Short shutdown delay time: typ.100ns High current totem-pole output Output swing limiting: 22V Desc

KA3843AC General Description

The KA3843AC are fixed PWM controller for Off-Line and DC to DC converter applications. The internal circuits include UVLO, low start up current circuit, temperature compensated reference, high gain error amplifier, current sensing comparator, and high current totem-pole output for driving a POWER M.

KA3843AC Datasheet (83.21 KB)

KA3843AC Datasheet Preview — Preview of KA3843AC PDF

Datasheet Details

Part number:

KA3843AC

Manufacturer:

Fairchild Semiconductor

File Size:

83.21 KB

Description:

Smps controller.

📁 Related Datasheet

KA3843A Current Mode PWM Controller (Wing Shing)

KA3843AM Current Mode PWM Controller (Wing Shing)

KA3843 CurrentMode PWM Controller (ETC)

KA3843B SMPS Controller (Fairchild)

KA3842 CurrentMode PWM Controller (ETC)

KA3842A PWM CONTROLLER (Wing Shing Computer Components)

KA3842AC SMPS Controller (Fairchild Semiconductor)

KA3842AE SMPS Controller (Fairchild Semiconductor)

KA3842AM PWM CONTROLLER (Wing Shing Computer Components)

KA3842B SMPS Controller (Fairchild)

TAGS

KA3843AC SMPS Controller Fairchild Semiconductor

Image Gallery

KA3843AC Features

KA3843AC General Description

Datasheet Details

File Size:

Description:

KA3843AC Distributor