KA3843 - CurrentMode PWM Controller
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 compe
KA3843 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
