Description
The KA3882C/KA3883C is a fixed PWM controller for Off Line and DC to DC converter applications. The internal circuits include an UVLO, a low start up current circuit, a temperature compensated reference, a high gain error amplifier, a current sensing comparator, and the high current totem-pole output for driving a POWER MOSFET.
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