KA3882D ,Current mode PWM controllerELECTRICAL CHARACTERISTICS(V = 15V, R = 10K‘, C = 3.3nF, T = 0˛to + 85˛, Unless otherwise specified ..
KA3882ED ,SMPS ControllerElectrical Characteristics(V = 15V, R = 10kΩ , C = 3.3nF, T = 0°C to +70°C, Unless otherwise specif ..
KA3883 ,SMPS CONTROLLERFEATURES• Low Start Current 0.2mA (typ)• Operating Range Up To 500KHz• Cycle by Cycle Current Lim ..
KA3883 C ,SMPS ControllerElectrical Characteristics(V = 15V, R = 10kΩ , C = 3.3nF, T = 0°C to +70°C ,Unless otherwise specif ..
KA3883C ,SMPS ControllerKA3882C/KA3883CSMPS Controller
KA3883CD ,SMPS Controllerapplications. The internal • Cycle by Cycle Current Limiting circuits inc ..
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KA3882D
Current mode PWM controller
KA3882/3/4/5 SMPS CONTROLLER
CURRENT MODE PWM CONTROLLERThe KA3882/3/4/5 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 totempole output for driving a POWER MOSFET. Also KA
3882/3/4/5 provide low start up current below 0.3mA and short
shutdown delay time typ. 100ns.
The KA3882 and KA3884 have UVLO threshold of 1 6V(on) and 8 SOP
10V(off).
The KA3883 and KA3885 are 8.4V(on) and 7.6V(off).
The KA3882 and KA3883 can operate within 100% duty cycle.
The KA3884 and KA3885 within 50% by using T Flip-Flop.
FEATURES Low Start Current 0.2mA (typ) Operating Range Up To 500KHz
• Cycle by Cycle Current Limiting
ORDERING INFORMATION Under Voltage Lock Out With Hysteresis Short Shutdown Delay Time: typ.100ns High Current Totempole Output Output Swing Limiting: 22V
BLOCK DIAGRAM©1999
Rev. B
