KA3882 - Fairchild

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

KA3882
Manufacturer

Fairchild
ChipWorker Part#

CW403555309
RoHS

Lead free / RoHS Compliant
Description

Current mode PWM controller
Documentation

Datasheet

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KA3882 Specifications

Attribute	Attribute Value

Part Number	KA3882
Manufacturer	Fairchild
ChipWorker Part#	CW403555309
Documentation	Datasheet
Case/Package	DIP
	expand all
Product Lifecycle Status	Unknown
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

CURRENT MODE PWM CONTROLLER
The KA3882/3/4/5 are fixed PWM controllerfor 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 KA3882/3/4/5 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
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
• Under Voltage Lock Out With Hysteresis
• Short Shutdown Delay Time: typ.100ns
• High Current Totempole Output
• Output Swing Limiting: 22V

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Ordering Information

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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
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- Surface testing

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