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KA3885

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: 22VSpecifications Parameter Symbol Value Unit Sup...

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SeekIC No. : 004383704 Detail

KA3885: 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 T...

KA3885 Data Sheet

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Part Number:
KA3885
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/5/14

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Product Details

Description



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


Specifications

Parameter Symbol Value Unit
Supply voltage VCC 30 V
Output current IO +1 A
Analog inputs (pin2, 3) VI(ANA) -0.3 to 6.3 V
Error amp. output sink current ISINK(EA) 10 mA
Power dissipation PD 1 W



Description

The 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 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.




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