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KA3843AC

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: 22VSpecifications...

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SeekIC No. : 004383699 Detail

KA3843AC: 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 t...

KA3843AC Data Sheet

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Part Number:
KA3843AC
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: 2024/11/23

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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 totem-pole 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
A
Error Amp. Output Sink Current
ISINK(EA)
10
mA
Power Dissipation
PD
1
W



Description

The KA3843AC 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 totem-pole output for driving a POWER MOSFET. Also KA3843AC provide low start up current below 0.3mA and short shutdown delay time typ. 100ns. The KA3843AC is 8.4V(on) and 7.6V(off). The KA3843AC can operate within 100% duty cycle.




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