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KA3S1265RF

Features: • Wide operatimg frequency range up to (150kHz)• Pulse by pulse over current limiting• Over load protection• Over voltage protecton (Min. 23V)• Internal thermal shutdown function• Under voltage lockout• Internal high voltage sense FET• Exte...

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SeekIC No. : 004383714 Detail

KA3S1265RF: Features: • Wide operatimg frequency range up to (150kHz)• Pulse by pulse over current limiting• Over load protection• Over voltage protecton (Min. 23V)• Internal therm...

KA3S1265RF Data Sheet

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Part Number:
KA3S1265RF
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: 2024/12/24

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Product Details

Description



Features:

• Wide operatimg frequency range up to (150kHz)
• Pulse by pulse over current limiting
• Over load protection
• Over voltage protecton (Min. 23V)
• Internal thermal shutdown function
• Under voltage lockout
• Internal high voltage sense FET
• External sync terminal
• Auto Restart Mode


Specifications

Characteristic
Symbol
Value
Unit
Maximum drain voltage (1) VD,MAX
650
V
Drain-Gate voltage (RGS=1M) VDGR
650
V
Gate-source (GND) voltage VGS
±30
V
Drain current pulsed (2) IDM
48.0
ADC
Single pulsed avalanche energy (3) EAS
785
mJ
Continuous drain current (TC=25°C) ID
128.4
ADC
Continuous drain current (TC=100°C) ID
8.4
V
Maximum supply voltage VCC,MAX
30
V
Analog input voltage range VFB
-0.3 to VSD
W
Total power dissipation PD
269
W/°C
Derating
2.17
Operating ambient temperature TA
-25 to +85
°C
Storage temperature TSTG
-55 to +150
°C

Note:
1. Tj=25°C to 150°C
2. Repetitive rating: Pulse width limited by maximum junction temperature
3. L=10mH, VDD=50V, RG=27, starting Tj=25 °C



Description

The Fairchild Power Switch(FPS) product family KA3S1265RF is specially designed for an off line SMPS with minimal external components. The Fairchild Power Switch(FPS) KA3S1265RF  consist of high voltage power SenseFET and current mode PWM IC. Included control IC KA3S1265RF features a trimmed oscillator, under voltage lock-out, leading edge blanking, optimized gate turn-on/turn-off driver, thermal shut down protection, over voltage protection, temperature compensated precision current sources for loop compensation and fault protection circuit. compared to discrete MOSFET and controller or RCC switching converter solution, a Fairchild Power Switch(FPS) can reduce total component count, design size, weight and at the same time increase efficiency, productivity, and system reliability. KA3S1265RF  has a basic platform well suited for cost-effective C-TV power supply.




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