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MFG:SEC  Package Cooled:TO3P-5  D/C:99+  

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Part Number: KA3S1265RF

 

MFG: SEC

Package Cooled: TO3P-5

D/C: 99+

Description: The Fairchild Power Switch(FPS) product family is specially designed for an off line SMPS with minimal...


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KA3S1265RF General Description


The Fairchild Power Switch(FPS) product family is specially designed for an off line SMPS with minimal external components. The Fairchild Power Switch(FPS) consist of high voltage power SenseFET and current mode PWM IC. Included control IC 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. It has a basic platform well suited for cost-effective C-TV power supply.

KA3S1265RF Maximum Ratings

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

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
• External sync terminal
• Auto Restart Mode

KA3S1265RF datasheet

KA3S1265RF-TU
PDF/DataSheet Download

  • Datasheet: KA3S1265RF-TU
  • File Size: 148810 KB
  • Manufacturer: FAIRCHILD [Fairchild Semiconductor]
  • Click here to Download

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