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KA3S1265RF, KA401, KA4035-12

Table of contents:
Info of KA3S1265RF
Info of KA401
Info of KA4035-12

KA3S1265RF, KA401, KA4035-12 Selling Leads, Datasheet

MFG:FAIRCHILD Package Cooled:TO-3P D/C:99+

KA3S1265RF, KA401, KA4035-12 Datasheet download

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Part Number: KA3S1265RF

MFG: FAIRCHILD

Package Cooled: TO-3P

D/C: 99+

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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⁾	V_D,MAX	650	V
Drain-Gate voltage (R_GS=1M)	V_DGR	650	V
Gate-source (GND) voltage	V_GS	±30	V
Drain current pulsed ⁽²⁾	I_DM	48.0	ADC
Single pulsed avalanche energy ⁽³⁾	E_AS	785	mJ
Continuous drain current (T_C=25°C)	I_D	128.4	ADC
Continuous drain current (T_C=100°C)	I_D	8.4	V
Maximum supply voltage	V_CC,MAX	30	V
Analog input voltage range	V_FB	-0.3 to V_SD	W
Total power dissipation	P_D	269	W/°C
Total power dissipation	Derating	2.17	W/°C
Operating ambient temperature	T_A	-25 to +85	°C
Storage temperature	T_STG	-55 to +150	°C

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

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