KA5Q0740 Fairchild, KA5Q0740 Datasheet
KA5Q0740
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KA5Q0740 Summary of contents
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... KA5Q0740RT Fairchild Power Switch(FPS) Features • Quasi Resonant Converter Controller • Internal Burst Mode Controller for Stand-by Mode • Pulse by Pulse Current Limiting • Over Current Latch Protection • Over Voltage Protection (Vsync: Min. 11V) • Internal Thermal Shutdown Function • Under Voltage Lockout • ...
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... KA5Q0740RT Absolute Maximum Ratings (Ta=25 C, unless otherwise specified) Parameter Drain-Gate Voltage (R = Gate-Source (GND) Voltage (2) Drain Current Pulsed Single Pulsed Avalanch Current Continuous Drain Current (Tc = 25°C) Continuous Drain Current (T =100 C) C Supply Voltage Analog Input Voltage Range Total Power Dissipation Operating Junction Temperature ...
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... V = 10V 0. Switching time are Essentially Qgs independent of operating Qgd temperature) 2% Min. Typ. Max 400 - 2. 710 = 25V 7. DSS 7.0A (MOSFET DSS - 4.0 - 7.3 KA5Q0740RT Unit - V 200 A 300 A 1 ...
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... KA5Q0740RT Electrical Characteristics (Ta=25 C unless otherwise specified) Parameter UVLO SECTION Start Threshold Voltage Stop Threshold Voltage OSCILLATOR SECTION Initial Frequency Voltage Stability Temperature Stability (Note2) Maximum Duty Cycle Minimum Duty Cycle FEEDBACK SECTION Feedback Source Current Shutdown Feedback Voltage Shutdown Delay Current ...
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... Vcc = 16V, Vfb = 5V NSL V Vcc = 10.5V, Vfb = 0V BSH V Vcc = 10.5V, Vfb = 0V BSL V Vfb = 0V BURL V Vfb = 0V BURH V Vcc = 10.5V BEN I Vcc = 10.5V BU_PK V Ifb = 700uA, Vfb = Vfb = GND, V START I Vfb = GND Vfb = GND, V OP(MIN) I Vfb = GND, V OP(MAX) KA5Q0740RT Min. Typ. Max. 4.0 4.6 5.2 2.3 2.6 2.9 3.2 3.6 4.0 1.1 1.3 1.5 10.4 11.0 11.6 11.4 12.0 12.6 0.7 1.0 1.3 0.65 0.85 1.1 32.0 32.5 33.0 - 2.0 2 4.4 5.0 5.6 = 14V - 0.1 0 16V ...
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... KA5Q0740RT Typical Performance Characteristics 1.10 1.05 1.00 0.95 0.90 0.85 -25 ℃ 0 ℃ 25 ℃ 50 ℃ Temp.(ºC) Figure 1. Start Voltage 1.08 1.01 0.94 0.87 0.80 -25 ℃ 0 ℃ 25 ℃ 50 ℃ Temp.(ºC) Figure 3. Stand by Current 1.10 1.05 1.00 0.95 0.90 0.85 -25 ℃ 0 ℃ 25 ℃ 50 ℃ Temp.(ºC) Figure 5. Initial Frequency 6 1.10 1.06 1.02 0.98 0.94 0.90 -25 ℃ 75 ℃ 100 ℃ 125 ℃ 150 ℃ 1.10 1.05 1.00 0.95 0.90 0.85 -25 ℃ ...
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... Temp.(ºC) Figure 8. Feedback Source Current 0 ℃ 25 ℃ 50 ℃ 75 ℃ 100 ℃ Temp.(ºC) Figure 10. Shutdown Feedback Voltage 0 ℃ 25 ℃ 50 ℃ 75 ℃ 100 ℃ Temp.(ºC) KA5Q0740RT 125 ℃ 150 ℃ 125 ℃ 150 ℃ 125 ℃ 150 ℃ 7 ...
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... KA5Q0740RT Typical Performance Characteristics 1.10 1.06 1.02 0.98 0.94 0.90 -25 ℃ 0 ℃ 25 ℃ 50 ℃ Temp.(ºC) Figure 13. Burst Mode Low Threshold Voltage 1.10 1.06 1.02 0.98 0.94 0.90 -25 ℃ 0 ℃ 25 ℃ 50 ℃ Temp.(ºC) Figure 15. Burst Mode Sync. High Threshold Voltage 1.10 1.06 1.02 0.98 0.94 0.90 -25 ℃ 0 ℃ 25 ℃ 50 ℃ Temp.(ºC) Figure 17. Primary Voltage 8 (Continued) 1.10 1.06 1.02 0.98 0.94 0.90 -25 ℃ 75 ℃ ...
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... Z 2. Duty Factor, D=t 0 0.05 0.02 0.01 single pulse - Square Wave Pulse Duration [sec] 1 KA5Q0740RT 100 ℃ 125 ℃ 150 ℃ 125 ℃ 150 ℃ (t) = 1.32 /W Max. ℃ θ ( θ ...
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... KA5Q0740RT Package Dimensions 10 TO-220F-5L ...
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... Package Dimensions (Continued) TO-220F-5L(Forming) KA5Q0740RT 11 ...
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... KA5Q0740RT Ordering Information Product Number KA5Q0740RTTU KA5Q0740RTYDTU TO-220F-5L(Forming Non Forming Type YDTU : Forming Type DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS ...