KA1H0280 Fairchild, KA1H0280 Datasheet
KA1H0280
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KA1H0280 Summary of contents
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... KA1M0280RB/KA1H0280RB Fairchild Power Switch(FPS) Features • Precision Fixed Operating Frequency • KA1M0280RB (67kHz) , KA1H0280RB (100kHz) • Pulse by Pulse Over Current Limiting • Over Load Protection • Over Voltage Protection (Min. 23V) • Internal Thermal Shutdown Function • Under Voltage Lockout • Internal High Voltage Sense FET • ...
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... KA1M0280RB/KA1H0280RB Absolute Maximum Ratings Parameter (1) Maximum Drain Voltage Drain-Gate Voltage (R = Gate-Source (GND) Voltage (2) Drain Current Pulsed Single Pulsed Avalanche Energy (4) Avalanche Current Continuous Drain Current (T = Continuous Drain Current (T =100 C) C Maximum Supply Voltage Input Voltage Range Total Power Dissipation ...
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... V GS Coss f=1MHz Crss t V =0.5BV d(on) DD (MOSFET switching tr time are essentially t d(off) independent of tf operating temperature) V =10V =0.5BV DS switching time are Qgs essentially independent of Qgd operating temperature) 2% KA1M0280RB/KA1H0280RB Min. Typ. =50 A 800 - - - - - =125 C C =1.0A - 5.6 D =1.0A 1.5 2 250 =25V =2.0A - ...
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... These parameters, although guaranteed, are tested in EDS (wafer test) process 4 (Continued) Symbol Condition V - START V After turn on STOP KA1M0280RB F OSC KA1H0280RB ( - KA1M0280RB Dmax KA1H0280RB I Ta= Idelay Ta= Vfb V Vref Ta=25 C Vref Max. inductor current OVER ( ...
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... Figure 5. Start up Current 1.2 1.15 1.1 1.05 Ifb 0.95 0.9 0.85 0.8 75 100 125 150 ] C I Ipeak over 75 100 125 150 ] C V Vstart th(H) 75 100 125 150 ] C KA1M0280RB/KA1H0280RB Fig.2 Feedback Source Current 1 - 100 Temperature [ ] C Figure 2. Feedback Source Current Fig.4 Max Inductor Current 1.1 1.05 1 0.95 0.9 0.85 0.8 - 100 125 150 Temperature [ ...
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... KA1M0280RB/KA1H0280RB Typical Performance Characteristics (These characteristic graphs are normalized at Ta=25 C) Fig.7 Stop Threshold Voltage 1.15 1.1 1.05 V Vstop th(L) 1 0.95 0.9 0.85 - Temperature [ Figure 7. Stop Threshold Voltage Fig.9 Vcc Zener Voltage 1.2 1.15 1.1 1. 0.95 0.9 0.85 0.8 - Temperature [ Figure 9. V Zener Voltage CC Fig.11 Shutdown Delay Current 1.2 1.15 1.1 1.05 Idelay 1 0.95 0.9 0.85 0.8 - ...
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... Typical Performance Characteristics (These characteristic groups are normalized at Ta=25 C) Fig.14 Drain Source Turn-on Resistance 2.5 2 1.5 ) Rdson ( 1 0 Temperature [ Figure 13. Static Drain-Source on Resistance (Continued) 75 100 125 150 ] C KA1M0280RB/KA1H0280RB 7 ...
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... KA1M0280RB/KA1H0280RB Package Dimensions 8 TO-220F-4L ...
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... Package Dimensions TO-220F-4L(Forming) (Continued) KA1M0280RB/KA1H0280RB 9 ...
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... Ordering Information Product Number KA1M0280RB-TU KA1M0280RB-YDTU TO-220F-4L(Forming) KA1H0280RB-TU KA1H0280RB-YDTU TO-220F-4L(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 ...