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FSL126MRT Datasheet(PDF) 5 Page - Fairchild Semiconductor |
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FSL126MRT Datasheet(HTML) 5 Page - Fairchild Semiconductor |
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5 / 13 page  © 2012 Fairchild Semiconductor Corporation www.fairchildsemi.com FSL126MRT • Rev. 1.0.0 5 Electrical Characteristics TJ = 25 °C unless otherwise specified. Symbol Parameter Condition Min. Typ. Max. Unit SenseFET Section BVDSS Drain-Source Breakdown Voltage VCC=0V, ID=250 μA 650 V IDSS Zero-Gate-Voltage Drain Current VDS=520V, TA=125 °C 250 μA RDS(ON) Drain-Source On-State Resistance VGS=10V, ID=1A 4.9 6.2 Ω CISS Input Capacitance (12) VDS=25V, VGS=0V, f=1MHz 210 pF COSS Output Capacitance (12) VDS=25V, VGS=0V, f=1MHz 33.3 pF CRSS Reverse Transfer Capacitance (12) VDS=25V, VGS=0V, f=1MHz 4.1 pF tr Rise Time VDS=325V, ID=2A, RG=25Ω 16.4 ns tf Fall Time VDS=325V, ID=2A, RG=25Ω 23 ns td(on) Turn-On Delay VDS=325V, ID=2A, RG=25Ω 23 ns td(off) Turn-Off Delay VDS=325V, ID=2A, RG=25Ω 17.2 ns Control Section fS Switching Frequency (12) VCC=14V, VFB=4V 61 67 73 kHz ΔfS Switching Frequency Variation (12) - 25 °C < TJ < 125°C ±5 ±10 % DMAX Maximum Duty Ratio VCC=14V, VFB=4V 61 67 73 % DMIN Minimum Duty Ratio VCC=14V, VFB=0V 0 % IFB Feedback Source Current VFB=0 65 90 115 μA VSTART UVLO Threshold Voltage VFB=0V, VCC Sweep 11 12 13 V VSTOP After Turn-on, VFB=0V 7.0 7.5 8.0 V tS/S Internal Soft-Start Time VCC Sweep 15 ms Burst-Mode Section VBURH Burst-Mode Voltage VCC=14V, VFB Sweep 0.46 0.55 0.66 V VBURL 0.33 0.40 0.48 V Hys 150 mV Protection Section ILIM Peak Drain Current Limit di/dt=300mA/ μs 1.05 1.20 1.34 A VSD Shutdown Feedback Voltage VCC=14V, VFB Sweep 6.45 7.00 7.55 V IDELAY Shutdown Delay Current VCC=14V, VFB=4V 1.2 2.0 2.8 μA tLEB Leading-Edge Blanking Time (12,14) 350 ns VOVP Over-Voltage Protection VCC Sweep 23.0 24.5 26.0 V TSD Thermal Shutdown Temperature (12) Shutdown Temperature 130 140 150 °C Hys Hysteresis 60 °C Continued on the following page… |
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