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FSBH0270NY bảng dữ liệu(PDF) 7 Page - Fairchild Semiconductor |
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FSBH0270NY bảng dữ liệu(HTML) 7 Page - Fairchild Semiconductor |
7 / 16 page © 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com FSBH0F70A, FSBH0170/A, FSBH0270/A, FSBH0370 • Rev. 1.0.1 7 Electrical Characteristics (Continued) VDD=15V and TA=25°C unless otherwise specified. Symbol Parameter Condition Min. Typ. Max. Unit Control Section VDD Section VDD-ON Start Threshold Voltage 11 12 13 V VDD-OFF Minimum Operating Voltage 7 8 9 V FSBH0170 FSBH0270 FSBH0370 VDD-ON – 0.16V 30 IDD-ST Startup Current FSBH0F70A FSBH0170A FSBH0270A VDD-ON – 0.16V 240 320 400 µA IDD-OP Operating Supply Current VDD=15V, VFB=3V 3.0 3.5 4.0 mA IDD-ZDC Operating Current for VFB<VFB-ZDC VDD=12V, VFB=1.6V 1.5 2.5 3.5 mA IDD-OLP Internal Sink Current VTH-OLP+0.1V 30 70 90 µA VTH-OLP IDD-OLP Off Voltage 5 6 7 V VDD-OVP VDD Over-Voltage Protection 27 28 29 V tD-VDD-OVP VDD Over-Voltage Protection Debounce Time 75 130 200 µs HV Section IHV Maximum Current Drawn from HV Pin HV 120VDC, VDD=0V with 10µF 1.5 3.5 5.0 mA IHV-LC Leakage Current after Startup HV=700V, VDD=VDD-OFF+1V 1 20 µ A Oscillator Section fOSC Frequency in Nominal Mode Center Frequency 94 100 106 kHz fOSC-G Green-Mode Frequency 14 18 22 kHz DMAX Maximum Duty Cycle 85 % fDV Frequency Variation vs. VDD Deviation VDD=11V to 22V 5 % fDT Frequency Variation vs. Temperature Deviation (9) TA= -25 to 85°C 5 % VIN Section (FSBH0170, FSBH0270, FSBH0370) VIN-ON PWM Turn-On Threshold Voltage 1.08 1.13 1.18 V VIN-OFF PWM Turn-Off Threshold Voltage VIN-ON – 0.48 VIN-ON – 0.54 VIN-ON – 0.60 V tIN-OFF PWM Turn-Off Debounce Time 500 ms VIN-H Pull-HIGH Latch Trigger Level 4.4 4.7 5.0 V tIN-H Pull-HIGH Latch Debounce Time 100 µs VIN-L Pull-LOW Auto-Recovery Trigger Level 0.2 0.3 0.4 V Feedback Input Section AV FB Voltage to Current-Sense Attenuation 1/4.5 1/4.0 1/3.5 V/V ZFB Input Impedance 4 7 kΩ Continued on the following page… |
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