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FAN6862L Datasheet(PDF) 3 Page - Fairchild Semiconductor |
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FAN6862L Datasheet(HTML) 3 Page - Fairchild Semiconductor |
3 / 16 page © 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN6862R/L • Rev. 1.0.0 3 Marking Information ABxTT • ••• --- Figure 3. Top Mark Pin Configuration Figure 4. Pin Assignments Pin Definitions Pin # Name Function Description 1 GND Ground Ground 2 FB Feedback The FB pin provides the output voltage regulation signal. It provides feedback to the internal PWM comparator for control of the duty cycle. This pin also provide for OLP: if VFB is larger than the trigger level and remains for a long time, the controller stops and restarts. 3 RT Temperature Detection An external NTC thermistor is connected from this pin to GND for over-temperature protection. The impedance of the NTC decreases at high temperatures. Once the voltage of the RT pin drops below a threshold, PWM output is disabled. 4 SENSE Current Sense This pin senses the voltage across a resistor. When the voltage reaches the internal threshold, PWM output is disabled. This activates over-current protection. This pin also provides current amplitude information for current-mode control. 5 VDD Power Supply Power supply 6 GATE Driver Output The totem-pole output driver for driving the power MOSFET. ABx: ABA: FAN6862LTY ABC: FAN6862RTY TT: Wafer Lot Code : Year Code _ _ _ : Week Code |
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