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FAN501A датащи(PDF) 3 Page - Fairchild Semiconductor |
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FAN501A датащи(HTML) 3 Page - Fairchild Semiconductor |
3 / 16 page © 2014 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN501A • Rev. 1.0.0 3 Marking Information ZXYTT FAN501A TM Figure 4. Top Mark Pin Configuration GATE 10 9 8 7 5 4 3 2 1 6 FAN501A VDD VS COMP SGND FB HV SD PGND CS Figure 5. Pin Assignments Pin Definitions Pin # Name Description 1 GATE PWM Signal Output. This pin has an internal totem-pole output driver to drive the power MOSFET. The gate driving voltage is internally clamped at 7.5 V. 2 VDD Power Supply. IC operating current and MOSFET driving current are supplied through this pin. This pin is typically connected to an external capacitor. 3 VS Voltage Sense. This pin detects the output voltage information and diode current discharge time based on the voltage of the auxiliary winding. It also senses sink current through the auxiliary winding to detect input voltage information. 4 COMP CC Control Correction. This pin connects to external resistor to program the CC control correction weighting. 5 SGND Signal Ground 6 FB Feedback. An opto-coupler is typically connected to this pin to provide feedback information to the internal PWM comparator. This feedback is used to control the duty cycle in Constant- Voltage (CV) regulation. 7 SD Shut Down. This pin is implemented for external over-temperature protection by connecting to an NTC thermistor. 8 HV High Voltage. This pin connects to a DC bus for high-voltage startup. 9 CS Current Sense. This pin connects to a current-sense resistor to detect the MOSFET current for Peak-Current-Mode control for output regulation. The current-sense information is also used to estimate the output current for CC regulation. 10 PGND Power Ground F- Fairchild Logo Z: Assembly Plant Code X: Year Code Y: Week Code TT: Die Run Code T: Package Type (MP=MLP) M: Manufacture Flow Code |
Аналогичный номер детали - FAN501A |
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Аналогичное описание - FAN501A |
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