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NCL30082ADMR2G Datasheet(PDF) 2 Page - ON Semiconductor |
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NCL30082ADMR2G Datasheet(HTML) 2 Page - ON Semiconductor |
2 / 35 page NCL30082 www.onsemi.com 2 1 2 3 45 8 6 7 . . Aux . Figure 1. Typical Application Schematic for NCL30082 VDIM Table 1. PIN FUNCTION DESCRIPTION Pin No Pin Name Function Pin Description 1 SD Thermal Fold−back and shutdown Connecting an NTC to this pin allows reducing the output current down to 50% of its fixed value before stopping the controller. A Zener diode can also be used to pull−up the pin and stop the controller for adjustable OVP protection 2 ZCD Zero Crossing Detection Connected to the auxiliary winding, this pin detects the core reset event. 3 CS Current sense This pin monitors the primary peak current 4 GND − The controller ground 5 DRV Driver output The current capability of the totem pole gate drive (+0.3/−0.5 A) makes it suit- able to effectively drive a broad range of power MOSFETs. 6 VCC Supplies the controller This pin is connected to an external auxiliary voltage. 7 VIN Input voltage sensing Brown−Out This pin observes the HV rail and is used in valley selection. This pin also monitors and protects for low mains conditions. 8 DIM Analog / PWM dimming This pin is used for analog or PWM dimming control. An analog signal than can be varied between VDIM(EN) and VDIM100 can be used to vary the current, or a PWM signal with an amplitude greater than VDIM100. |
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