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選取全部	屬性	值
	品牌	onsemi
	Maximum Switching Frequency	65kHz
	Product Type	PWM Controller
	Zero Power Detection	No
	Output Current	500mA
	Mount Type	Surface
	Package Type	SOIC
	Minimum Supply Voltage	-0.3V
	Maximum Supply Voltage	28V
	Topology	Flyback
	Pin Count	7
	Minimum Operating Temperature	-40°C
	Maximum Duty Cycle	85%
	PWM Controller Type	Current Mode
	Maximum Operating Temperature	150°C
	Series	NCP
	Length	5mm
	Height	1.5mm
	Standards/Approvals	No
	Automotive Standard	No

	選取全部
	品牌 onsemi
	Maximum Switching Frequency 65kHz
	Product Type PWM Controller
	Zero Power Detection No
	Output Current 500mA
	Mount Type Surface
	Package Type SOIC
	Minimum Supply Voltage -0.3V
	Maximum Supply Voltage 28V
	Topology Flyback
	Pin Count 7
	Minimum Operating Temperature -40°C
	Maximum Duty Cycle 85%
	PWM Controller Type Current Mode
	Maximum Operating Temperature 150°C
	Series NCP
	Length 5mm
	Height 1.5mm
	Standards/Approvals No
	Automotive Standard No

COO (Country of Origin):: PH

The NCP12400 is a new fixed−frequency current−mode controller featuring the Dynamic Self−Supply. This function greatly simplifies the design of the auxiliary supply and the VCC capacitor by activating the internal startup current source to supply the controller during start−up, transients, latch, stand−by etc. This device contains a special HV detector which detects the application unplug from the ac input line and triggers the X2 discharge current. This HV structure allows the brown−out detection as well. It features a timer−based fault detection that ensures the detection of overload and an adjustable compensation to help keep the maximum power independent of the input voltage.

Reduces Overall System Cost and Complexity

Ensures Skip Mode Operation Outside Audible Range

Average Efficiency Meets CoC Tier 2 Compliance

Configurable Protection Tailored for Application Needs

onsemi 5 PWM Controller, 65 kHz 28V 7-Pin, SOIC

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