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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The NCP1252ADR2G is a current-mode Pulse Width Modulation (PWM) Controller for forward and flyback applications. It offers everything needed to build cost- effective and reliable AC to DC switching supplies dedicated to ATX power supplies. Thanks to the use of an internally fixed timer, NCP1252 detects an output overload without relying on the auxiliary Vcc. A Brown-Out input offers protection against low input voltages and improves the converter safety.
Peak current mode control
Jittering frequency ±5% of the switching frequency
Adjustable soft-start timer
Auto-recovery brown-out detection
Internal 160ns Leading edge blanking
Adjustable internal ramp compensation
Ready for updated no load regulation specifications

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NCP1252ADR2G Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Frequency	500 kHz
Supply Voltage (DC)	9.00V (min)
Halogen Free Status	Halogen Free
Number of Outputs	1 Output
Output Voltage	10 V
Number of Positions	8 Position
Rise Time	26 ns
Switching Frequency	500kHz (MAX)
Topology	Flyback, Forward
Thermal Resistance	169 ℃/W
Duty Cycle	50 %
Maximum Duty Cycle	48 %
Fall Time	22 ns
Operating Temperature (Max)	150 ℃
Supply Voltage	9V ~ 28V
Supply Voltage (Max)	28 V
Supply Voltage (Min)	9 V
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Size-Length	5 mm
Size-Width	4 mm
Size-Height	1.5 mm
Operating Temperature	-25℃ ~ 125℃ (TJ)
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99
HK STC License	NLR

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