NCP1230 - ON Semiconductor

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

NCP1230
Manufacturer

ON Semiconductor
ChipWorker Part#

CW327579533
RoHS

Lead free / RoHS Compliant
Description

AC-DC Offline Switching Controllers/Regulators
Documentation

Datasheet

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NCP1230 Specifications

Attribute	Attribute Value

Part Number	NCP1230
Manufacturer	ON Semiconductor
ChipWorker Part#	CW327579533
Documentation	Datasheet
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RoHS	RoHS Compliant

Product Description

The NCP1230 represents a major leap towards achieving low standby power in medium-to-high power Switched-Mode Power Supplies such as notebook adapters, off-line battery chargers and consumer electronics equipment. Housed in a compact 8-pin package (SO-8 or PDIP-7), the NCP1230 contains all needed control functionality to build a rugged and efficient power supply. The NCP1230 is a current mode controller with internal ramp compensation. Among the unique features offered by the NCP1230 is an event management scheme that can disable the front-end PFC circuit during standby, thus reducing the no load power consumption. The NCP1230 itself goes into cycle skipping at light loads while limiting peak current (to 25% of nominal peak) so that no acoustic noise is generated. The NCP1230 has a high-voltage start-up circuit that eliminates external components and reduces power consumption. The NCP1230 also features an internal latching function that can be used for OVP protection. This latch is triggered by pulling the CS pin above 3.0 V and can only be reset by pulling VCC to ground. True overload protection, internal 2.5 ms soft start, internal leading edge blanking, internal frequency dithering for low EMI are some of the other important features offered by the NCP1230.
Features
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Current−Mode Operation with Internal Ramp Compensation
Internal High−Voltage Start−Up Current Source for Loss Less Start−Up
Extremely Low No−Load Standby Power
Skip−Cycle Capability at Low Peak Currents
Direct Connection to PFC Controller for Improved No−Load Standby Power
Internal 2.5 ms Soft Start
Internal Leading Edge Blanking
Latched Primary Overcurrent and Overvoltage Protection
Short−Circuit Protection Independent of Auxiliary Level
Internal Frequency Jittering for Improved EMI Signature
+500 mA/−800 mA Peak Current Drive Capability
Available in Three Frequency Options: 65 kHz, 100 kHz, and 133 kHz
Direct Optocoupler Connection
SPICE Models Available for TRANsient and AC Analysis
Pb-Free Packages are Available

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