NCP1230D65R2 Datasheet

Current Mode PWM Controllers


The NCP1230D65R2 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 (SOIC−8, SOIC−7, or PDIP−7), the NCP1230D65R2 contains all needed control functionality to build a rugged and efficient power supply. The NCP1230D65R2 is a current mode controller with internal ramp compensation. Among the unique features offered by the NCP1230D65R2 is an event management scheme that can disable the front−end PFC circuit during standby, thus reducing the no load power consumption.The NCP1230D65R2 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 NCP1230D65R2 has a high−voltage startup circuit that eliminates external components and reduces power consumption. NCP1230D65R2 Features • Current−Mode Operation with Internal Ramp Compensation• Internal High−Voltage Startup Current Source for Loss−Less Startup• 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• This is a Pb−Free Device


[{"Name":"Switching Frequency","Value":"70 kHz "},{"Name":"Rise Time","Value":"40 ns "},{"Name":"Fall Time","Value":"15 ns "},{"Name":"Operating Supply Voltage","Value":"- 0.3 V to + 18 V "},{"Name":"Number of Outputs","Value":"1"},{"Name":"Maximum Operating Temperature","Value":"+ 150 C "},{"Name":"Mounting Style","Value":"SMD/SMT "},{"Name":"Package / Case","Value":"SOIC-8 Narrow "},{"Name":"Output Current","Value":"800 mA "},{"Name":"Packaging","Value":"Reel "}]

Manufacturer information

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