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NCP1230P65G Datasheet(PDF) 1 Page - ON Semiconductor |
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NCP1230P65G Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 21 page © Semiconductor Components Industries, LLC, 2011 February, 2011 − Rev. 11 1 Publication Order Number: NCP1230/D NCP1230 Low-Standby Power High Performance PWM Controller 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 (SOIC−8, SOIC−7, 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 startup 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 • 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 Typical Applications • High Power AC−DC Adapters for Notebooks, etc. • Offline Battery Chargers • Set−Top Boxes Power Supplies, TV, Monitors, etc. MARKING DIAGRAM xxx = Device Code: 65, 100, 133 y = Device Code: 6, 1, 1 y = Device Code: 5, 0, 3 A = Assembly Location L = Wafer Lot Y, YY = Year W, WW = Work Week G = Pb−Free Package G = Pb−Free Package (Note: Microdot may be in either location) http://onsemi.com PDIP−7 VHVIC P SUFFIX CASE 626B 1 8 1 8 SOIC−8 VHVIC D SUFFIX CASE 751 PIN CONNECTIONS DRV GND 18 VCC CS FB HV PFC Vcc See detailed ordering and shipping information in the ordering information section on page 4 of this data sheet. ORDERING INFORMATION 1230Pxxx AWL YYWWG 1 1 8 SOIC−7 D1 SUFFIX CASE 751U 30D16 ALYWG G 1 8 230Dy ALYWy G 1 8 |
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