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NCP1001PG Datasheet(PDF) 1 Page - ON Semiconductor |
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NCP1001PG Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 14 page © Semiconductor Components Industries, LLC, 2006 February, 2006 − Rev. 8 1 Publication Order Number: NCP1000/D NCP1000, NCP1001, NCP1002 Integrated Off−Line Switching Regulator The NCP1000 through NCP1002 series of integrated switching regulators, combine a fixed frequency PWM controller with an integrated high voltage power switch circuit. This chip allows for simple design and minimal parts count for very low cost applications which utilize an ac input. This chip is designed to power a single ended topology, typically a discontinuous mode flyback, with secondary side sensing. The internal high voltage switch circuit and startup circuit can function in continuous operation over a wide range of inputs, from 85 Vac to 265 Vac, and thus can be used in any existing power system in the world. Though inexpensive, these devices include a number of features such as undervoltage lockout, over−temperature protection, bandgap reference and leading edge blanking that make them an excellent value. Features • Highly Integrated Solution • Operates Over Universal Input Voltage Range (85 Vac to 265 Vac) • On−board 700 V Power Switch Circuit • Minimal External Parts Required • Input Undervoltage Lockout with Hysteresis • Very Low Standby Current • No Minimum Load Requirement • Opto Fail−Safe Shutdown Circuit • Pb−Free Packages are Available* Typical Applications • Cell Phone Chargers • Wall Adapters • On−board AC−DC Converters POWER SWITCH CIRCUIT INTERNAL BIAS UVLO & OPTO FAIL−SAFE STARTUP CIRCUIT VCC STARTUP − + PWM COMPARATOR PWM CONTROL & POWER SWITCH CIRCUIT OSCILLATOR FEEDBACK INPUT GND Figure 1. Simplified Block Diagram *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. Device Package Shipping ORDERING INFORMATION* NCP1000P PDIP−8 50 Units/Rail NCP1002P PDIP−8 PDIP−8 P SUFFIX CASE 626 1 8 NCP1001P PDIP−8 x = Device Number 0, 1, or 2 A = Assembly Location WL = Wafer Lot YY = Year WW = Work Week G = Pb−Free Package 1 8 Pin: 1. VCC 2. Feedback Input 3, 6−8 Ground 4. Startup 5. Power Switch Circuit Ipk Typ (A) Ron Max ( W) 0.5 18 1.0 9 1.5 6 NCP100xP AWL YYWWG 50 Units/Rail 50 Units/Rail *Consult factory for additional optocoupler fail−safe latching, frequency, and current limit options. http://onsemi.com NCP1000PG PDIP−8 (Pb−Free) 50 Units/Rail NCP1002PG PDIP−8 (Pb−Free) NCP1001PG PDIP−8 (Pb−Free) 0.5 18 1.0 9 1.5 6 50 Units/Rail 50 Units/Rail MARKING DIAGRAM |
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