NCP1012 ONSEMI [ON Semiconductor], NCP1012 Datasheet
NCP1012
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NCP1012 Summary of contents
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... NCP1010, NCP1011, NCP1012, NCP1013, NCP1014 Self−Supplied Monolithic Switcher for Low Standby− Power Offline SMPS The NCP101X series integrates a fixed−frequency current−mode controller and a 700 V MOSFET. Housed in a PDIP−7, PDIP−7 Gull Wing, or SOT−223 package, the NCP101X offers everything needed to build a rugged and low− ...
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... Figure 1. Typical Application Example NCP1010 NCP1011 22 100 250 65 100 130 65 100 130 65 http://onsemi.com 2 SOT−223 GND DRAIN 3 (Top View) 100 − 250 Vac 6 NCP1012 NCP1013 NCP1014 11 250 350 100 130 65 100 130 65 Vout GND 450 100 ...
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PIN FUNCTION DESCRIPTION Pin No. Pin No. (PDIP−7, (SOT−223) PDIP−7/Gull Wing) Pin Name 1 1 − 2 − 3 GND Drain − − − 7 GND 4 8 GND Startup Source ...
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... Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. Rating NCP1010/11 NCP1012/13/14 http://onsemi.com 4 Á Á Á Á Á Á Á Á Á Á Á ...
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... J Maximum Internal Current Setpoint, NCP1010 (Note 3) Maximum Internal Current Setpoint, NCP1011 (Note 3) Maximum Internal Current Setpoint, NCP1012 (Note 3) Maximum Internal Current Setpoint, NCP1013 (Note 3) Maximum Internal Current Setpoint, NCP1014 (Note 3) Default Internal Current Setpoint for Skip−Cycle Operation, ...
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ELECTRICAL CHARACTERISTICS (continued) Max T = 150° 8.0 V unless otherwise noted Rating INTERNAL OSCILLATOR Oscillation Frequency, 65 kHz Version, T Oscillation Frequency, 100 kHz Version, T Oscillation Frequency, 130 kHz Version, T Frequency Dithering Compared ...
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... Figure 10. Ipeak−RR, V 25.00 20.00 15.00 10.00 5.00 0.00 75 100 125 −25 0 Figure 12. ON Resistance vs. Temperature, http://onsemi.com 100 125 TEMPERATURE (°C) NCP1013 100 125 TEMPERATURE (° vs. Temperature 100 125 TEMPERATURE (°C) NCP1012/1013 ...
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Introduction The NCP101X offers a complete current−mode control solution (actually an enhanced NCP1200 controller section) together with a high−voltage power MOSFET in a monolithic structure. The component integrates everything needed to build a rugged and low−cost Switch−Mode Power Supply (SMPS) ...
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Startup Period Figure 14. The Charge/Discharge Cycle Over The protection burst duty−cycle can easily be computed through the various timing events as portrayed by Figure 16. Being loaded by the circuit ...
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Tstart Figure 16. NCP101X Facing a Fault Condition (Vin = 150 Vdc) The rising slope from the latch−off level up to 8.5 V Tstart + DV1 · expressed by: . The time during which IC1 the IC actually ...
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Plugging Equations 7 and 8 into Equation 6 leads to and thus, t Vds(t) u+ Vin P DSS + Vin The worse case occurs at high line, when Vin equals 370 Vdc. With ICC1 = 1.1 mA (65 kHz version), ...
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VCC ON VCC OFF Vclamp = 8.7 V typ. Permanent Latch Figure 18. A more detailed view of the NCP101X offers better insight on how to Figure 19. The burst frequency becomes so low that it is difficult to keep ...
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Figure 20. Low Peak Current Skip−Cycle Guarantees Noise−Free Operation Full power operation involves the nominal switching frequency and thus avoids any noise when running. Experiments carried on a 5.0 W universal mains board unveiled a standby power of 300 mW ...
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Soft−Start The NCP101X features an internal 1.0 ms soft−start activated during the power on sequence (PON). As soon as V reaches VCC , the peak current is gradually CC OFF increased from nearly zero up to the maximum internal clamping ...
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Full Latching Shutdown Other applications require a full latching shutdown, e.g. when an abnormal situation is detected (overtemperature or overvoltage). This feature can easily be implemented through two external transistors wired as a discrete SCR. When the OVP level exceeds ...
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Design Procedure The design of an SMPS around a monolithic device does not differ from that of a standard circuit using a controller 350 250 150 50.0 − 50.0 1.004M Figure 26. The Drain−Source Wave Shall Always be Positive . ...
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The Flyback transfer formula dictates that: Pout 1 · Lp · · Fsw (eq. 19 and plugging into Equation 19, leads to: 2 · Pout 1 Tsw + Lp · · Fsw ...
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MOSFET Protection As in any Flyback design important to limit the drain excursion to a safe value, e.g. below the MOSFET CVcc NCP101X A Figure 27. Different Options ...
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... Efficiency at Vin = 100 Vac and Pout = 6 75.7% • Efficiency at Vin = 230 Vac and Pout = 6 76.5% Figure 29. The NCP1012−Based PCB Layout . . . and its Associated Component Placement feedback. This configuration was selected for cost reasons and a more precise circuitry can be used, e.g. based on a TL431: ...
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A 7.0 W NCP1013−based Flyback Converter Featuring Low Standby Power Figure 30 depicts another typical application showing a NCP1013−65 kHz operating in a 7.0 W converter up to 70°C of ambient temperature. We can increase the output Vbulk 1N4148 D4 ...
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... NCP1012APL065R2G 65 NCP1012AP100 100 NCP1012AP100G 100 †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. Additional Gull Wing option may be available upon request. Please contact your ON Semiconductor representative. Package Type Shipping PDIP− ...
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... ORDERING INFORMATION Frequency (kHz) Device Order Number NCP1012APL100R2G 100 NCP1012AP133 130 NCP1012AP133G 130 NCP1012APL130R2G 130 NCP1012ST65T3 65 NCP1012ST65T3G 65 NCP1012ST100T3 100 NCP1012ST100T3G 100 NCP1012ST130T3 130 NCP1012ST130T3G 130 NCP1013AP065 65 NCP1013AP065G 65 NCP1013AP100 100 NCP1013AP100G 100 NCP1013AP133 130 NCP1013AP133G 130 NCP1013ST65T3 65 NCP1013ST65T3G 65 NCP1013ST100T3 100 NCP1013ST100T3G 100 ...
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F A NOTE 3 −T− N SEATING PLANE 0.13 (0.005 0.030 BOTTOM VIEW D TOP VIEW 0.016 ...
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0.08 (0003) A1 *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. The products described herein (NCP1010, ...