NCP1203D100R2 ON Semiconductor, NCP1203D100R2 Datasheet
NCP1203D100R2
Specifications of NCP1203D100R2
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NCP1203D100R2 Summary of contents
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NCP1203 PWM Current- - Mode Controller for Universal Off- - Line Supplies Featuring Standby and Short Circuit Protection Housed in SOIC PDIP- -8 package, the NCP1203 represents a major leap toward ultra- -compact Switchmode Power Supplies and represents ...
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EMI FILTER UNIVERSAL INPUT *Please refer to the application information section PIN FUNCTION DESCRIPTION Pin No. Pin Name Function 1 Adj Adjust the skipping peak current 2 FB Sets the peak current setpoint 3 CS Current sense input 4 GND ...
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Adj 1 CURRENT SENSE 250 ns 3 L.E. GROUND V REF MAXIMUM RATINGS Rating Power Supply Voltage Power Supply Voltage on all other ...
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ELECTRICAL CHARACTERISTICS unless otherwise noted.) CC Characteristic Supply Section (All frequency versions, otherwise noted) Turn--on Threshold Level, V Going Up CC Minimum Operating Voltage after Turn--on V Decreasing Level at which the Latchoff Phase Ends CC ...
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TEMPERATURE (C) Figure 3. V Threshold versus CC(on) Temperature 900 860 820 780 740 700 660 620 580 540 500 --50 -- ...
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TEMPERATURE (C) Figure 9. Drive Source Resistance versus Temperature 0.99 0.97 0.95 0.93 0.91 0.89 0.87 0.85 --50 -- TEMPERATURE (C) Figure ...
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... This later point emphasizes the fact that ON Semiconductor’s NCP1203 does not need an external startup resistance but supplies the startup current directly from the high- -voltage rail. On the other hand, more and more applications are requiring low no- -load standby power, e ...
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Current- -Mode Operation As the UC384X series, the NCP1203 features a well- -known current mode control architecture which provides superior input audio- -susceptibility compared to traditional voltage- -mode controllers. Primary current pulse- -by- -pulse checking together with a fast over ...
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V Figure 15. Typical Waveforms in Short Circuit Conditions Calculating the V Capacitor CC The V capacitor can be calculated knowing the IC CC consumption as soon as V reaches 12.8 V. Suppose that a CC NCP1203P60 is used ...
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Figure 17. Output Pulses at Various Power Levels (X = 5.0 ms/div) P1 < P2 < P3 300 M 200 M 100 M 0 315.40 Figure 18. The Skip Cycle Takes Place at Low Peak Currents which Guaranties Noise- -Free ...
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Figure 19. Another Way of Shutting Down the IC without a Definitive Latch- -Off State 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 ...
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Figure 21. A negative spike takes place on the Bulk capacitor at the switch- -off sequence Simple and inexpensive cures exist to prevent from internal parasitic SCR activation. One of them consists in inserting a resistor in series with the ...
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... ORDERING INFORMATION Device NCP1203P40G NCP1203D40R2G NCP1203P60G NCP1203D60R2 NCP1203D60R2G NCP1203P100G NCP1203D100R2G †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. Package PDIP--8 (Pb--Free) SOIC--8 (Pb--Free) PDIP--8 (Pb--Free) ...
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... S B 0.25 (0.010 - SEATING PLANE - - 0.25 (0.010 *For additional information on our Pb--Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. PACKAGE DIMENSIONS SOIC CASE 751--07 ISSUE 0.10 (0.004 SOLDERING FOOTPRINT* 1.52 0.060 7.0 4.0 0.275 ...
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... Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303--675--2175 or 800--344--3860 Toll Free USA/Canada Fax: 303--675--2176 or 800--344--3867 Toll Free USA/Canada Email: orderlit@onsemi ...