NCP1378DR2 ON Semiconductor, NCP1378DR2 Datasheet
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NCP1378DR2
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NCP1378DR2 Summary of contents
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... PIN CONNECTIONS Dmg GND 4 (Top View) ORDERING INFORMATION Device Package NCP1378DR2G SOIC- -8 (Pb- -Free) NCP1378PG PDIP- -7 (Pb- -Free) †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. 1 MARKING DIAGRAMS ...
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OVP and + Demag Universal Network *Please refer to the application information section. PIN FUNCTION DESCRIPTION Pin Symbol Function 1 Demag Core reset detection and OVP 2 FB Sets the peak current setpoint 3 CS Current sense input and skip ...
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HV PON 8.4 V 7.5 V 5.6 V (Fault) Fault To Internal Mngt. Supply GND *S and R are level triggered whereas S is edge triggered. R has priority over the other ...
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ELECTRICAL CHARACTERISTICS unless otherwise noted.) Characteristic SUPPLY SECTION V Increasing Level at which the Current Source Turns- -Off CC Minimum Operating Voltage after Turn- -On V Excursion between VCC and VCC Decreasing Level at which the Latchoff ...
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TEMPERATURE (C) Figure 3. V Threshold versus Temperature CCON 1.6 1.4 1.2 1.0 0.8 0.6 0 TEMPERATURE (C) Figure 5. Current Consumption ...
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TEMPERATURE (C) Figure 9. Drive Source Resistance versus Temperature 120 100 - TEMPERATURE (C) Figure 11. Demagnetization ...
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INTRODUCTION The NCP1378 implements a standard current mode architecture where the switch- - off time is dictated by the peak current setpoint, whereas the core reset detection triggers the turn event . This component represents the ideal candidate ...
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Once the power supply has started, the Vcc shall be constrained below 16 V, which is the maximum rating on pin 6. Figure 16 portrays a typical NCP1378 startup sequence with a Vcc regulated at 8.0 V. 9.0 8.4 V ...
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Drain Signal Timeout Signal Drain Signal Timeout Signal Figure 19. When the primary natural ringing becomes too low, the current sense initiates a new cycle when FB passes the skip level. An optocoupler is generally used to transfer the feedback ...
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An internal timer prevents any restart within 8.0 ms further to the driver going- - low transition. This prevents the switching frequency to exceed (1.0/T avoid false leakage inductance tripping at turn- - off. In some cases, the leakage inductance ...
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CTN NCP1378 Figure 24. A simple CTN triggers the latchoff as soon as the temperature exceeds a given setpoint. Shutting Off the NCP1378 Shutdown can easily be implemented through a simple NPN ...
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Vcc ON Figure 27. Typical Waveforms in Short Circuit Conditions Soft- -Start The NCP1378 features an internal 1.0 ms Soft- - Start to soften the constraints occurring in the power supply during startup activated during the power on ...
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Figure 28. This plot gathers waveforms captured at three different operating points Upper Plot: Free run, valley switching operation, Pout = Middle Plot: Min Toff clamps the switching frequency and selects the second valley. ...
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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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... SCILLC is an Equal 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 ...