NCP1652DWR2G ON Semiconductor, NCP1652DWR2G Datasheet
NCP1652DWR2G
Specifications of NCP1652DWR2G
Related parts for NCP1652DWR2G
NCP1652DWR2G Summary of contents
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NCP1652, NCP1652A High-Efficiency Single Stage Power Factor Correction and Step-Down Controller The NCP1652 is a highly integrated controller for implementing power factor correction (PFC) and isolated step down ac−dc power conversion in a single stage, resulting in a lower cost ...
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SO− Ramp Comp COMP 12 9 Latch−Off 11 10 Startup Ramp Comp NC ...
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Jitter Jitter CT Adj. Clock Oscillator DC Max DC Max Sawtooth Ramp. Comp. Ramp Comp Adj. Ramp AC In skip Comp comparator + − SSKIP(sync) DD Soft−skip Ramp R FB skip FB Comparator + − ...
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PIN FUNCTION DESCRIPTION Pin 16 Pin 20 Pin Symbol external timing capacitor ( sets the oscillator frequency and the gain of the multiplier RAMP COMP A resistor (R added to the current ...
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MAXIMUM RATINGS (Notes 1 and 2) Rating Start_up Input Voltage Start_up Input Current Power Supply Input Voltage Power Supply Input Current Latch Input Voltage Latch Input Current OUTA Pin Voltage OUTA Pin Current OUTB Pin Voltage OUTB Pin Current All ...
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EMI Filter 1 CT Ramp Comp VFF CM AC COMP 10 Latch LATCH Figure 3. Typical Application Schematic VCC Latch NTC FB HV GND OUTB OUTA VCC VCC NCP1652 Ispos Iavg 11 Rdelay http://onsemi.com 6 + ...
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ELECTRICAL CHARACTERISTICS nF 470 pF 0.27 nF, C OUTA T IAVG C = 330 pF kW, For typical Value T OUTB RC Parameter OSCILLATOR Frequency Frequency Modulation in Percentage of ...
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ELECTRICAL CHARACTERISTICS nF 470 pF 0.27 nF, C OUTA T IAVG C = 330 pF kW, For typical Value T OUTB RC Parameter AC INPUT Input Bias Current Into Reference ...
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ELECTRICAL CHARACTERISTICS nF 470 pF 0.27 nF, C OUTA T IAVG C = 330 pF kW, For typical Value T OUTB RC Parameter STARTUP AND SUPPLY CIRCUITS Inhibit Bias Current ...
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T , JUNCTION TEMPERATURE (°C) J Figure 4. Oscillator Frequency (f Junction Temperature 8.0 7.5 7.0 6.5 6.0 −50 − JUNCTION TEMPERATURE (°C) ...
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T , JUNCTION TEMPERATURE (°C) J Figure 10. Error Amplifier Source Current vs. Junction Temperature 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 −50 ...
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T , JUNCTION TEMPERATURE (°C) J Figure 15. Oscillator CS Limit Voltage Gain vs. Junction Temperature 8.0 6.0 4.0 −50 − ...
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T , JUNCTION TEMPERATURE (°C) J Figure 21. OUTA Low Voltage vs. Junction Temperature 600 550 500 OUTA Rising to OUTB Falling 450 OUTB Rising to OUTA Falling ...
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T , JUNCTION TEMPERATURE (°C) J Figure 27. Skip Voltage Hysteresis vs. Junction Temperature 6.2 6.0 5.8 5.6 5.4 5.2 −50 − JUNCTION ...
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T , JUNCTION TEMPERATURE (°C) J Figure 32. Inhibit Threshold Voltage vs. Junction Temperature 25 − 0 0.5 ...
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T , JUNCTION TEMPERATURE (°C) J Figure 38. Supply Current Device Switching vs. Junction Temperature 5.5 5.3 5.1 4.9 4.7 4.5 −50 − ...
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V CC 980 960 940 920 900 −50 − JUNCTION TEMPERATURE (°C) J Figure 44. Latch Pull−Down Voltage Threshold vs. Junction Temperature 7.5 7.3 7.1 6.9 6.7 6.5 −50 − ...
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T , JUNCTION TEMPERATURE (°C) J Figure 49. Latch Clamp Voltage vs. Junction Temperature 100 100 125 150 −50 − ...
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Introduction The NCP1652 is a highly integrated controller combining PFC and an isolated step down ac−dc power conversion in a single stage, resulting in a lower cost and reduced part count solution. This controller is ideal for notebook adapters, battery ...
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As a result, potentially higher leakage inductance induces higher voltage spikes (like the one shown in Figure 53) on the MOSFET drain. This may require a MOSFET with a higher voltage rating compared to similar dc−input flyback ...
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V IN OUTB NCP1652 Figure 57. NCP1652 and NCP4302 based single stage PFC with synchronous rectification. The NCP1652 incorporates a secondary driver, OUTB, with adjustable non overlap delay for controlling a synchronous rectifier switch in the secondary side, an active ...
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Fault Timer Figure 58. V Double Hiccup Operation with a Fault Occurring while the Startup Circuit is Disabled CC An internal supervisory circuit monitors the V to prevent the controller from dissipating excessive power if the V pin is accidentally ...
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V IN The startup circuit is rated at a maximum voltage of 500 V. Power dissipation should be controlled to avoid exceeding the maximum power dissipation of the controller. If dissipation on the controller is excessive, a resistor can be ...
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ISpos pin multiplied by the current sense amplifier gain applied to the inverting input of the AC EA. The transconductance amplifier. A transconductance amplifier generates an output current proportional to its differential input voltage. ...
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spos AVG R IAVG Caution should be exercised when designing a filter between the current sense resistor and the IS to the low impedance of this amplifier. Any series resistance due to a filter ...
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The gain of the low frequency current buffer is set by the resistor at the I pin AVG IAVG IAVG between the primary peak and primary average currents. The gain of the current sense amplifier, A Equation ...
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Output Overload The Feedback Voltage directly proportional to the FB output power of the converter. An internal 6.7 kW resistor pulls−up the FB voltage to the internal 6.5 V reference. An external optocoupler pulls down the FB ...
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There is no error in the output signal due to the series rectifier as shown in Figure 67. The scaled version of the full wave rectified input ac wave is applied to the AC_IN pin by means of a ...
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The gain of the average input current or slow loop is given by Equation 9. R IAVG AC_COMP 4k The low frequency ...
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RCOMP dt primary 102.38k out low line and full load, the output of the ac ...
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Figure 68. Relationship Between the Brown−Out, V Vaux or VCC I latch(clamp) Latch−Off NTC V latch(clamp) Latch Input The NCP1652 has a dedicated latch input to easily latch the controller during overtemperature and overvoltage faults (See Figure 69). The controller ...
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... NCP1652 and reduce development cycle time. The design tool can be downloaded at www.onsemi.com. ORDERING INFORMATION Device NCP1652DWR2G NCP1652DR2G NCP1652ADR2G †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. ...
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20X 0. 18X A1 T PACKAGE DIMENSIONS SO−20 WB CASE 751D−05 ISSUE G q NOTES: 1. DIMENSIONS ARE IN MILLIMETERS. 2. INTERPRET DIMENSIONS ...
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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− ...