NCV3065 ONSEMI [ON Semiconductor], NCV3065 Datasheet
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NCV3065
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NCV3065 Summary of contents
Page 1
... NCP3065, NCV3065 Up to 1.5 A Constant Current Switching Regulator for LEDs The NCP3065 is a monolithic switching regulator designed to deliver constant current for powering high brightness LEDs. The device has a very low feedback voltage of 235 mV (nominal) which is used to regulate the average current of the LED string. In addition, the ...
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... Inverting input pin of internal comparator Inverting Input 6 V Voltage supply Sense Peak Current Sense Input to monitor the voltage drop across an external resistor to limit the peak pk current through the circuit 8 N.C. Pin not connected NCP3065, NCV3065 8 N.C. Switch Collector I Sense 7 pk Switch Emitter Timing Capacitor Comparator 5 ...
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... This device contains latch-up protection and exceeds 100 mA per JEDEC Standard JESD78. 3. The relation between junction temperature, ambient temperature and Total Power dissipated The pins which are not defined may not be loaded by external signals copper copper area NCP3065, NCV3065 Symbol CII ...
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... Current Limit Sense Voltage is specified at static conditions. In dynamic operation the sensed current turn-off value depends IPK(Sense) on comparator response time and di/dt current slope. See the Operating Description section for details. 8. NCV prefix is for automotive and other applications requiring site and change control. NCP3065, NCV3065 ( -40°C to +125°C, unless otherwise specified) ...
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... Darlington Switch Voltage Drop vs. Temperature 2 25°C 1.8 J 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1 EMITTER CURRENT (A) E Figure 9. Emitter Follower Configuration Output Darlington Switch Voltage Drop vs. Emitter Current NCP3065, NCV3065 190 180 170 160 150 140 130 120 110 3 7 Figure 6. Oscillator Frequency vs. Supply 1. 5 1.20 1.15 1.10 1.05 1.0 ...
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... T , JUNCTION TEMPERATURE (°C) J Figure 11. Comparator Threshold Voltage vs. Temperature 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 3.0 Figure 13. Standby Supply Current vs. Supply Voltage NCP3065, NCV3065 0.30 0.28 0.26 0.24 0.22 0.20 0.18 0.16 0.14 0.12 0.10 90 110 130 150 -40 -25 -10 Figure 12. Current Limit Sense Voltage vs 2 Pin Pin 2 = GND 8 SUPPLY VOLTAGE (V) CC http://onsemi ...
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... On Output Switch Off Nominal Output Voltage Level Output Voltage NCP3065, NCV3065 INTRODUCTION comparator value, the output switch cycle is inhibited. When the load current causes the output voltage to fall below the nominal value feedback comparator enables switching immediately. Under these conditions, the output switch ...
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... This feature is provided to prevent catastrophic failures from accidental device overheating not intended to be used as a replacement for proper heatsinking. NCP3065, NCV3065 LED Dimming The COMP pin of the NCP3065 is used to provide dimming capability. In digital input mode the PWM input signal inhibits switching of the regulator and reduces the average current through the LEDs ...
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... Desired peak-to-peak output ripple voltage. For best performance the ripple voltage should be kept to a low ripple(pp) value since it will directly affect line and load regulation. Capacitor C electrolytic designed for switching regulator applications. NCP3065, NCV3065 APPLICATIONS Figure 16 gives the relevant design equations for the key parameters. Additionally, a complete application design aid for the NCP3065 can be found at www ...
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... LED output current, for 350 mA use 680 mW, for 700 mA use 330 mW and for 1000 mA use 220 mW SENSE Test Results (without output capacitor) Test Line Regulation Load Regulation Output Ripple Efficiency NCP3065, NCV3065 NTF2955 Q4 MMBT3904LT1G Q5 R15 N.C. SWC 7 2 SWE ...
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... V , INPUT VOLTAGE (V) IN Figure 20. Efficiency vs. Input Voltage for the 1.5 A Buck Demo Board 350 mA, T out 100 mF Output Capacitor NCP3065, NCV3065 3 Output Cap OUT Figure 19. Efficiency vs. Input Voltage for the 1.5 A Buck Demo Board at I ...
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... MBRS140LT3G, Schottky diode D2 MMSZ36VT1G, Zener diode 100 mH, DO3340P-104ML Coilcraft Inductor L1 Test Results Test Line Regulation Output Ripple Efficiency NCP3065, NCV3065 L1 100 N.C. SWC 7 2 SWE TCAP V CC ...
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... Figure 23. Boost Demoboard Layout NCP3065, NCV3065 Figure 24. Efficiency vs. Input Voltage for the Boost Demo Board (6xLED with V OUT http://onsemi.com INPUT VOLTAGE (V) = 350 mA, OUT = 3.6 V 255C F A ...
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... MMSD4148T1G, Diode BC817-LT1G, SOT23 Test Results Test Line Regulation Output Ripple Efficiency Rload = 0.15 W Short Circuit Current V in NCP3065, NCV3065 MTB30P06V Q4 MMBT3904LT1G Q5 R15 N.C. SWC 7 2 SWE TCAP V CC ...
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... Figure 26 Buck Demoboard Layout ORDERING INFORMATION Device NCP3065MNTXG NCP3065PG NCP3065DR2G NCV3065MNTXG NCV3065PG NCV3065DR2G †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. NCP3065, NCV3065 ...
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... F -A- NOTE 2 C -T- N SEATING PLANE 0.13 (0.005) M NCP3065, NCV3065 PACKAGE DIMENSIONS 8 LEAD PDIP CASE 626-05 ISSUE http://onsemi.com 16 NOTES: 1. DIMENSION L TO CENTER OF LEAD WHEN FORMED PARALLEL. 2. PACKAGE CONTOUR OPTIONAL (ROUND OR SQUARE CORNERS). 3. DIMENSIONING AND TOLERANCING PER ANSI Y14 ...
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... G C 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. NCP3065, NCV3065 PACKAGE DIMENSIONS SOIC-8 NB CASE 751-07 ISSUE 0.10 (0.004 SOLDERING FOOTPRINT* 1 ...
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... 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.com NCP3065, NCV3065 PACKAGE DIMENSIONS 8 PIN DFN, 4x4 CASE 488AF-01 ISSUE ...