NCP1031DR2G ON Semiconductor, NCP1031DR2G Datasheet
NCP1031DR2G
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NCP1031DR2GOS
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NCP1031DR2G Summary of contents
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NCP1030, NCP1031 Low Power PWM Controller with On- - Chip Power Switch and Startup Circuits for 48 V Telecom Systems The NCP1030 and NCP1031 are a family of miniature high- -voltage monolithic switching regulators with on- -chip Power Switch and ...
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GND Internal Bias Ramp 3.0 V/3 One Shot I Pulse Error Amplifier VFB -- -- + + PWM Comparator 2.5 V ...
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C Ramp T C Charge T Signal PWM Comparator Output PWM Latch Output Power Switch Circuit Gate Drive Leading Edge Blanking Output Normal PWM Operating Range Figure 2. Pulse Width Modulation Timing Diagram V CC(on) V CC(off) V CC(reset) 0 ...
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MAXIMUM RATINGS Power Switch and Startup Circuits Voltage Power Switch and Startup Circuits Input Current -- NCP1030 -- NCP1031 V Voltage Range CC All Other Inputs/Outputs Voltage Range V and All Other Inputs/Outputs Current CC Operating Junction Temperature Storage Temperature ...
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DC ELECTRICAL CHARACTERISTICS --40C to 125C, typical values shown are for T COMP J Characteristics STARTUP CONTROL Startup Circuit Output Current ( COMP NCP1030 T = 25 ...
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DC ELECTRICAL CHARACTERISTICS --40C to 125C, typical values shown are for T COMP J Characteristics OSCILLATOR Frequency (C = 560 pF, Note 25 --40C to 125C J ...
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V , SUPPLY VOLTAGE (V) CC Figure 4. NCP1030 Startup Current vs. Supply Voltage ...
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Startup Threshold 10.0 9.5 9.0 8.5 8.0 Minimum Operating Threshold 7.5 7.0 6.5 6.0 --50 -- JUNCTION TEMPERATURE (C) J Figure 10. Supply Voltage Thresholds vs. Junction Temperature 20 19.5 ...
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T , JUNCTION TEMPERATURE (C) J Figure 16. Line Under/Overvoltage Thresholds vs. Junction Temperature 1000 900 800 700 600 500 400 300 200 ...
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V , DRAIN VOLTAGE (V) DRAIN Figure 22. Power Switch Circuit Output Capacitance vs. Drain Voltage 600 575 Current Slew Rate = 500 mA/ms 550 525 500 475 450 425 400 375 350 ...
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DRAIN 3 25 560 pF T 3.7 3.5 3.3 3.1 2.9 2.7 2 SUPPLY VOLTAGE (V) CC Figure 28. Operating Supply Current vs. ...
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NCP103x GND V DRAIN COMP OV Figure 31. Secondary Side Bias Supply Configuration + NCP103x GND COMP Figure 32. Boost Circuit Configuration ...
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Introduction The NCP1030 and NCP1031 are a family of miniature monolithic voltage- -mode switching regulators designed for isolated and non- -isolated bias supply applications. The internal startup circuit and the MOSFET are rated at 200 V, making them ideal for ...
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EA sink current, typically 110 mA. Optimum transient response is obtained if the compensation components allow COMP to swing across its operating range in 1 cycle. Line Under and Overvoltage Detector The NCP103x incorporates individual line ...
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PWM Comparator and Latch The Pulse Width Modulator (PWM) Comparator compares the error amplifier output (COMP) to the C Ramp and generates a proportional duty cycle. The Power Switch is enabled while the C Ramp is below COMP as T ...
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... ORDERING INFORMATION Device NCP1030DMR2 NCP1030DMR2G NCP1031DR2 NCP1031DR2G NCP1031MNTXG †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 Micro8 Micro8 (Pb--Free) SOIC--8 SOIC--8 (Pb--Free) DFN8 (Pb--Free) http://onsemi.com 16 † ...
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... SOLDERING FOOTPRINT* 4.30 2. NOTE 3 0.80 PITCH *For additional information on our Pb--Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. http://onsemi.com 17 NOTES: 1. DIMENSIONS AND TOLERANCING PER ASME Y14.5M, 1994. 2. CONTROLLING DIMENSION: MILLIMETERS. 3. DIMENSION b APPLIES TO PLATED TERMINAL AND IS MEASURED BETWEEN 0 ...
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... SEATING - -T- - PLANE A 0.038 (0.0015) 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. PACKAGE DIMENSIONS Micro8t CASE 846A--02 ISSUE H NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. ...
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... *For additional information on our Pb--Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. Micro8 is a trademark of International Rectifier. SENSEFET is a registered trademark of Semiconductor Components Industries, LLC. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein ...