MAX5020ESA Maxim Integrated Products, MAX5020ESA Datasheet

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... Power Supply o Current-Mode Control o Leading-Edge Blanking o Internally Trimmed 275kHz ±10% Oscillator o Low External Component Count o Soft-Start o High-Voltage Startup Circuit o Pulse-by-Pulse Current Limiting o Thermal Shutdown o SO-8 Package PART MAX5019CSA* MAX5019ESA* MAX5020CSA* Applications MAX5020ESA* *See Selector Guide at end of data sheet NDRV 6 GND SS_SHDN ...

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Current-Mode PWM Controllers with Integrated Startup Circuit ABSOLUTE MAXIMUM RATINGS V+ to GND ……………………………………...……-0.3V to +120V V to GND.………………………………….……….-0.3V to +40V GND.………………….……………………-0.3V to +12.5V CC FB, NDRV, SS_SHDN GND .……-0. and V ...

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Current-Mode PWM Controllers with Integrated ELECTRICAL CHARACTERISTICS (continued 13V, a 10µF capacitor connects open circuit 3V -40°C to +85°C, unless otherwise noted. Typical values are PARAMETER SYMBOL ...

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Current-Mode PWM Controllers with Integrated Startup Circuit (V+ = 48V 13V GND, NRDV is open circuit MAX5020 MAXIMUM DUTY CYCLE vs. TEMPERATURE 48.0 47 GND 47.6 47.4 47.2 47.0 46.8 -40 -20 ...

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Current-Mode PWM Controllers with Integrated (V+ = 48V 13V GND, NRDV is open circuit NDRV FREQUENCY vs 271.0 270.5 270.0 269.5 269.0 268 GND 268.0 267.5 267 ...

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Current-Mode PWM Controllers with Integrated Startup Circuit PIN NAME High-Voltage Startup Input. Connect directly to an input voltage between 18V to 110V. Connects 1 V+ internally to a high-voltage linear regulator that generates the Input of the ...

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Current-Mode PWM Controllers with Integrated HIGH- VOLTAGE GND REGULATOR EN MAX5019 ONLY SLOPE COMPENSATION 26mV/µs 26mV/µs 1MΩ 50kΩ FB ERROR AMP SS_SHDN 2.4V 0.25V Figure 1. Functional Diagram _______________________________________________________________________________________ IN BIAS WINDING REGULATOR EN OUT OUT ...

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Current-Mode PWM Controllers with Integrated Startup Circuit V IN (36V TO 72V 4.7µ 10µ 0.1µF Figure 2. Forward Converter vantage to this is that the MOSFET voltage rating must be higher and that slope ...

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Current-Mode PWM Controllers with Integrated V IN Figure 3. Nonisolated Flyback Converter Figure 4. Isolated Flyback Converter to 2.4V, the internal voltage reference. Pull V below 0.25V to disable the controller. Undervoltage lockout shuts ...

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Current-Mode PWM Controllers with Integrated Startup Circuit pass filter (Figures 2, 3). Select the current-sense resis- tor, R according to the following equation: SENSE = 0 465 SENSE LimPrimary where I is the maximum peak ...

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Current-Mode PWM Controllers with Integrated 1) 36V ≤ V ≤ 72V 5V OUT OUT 50mV 2) To set the output voltage calculate the values of resistors R1 and R2 according to the following equation:   ...

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Current-Mode PWM Controllers with Integrated Startup Circuit  14 ≥ ×  DSMAX  14 Choose MOSFETs with appropriate avalanche power ratings. 5) Choose the tertiary winding turns ratio (N that the minimum input ...

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... Current-Mode PWM Controllers with Integrated Table 1. Component Manufacturers Power FETS Current-Sense Resistors Diodes Capacitors Magnetics Selector Guide MAXIMUM PART DUTY CYCLE MAX5019CSA 85% MAX5019ESA 85% MAX5020CSA 50% MAX5020ESA 50% ______________________________________________________________________________________ International Rectifier Fairchild Vishay-Siliconix Dale-Vishay IRC On Semi General Semiconductor Central Semiconductor Sanyo Taiyo Yuden AVX Coiltronics Coilcraft Pulse Engineering ...

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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 14 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2001 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...