Transcription of LTC7820 - analog.com
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LTC7820 - analog.com
LTC782017820fcFor more information APPLICATION FEATURESDESCRIPTIONF ixed Ratio High Power Inductorless (Charge Pump) DC/DC Controller The LT C 7820 is a fixed ratio high voltage high power switched capacitor/charge pump controller. The device includes four N-channel MOSFET gate drivers to drive external power MOSFETs in voltage divider, doubler or inverter configurations. The device achieves a 2:1 step-down ratio from an input voltage as high as 72V, a 1:2 step-up ratio from an input voltage as high as 36V, or a 1:1 inverting ratio from an input voltage up to 36V. Each power MOSFET is switched with 50% duty cycle at a constant pre-programmed switching frequency. System efficiency can be optimized to over 99%. The LTC7820 provides a small and cost effective solution for high power, non-isolated intermediate bus applications with fault LTC7820 switching frequency can be linearly programmed from 100kHz to 1 MHz.
LT 7820 3 7820 For more information www.linear.com/LTC7820 ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input/Output Voltage
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