Transcription of LT8357 (Rev. 0)
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LT8357 (Rev. 0)
LT83571 Rev. 0 For more information FeedbackTYPICAL APPLICATION FEATURESDESCRIPTION60V 2 MHz Low-IQ Boost, SEPIC and Flyback ControllerThe LT 8357 is a wide input range, current mode, DC/DC controller which can be configured as a boost, SEPIC or flyback converter. The LT8357 drives a low side N-channel power MOSFET with 5V split gate drive. The current mode architecture allows adjustable and synchronizable 100kHz to 2 MHz fixed frequency operation, or internal 19% trian-gle spread spectrum operation for low EMI. At light load, either pulse-skipping mode or low-ripple Burst Mode operation can be selected. Additional features include output power good and output short circuit protection in SEPIC and flyback a wide 3V to 60V input voltage range and 8 A low quiescent current, the LT8357 provides a simple, com-pact and efficient solution for automotive, industrial, and battery-powered , 8V to 16V Input, 24V/2A Output Boost ConverterEfficiency vs Load CurrentAPPLICATIONS nWide Input Voltage Range: 3V to 60V nLow IQ Burst Mode Operation: 8 A nUp to 95% Efficiency at 2 MHz n Internal 1V Voltage Reference n5V Split Gate Drive for Efficiency and EMI Optimization n100kHz to 2 MHz Fixed Switching Frequency with External Clock Synchronization nSpread Spectrum Frequency Modulation for Low EMI nAccurate Enable Threshold with Hysteresis nProgr
LT8357 1 e 0 Document Feedback For more information www.analog.com TYPICAL APPLICATION FEATURES DESCRIPTION 60V 2MHz Low-IQ Boost, SEPIC and Flyback Controller The LT®8357 is a wide input range, current mode, DC/DC controller which can be configured as a boost, SEPIC or
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