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LTC3862-2 - Step-Up DC/DC Controller

General Description

The LTC®3862-2 is a two-phase constant frequency, current mode boost and SEPIC controller that drives N-channel power MOSFETs.

Two-phase operation reduces system filtering capacitance and inductance requirements.

Key Features

  • n Wide VIN Range: 5.5V to 36V Operation n 2-Phase Operation Reduces Input and Output Capacitance n Fixed Frequency, Peak Current Mode Control n Internal 10V LDO Regulator n Lower UVLO Thresholds Allows the Use of MOSFETs Rated at 6V VGS n Adjustable Slope Compensation Gain n Adjustable Max Duty Cycle (Up to 96%) n Adjustable Leading Edge Blanking n ±1% Internal Voltage Reference n Programmable Operating Frequency with One External Resistor (75kHz to 500kHz) n Phase-Lockable Fixed Freq.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Features n Wide VIN Range: 5.5V to 36V Operation n 2-Phase Operation Reduces Input and Output Capacitance n Fixed Frequency, Peak Current Mode Control n Internal 10V LDO Regulator n Lower UVLO Thresholds Allows the Use of MOSFETs Rated at 6V VGS n Adjustable Slope Compensation Gain n Adjustable Max Duty Cycle (Up to 96%) n Adjustable Leading Edge Blanking n ±1% Internal Voltage Reference n Programmable Operating Frequency with One External Resistor (75kHz to 500kHz) n Phase-Lockable Fixed Frequency 50kHz to 650kHz n SYNC Input and CLKOUT for 2-, 3-, 4-, 6- or 12-Phase Operation (PHASEMODE Programmable) n 24-Lead Narrow SSOP Package n 5mm × 5mm QFN Package with 0.