LM5022MME

• Product Introduction

peculiarity

Internal 60V starting regulator 1A peak MOSFET gate driver V IN range from 6V to 60V 90% liability cycle limit Programmable undervoltage lockout with hysteresis Cycle-by-cycle current limit Externally synchronizable (AC coupled) Single-resistor oscillator frequency setting Slope compensation Adjustable soft start MSOP - 10 Package

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The LM5022 is ideal for high-voltage, low-side N-channel MOSFET controllers using boost and SEPIC regulators. It contains all the features that require a single-ended primary topology. Current mode control is based on output voltage regulation, which simplifies loop compensation design while providing inherent input voltage feedforward. The LM5022 includes a start-up regulator over a wide input voltage range of 6V to 60V. PWM controllers are designed for high-speed capabilities, including oscillator frequency ranges up to 2 MHz and total propagation delays of less than 100 ns. Other features include an error amplifier, high-precision reference, line undervoltage lockout, cycle-by-cycle current limiting, ramp compensation, soft start, external synchronization capability, and thermal shutdown. The LM5022 is available in an MSOP-10 package.

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Boost converter SEPIC converter