Description
These versatile switching regulators can be configured as boost, flyback, SEPIC or inverting converters. The LT3957 and LT3958 feature a rugged low side N-channel power MOSFET rated for 5A/40V and 3.5A/80V respectively. A novel FBX pin architecture provides accurate regulated positive or negative output with a simple resistor divider. These ICs also include soft-start, frequency foldback, input undervoltage lockout, adjustable frequency and synchronous switching.














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