TPS40210/11 Boost Controllers Texas Instruments TPS40210/11 Boost Controllers are suitable for topologies that require a grounded source N-channel FET including boost, flyback, SEPIC, and various LED driver applications. The controllers feature programmable soft-start, over-current protection with automatic retry, and programmable oscillator frequency. Current mod control provides improved transient response and simplified loop compensation. The devices are ideal for consumer, communications, computing, and industrial markets.