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The L99LD02 is a two phase, constant frequency, current mode boost controller that drives N-channel power MOSFETs.
Multi-phase operation is supported by SYNC I/O pin, providing the phase shifted clock signal. The boost controllers of more devices can be stacked, in order to operate in multi-phase for high power applications.
Multi-phase operation reduces system filtering capacitance and inductance requirements.
The operating frequency is configurable via SPI between 100 kHz and 470 kHz.
Other features include an internal 10 V LDO for the gate drivers, soft-start, gate driver supply option from boost output and pre-configurable operation in limp home.