DATASHEET ISL78225 4-Phase Interleaved Boost PWM Controller with Light Load Efficiency Enhancement FN7909 Rev 4.
00 September 5, 2014 The ISL78225 4-phase controller is targeted for applications where high efficiency (95%) and high power are required.
The multiphase boost converter architecture uses interleaved timing to multiply channel ripple frequency and reduce input and output ripple.
Lower ripple results in fewer input/output capacitors and therefore lower component cost and smaller implementation area.
The ISL78225 has a dedicated pin to initiate the phase dropping scheme for higher efficiency at light load by dropping phases based on the load current, so the switching and core los...

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