CS5151H controller equivalent, cpu 4-bit nonsynchronous buck controller.
on board, 4−bit DAC, short circuit protection, 1.0% output tolerance, VCC monitor, and programmable Soft Start capability. The CS5151H is upwards compatible with the 5−b.
INFORMATION
THEORY OF OPERATION
V2 Control Method The V2 method of control uses a ramp signal that is
generated by the .
PIN SYMBOL VID0−VID3
SS
NC COFF VFFB VCC2 VGATE PGND VCC1 LGND COMP VFB
FUNCTION Voltage ID DAC input pins. These pins are internally pulled up to 5.0 V providing logic ones if left open. The DAC range is 2.14 V to 3.54 V with 100 mV increments. VI.
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