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5-Bit Programmable 2-/3-/4-Phase Synchronous Buck Controller ADP3186
FEATURES
Selectable 2-, 3-, or 4-phase operation at up to 1 MHz per phase ±1% worst-case differential sensing error over temperature Logic-level PWM outputs for interface to external high power drivers Active current balancing between all output phases Built-in power good/crowbar blanking supports on-the-fly VID code changes 5-bit digitally programmable 0.8 V to 1.55 V output Programmable short-circuit protection with programmable latch-off delay
FUNCTIONAL BLOCK DIAGRAM
VCC
28
RAMPADJ
14
RT
13
ADP3186
UVLO SHUTDOWN AND BIAS
EN 11
OSCILLATOR SET EN
27 PWM1
GND 19
CMP
RESET
CROWBAR 6 CSREF 2.