Datasheet Linear Technology LTC3370 — Даташит

LTC3370
4-Channel 8A Configurable
Buck DC/DCs
Features Description 8 × 1A Power Stages Configurable as 2, 3, or 4 Output
Channels
n 8 Unique Output Configurations (1A to 4A Per Channel)
n Independent V Supplies for Each DC/DC
IN
(2.25V to 5.5V)
n Low Total No Load Supply Current: n Zero Current In Shutdown (All Channels Off) n 63µA One Channel Active in Burst Mode® Operation n 18µA Per Additional Channel
n Precision Enable Pin Thresholds for Autonomous
Sequencing
n 1MHz to 3MHz RT Programmable Frequency
(2MHz Default) or PLL Synchronizatio Temp Monitor Indicates Die Temperature
n PGOODALL Pin Indicates All Enabled Bucks Are in
Regulatio 32-Lead 5mm × 5mm QFN Package The LTC®3370 is a highly flexible multioutput power
supply IC. The device includes four synchronous buck
converters, configured to share eight 1A power stages,
each of which is powered from independent 2.25V to
5.5V inputs. n Applications General Purpose Multichannel Power Supplies:
Automotive, Industrial, Distributed Power Systems n The DC/DCs are assigned to one of eight power configurations via pin programmable C1-C3 pins. The common
buck switching frequency may be programmed with an
external resistor, synchronized to an external oscillator, …