Datasheet Linear Technology LTC3374HFE#PBF — 数据表

LTC3374
8-Channel Parallelable
1A Buck DC/DCs
FEATURES DESCRIPTION 8-Channel Independent Step-Down DC/DCs
n Master-Slave Configurable for Up to 4A per Output
Rail with a Single Inductor
n Independent V Supplies for Each DC/DC
IN (2.25V to 5.5V)
n All DC/DCs Have 0.8V to V Output Range
IN
n Precision Enable Pin Thresholds for Autonomous
Sequencing
n 1MHz to 3MHz Programmable/Synchronizable
Oscillator Frequency (2MHz Default)
n Die Temperature Monitor Output
n Thermally-Enhanced 38-Lead QFN (5mm × 7mm)
and TSSOP Packages The LTC®3374 is a high efficiency multioutput power supply IC. The DC/DCs consist of eight synchronous buck
converters (1A each) all powered from independent 2.25V
to 5.5V input supplies. n APPLICATIONS General Purpose Multichannel Power Supplies Industrial/Automotive/Communications The DC/DCs may be used independently or in parallel to
achieve higher currents of up to 4A per output with a shared
inductor. The common buck switching frequency may be
programmed with an external resistor, synchronized to an
external oscillator, or set to a default internal 2MHz clock. …