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SC1144 数据手册 ( 数据表 ) - Semtech Corporation

零件编号产品描述(功能)生產廠家
SC1144 PROGRAMMABLE, HIGH PERFORMANCE MULTI-PHASE, PWM CONTROLLER Semtech
Semtech Corporation Semtech
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SC1144 Datasheet PDF : SC1144 pdf   
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DESCRIPTION
The SC1144 is a high performance, multi-phase (PWM) controller designed for high power microprocessors requiring ultra fast transient response, such as the Pentium®ll and beyond. Utilizing a novel and unique design, the controller distributes the output load across (up to) four converter channels by digitally phase shifting the PWM outputs. This approach greatly reduces the stress and heat on the output stage components while lowering input ripple current by as much as 80%. Accurate current sharing among the four phases is achieved by precision design techniques and trimming of critical elements.

FEATURES
• Allows use of small surface mount components
• Ultra fast transient recovery time
• Wide, High frequency operating range
• Selectable 2, 3, 4 phase operation
• Floating feedback ground for remote sensing
• Precision load current sharing
• Selectable internal or external clock
• Soft start, Over current protection
• 5-bit DAC programmable output
• programmable clock, 200Khz-2Mhz per phase

APPLICATIONS
• High end servers and workstations
• High current/Ultra-fast transient microprocessors
• Voltage Regulator Modules

 

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SC1144 有关数据资料列表

零件编号产品描述(功能)PDF生產廠家
LM2639 5-Bit Programmable, High Frequency Multi-phase PWM Controller LM2639 View National ->Texas Instruments
FAN5071 High Performance Programmable Synchronous DC-DC Controller for Multi-Voltage Platforms FAN5071 View Fairchild Semiconductor
FAN5059 High Performance Programmable Synchronous DC-DC Controller for Multi-Voltage Platforms FAN5059 View Fairchild Semiconductor
ISL6556BCB Optimized Multi-Phase PWM Controller with 6-Bit DAC and Programmable Internal Temperature Compensation for VR10.X Application ISL6556BCB View Intersil
ISL6590 Digital Multi-Phase PWM Controller for Core-Voltage Regulation ISL6590 View Intersil
RT8856 Multi-Phase PWM Controller for CPU Core Power Supply RT8856 View Richtek Technology
RT9248A Multi-Phase PWM Controller for CPU Core Power Supply RT9248A View Richtek Technology
RT9246 Multi-Phase PWM Controller for CPU Core Power Supply RT9246 View Richtek Technology
RT9246A Multi-Phase PWM Controller for CPU Core Power Supply RT9246A View Richtek Technology
RT9247 Multi-Phase PWM Controller for CPU Core Power Supply RT9247 View Richtek Technology

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