MP2935 Datasheet: 4-Phase PWM Controller





MP2935 4-Phase PWM Controller Datasheet

Part Number MP2935
Description 4-Phase PWM Controller
Manufacture MPS
Total Page 30 Pages
PDF Download Download MP2935 Datasheet PDF

Features: The Future of Analog IC Technology DESCR IPTION MP2935 is a high-efficiency, 4-p hase, synchronous, buck-switching PWM c ontroller with an SVID interface for hi gh-performance Intel processors. The mu lti-phase PWM output signals can be con figured for up to 4-phase operation wit h interleaved switching. MP2935 adopts three-logic-level PWM outputs for enhan ced noise immunity and flexible fault m anagement. Depending on the power state s set by SVID command, the multi-phase channel can switch between multiphase a nd singlephase operation. In addition, MP2935 supports programmable load-line resistance. As a result, the output vol tage is always optimally positioned for a load transient. The chip also provid es accurate and reliable short-circuit protection with adjustable current limi t threshold and a delayed VR_RDY output that is masked during on-the-fly outpu t voltage changes to eliminate false tr iggering. MP2935 performance is specifi ed over the junction temperature range of -10°C to 125°C. The c.

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The Future of Analog IC Technology
DESCRIPTION
MP2935 is a high-efficiency, 4-phase,
synchronous, buck-switching PWM controller
with an SVID interface for high-performance
Intel processors. The multi-phase PWM output
signals can be configured for up to 4-phase
operation with interleaved switching.
MP2935 adopts three-logic-level PWM outputs
for enhanced noise immunity and flexible fault
management. Depending on the power states
set by SVID command, the multi-phase channel
can switch between multiphase and single-
phase operation. In addition, MP2935 supports
programmable load-line resistance. As a result,
the output voltage is always optimally
positioned for a load transient.
The chip also provides accurate and reliable
short-circuit protection with adjustable current
limit threshold and a delayed VR_RDY output
that is masked during on-the-fly output voltage
changes to eliminate false triggering. MP2935
performance is specified over the junction
temperature range of -10°C to 125°C. The chip
is available in 40-lead QFN package.
MP2935
4-Phase PWM
Controller for VR12.5 Applications
FEATURES
VR12.5 compliant
Multi-Phase Operation at up to 2MHz per
Phase
Tri-State PWM Outputs for Driving MPS
Intelli-PhaseTM Devices
Power-Saving Modes Maximize Efficiency
During Light Load and Deeper-Sleep
Operation
Active Current Balancing between Output
Phases
Independent Current Limit and Load Line
Setting Inputs for Additional Design
Flexibility
8-bit Digitally Programmable 0V to 3.04V
Output through Serial VID Interface
Overload and Short-Circuit Protection with
Latch-Off Delay
Output Current Monitor
Fault Latch Output
Regulator Temperature Monitor
Available in a 6mmx6mm 40-lead QFN
package
APPLICATIONS
Power supplies for next-generation Intel®
processors
All MPS parts are lead-free, halogen free, and adhere to the RoHS
directive. For MPS green status, please visit MPS website under Quality
Assurance.
“MPS” and “The Future of Analog IC Technology” are Registered
Trademarks of Monolithic Power Systems, Inc.
MP2935 Rev. 1.02
www.MonolithicPower.com
8/25/2015
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2015 MPS. All Rights Reserved.
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