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MP2935 Datasheet(PDF) 9 Page - Monolithic Power Systems

Part # MP2935
Description  4-Phase PWM Controller for VR12.5 Applications
PDF  42 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2935 Datasheet(HTML) 9 Page - Monolithic Power Systems

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MP2935 — 4-PHASE PWM CONTROLLER FOR VR12.5 APPLICATIONS
MP2935 Rev. 1.02
www.MonolithicPower.com
9
8/25/2015
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2015 MPS. All Rights Reserved.
PIN DEFINITION (continued)
Pin #
Name
I/O
Description
27
SLOPE
I
PWM Slope Current Input. Connect a 100KΩ resistor from VIN (system’s
12V input voltage) to this pin to set the internal slope for PWM comparator.
28
OCPSET
I
Total Current Limit Setting.
29
AAMB
I
Combine with AAM pin, this pin sets the AAM mode threshold voltage.
30
VCLAMP
I
Connect a resistor to ground to set the per phase current limit.
31
COMP
I/O
Error Amplifier Output.
32
FB
I
Inverting Input of Error Amplifier.
33
IDROOP
O
Droop Current Output. Sources current that is proportional to the sensed
output current.
34
VDIFF
O
Differential Amplifier Output.
35
VOSEN
I
Remote Core Voltage Sense Input. Connect to VCCSENSE at
microprocessor die.
36
GNDSEN
I
Remote Voltage Sensing Return. Connect to ground at microprocessor die.
37
IREF
I
Internal Bias Current Set. Connect an 80.6kΩ resistor from IREF to GND.
38
EN
I
Chip Enable.
39
VCC
I
5V supply voltage for the controller. Need a 1μF capacitor for decoupling.
40
VDD
O
3.3V LDO output for internal digital circuit only. Need a 1μF capacitor for
decoupling. Do not connect to any other load.
PAD
GND
I/O
Ground.



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