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MP2935 Datasheet(PDF) 5 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) 5 Page - Monolithic Power Systems

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MP2935 — 4-PHASE PWM CONTROLLER FOR VR12.5 APPLICATIONS
MP2935 Rev. 1.02
www.MonolithicPower.com
5
8/25/2015
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2015 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (continued)
VCC = 5 V, GNDSEN = GND, EN = VCC, VID = 0.50 V to 3.04 V, Current going into pin is positive.
TA = -10°C to +100°C, unless otherwise noted.
Parameter
Symbol
Conditions
Min
Typ
Max
Units
CURRENT-SENSE AND OVERCURRENT PROTRECTION
Current Limit Level
IVCM_OC
ROCPSET=80.6kΩ, sink current
from VCM pin
1.27
mA
IVCM= -400µA
-24
-25
-26
μA
Droop Current
IDRP
IVCM= +400µA
24
25
26
μA
CURRENT BALANCE AMPLIFIER
Common Mode Range
(5)
V
CS_CM
1.0
3.5
V
Input Current
ICS
CSx=4V
1
μA
Masked Off-Time
(5)
t
OFFMSKD
Measured from PWM turn-off
350
ns
SYSTEM INTERFACE CONTROL INPUTS
EN
EN Low Threshold Voltage
VIL(EN)
0.4
V
EN High Threshold Voltage
VIH(EN)
0.8
V
EN High Threshold Hysteresis
Voltage
VIH(EN)
100
mV
Enable High Leakage
IIH(EN)
EN=1.1V
2
µA
Enable Delay
T3
VCC≥UVLO, Vboot is not 0V,
EN high to Vout ramping (see
Figure 13)
2
5
ms
THERMAL THROTTLING CONTROL
VTEMP ADC
Register 17h=64h (100°C)
0.9
V
VRHOT# Low Output
Impedance
IVRHOT# = 20mA, TA=25
oC
8
10
Ω
VRHOT# High Leakage Current
-1
1
µA
IMON OUTPUT
IMON Current
IMON
IVCM= +400µA
24
25
26
μA
IMON Clamp Voltage
VIMONMAX
IMON = Float, IVCM = 400μA
1.3
V
IMON ADC
Register 15h=C8h
1
V
IMON ADC
Register 15h=64h
0.5
V
VRRDY COMPARATOR
Under-Voltage Threshold
VDIFF
(UV)
Relative to nominal DAC
voltage
−300
mV
Relative to nominal DAC
voltage
400
mV
Over Voltage Threshold
VDIFF
(OV)
Absolute voltage
3.30
V
Output Low Voltage
VVRRDY (L)
IVRRDY(SINK) = 4mA
60
250
mV
Output High Leakage
IVRRDY
VVRRDY = 3.3V
1
μA
Relative to GNDSEN, VDIFF
falling
−300
mV
Reverse Voltage Detection
Threshold
(5)
VOSEN (RV)
Relative to GNDSEN, VDIFF
rising
−100
mV



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