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MP2935 датащи(PDF) 4 Page - Monolithic Power Systems

номер детали MP2935
подробное описание детали  4-Phase PWM Controller for VR12.5 Applications
PDF  42 Pages
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производитель  MPS [Monolithic Power Systems]
домашняя страница  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2935 датащи(HTML) 4 Page - Monolithic Power Systems

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MP2935 — 4-PHASE PWM CONTROLLER FOR VR12.5 APPLICATIONS
MP2935 Rev. 1.02
www.MonolithicPower.com
4
8/25/2015
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2015 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
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
VOLTAGE ERROR AMPLIFIER
Error Amplifier Output
Voltage Range
(5)
V
COMP
0.75
4.6
V
t
A
= 25°C. No load, closed-loop, measured
at VOSEN pin to GNDSEN pin. Active
mode range. VID=1.50V to 3.04V
-0.5
+0.5
%
No load, closed-loop, measured at VOSEN
pin to GNDSEN pin. Active mode range.
VID=1.50V to 3.04V
-1
+1
%
t
A
= 25°C. No load, closed-loop, measured
at VOSEN pin to GNDSEN pin. Active
mode range. VID=1.00V to 1.50V
-8
+8
mV
No load, closed-loop, measured at VOSEN
pin to GNDSEN pin. Active mode range.
VID=1.00V to 1.50V
-15
+15
mV
t
A
= 25°C. No load, closed-loop, measured
at VOSEN pin to GNDSEN pin. Active
mode range. VID=0.500V to 1.000V
-10
+10
mV
DC output Accuracy
VOUT
No load, closed-loop, measured at VOSEN
pin to GNDSEN pin. Active mode range.
VID=0.500V to 1.000V
-15
+15
mV
Line Regulation
ΔV
FB
VCC = 4.75 V to 5.25 V
0.3
%
Input Bias Current
I
FB
−1
+1
μA
Output Source Current
I
COMP
FB forced to (V
VID
− 3%), no droop
-3
mA
Output Sink Current
I
COMP
FB forced to (V
VID
+ 3%), no droop
+3
mA
Open Loop Gain
(5)
80
dB
Unity Gain Bandwidth
(5)
GBW
(ERR)
COMP = FB
20
MHz
Slew Rate
(5)
C
COMP
= 10 pF
25
V/μs
REMOTE SENSE AMPLIFIER
Bandwidth
(5)
GBW(RSA)
20
MHz
GNDSEN Current
I
GNDSEN
GNDSEN=0.3V
10
400
μA
VOSEN Current
I
VOSEN
VOSEN=1V
15
50
μA
OSCILLATOR
FSET Voltage
V
FSET
R
FSET
= 64.9kΩ to GND
0.9
1.0
1.1
V
Frequency Setting
f
SW
t
A
= 25°C, R
FSET
= 64.9kΩ, 4-phase
configuration
540
600
660
kHz
In normal mode
0
800
μA
SLOPE Input Current
Range
(5)
I
SLP
In shutdown, or in UVLO, SLOPE = 12 V
−1
+1
μA



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