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參數資料
| 型號： | MAX1939 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Two-Phase Desktop CPU Core Supply Controllers with Controlled VID Change |
| 中文描述： | 雙相、臺式機CPU核電源控制器，帶有受控的VID調節(jié) |
| 文件頁數： | 4/24頁 |
| 文件大?。?/td> | 586K |
| 代理商： | MAX1939 |
M
Two-Phase Desktop CPU Core Supply Controllers
with Controlled VID Change
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 12V, V
EN
= V
VDD
= 5V, PGND = GNDS = GND = 0, VID_ = GND, C
VPOS
= 47pF, C
REF
= 0.1μF, V
ILIM
= 1V,
T
A
= 0
°
C to
+85
°
C
, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
CONDITIONS
DH_ On-Resistance in Low State
V
BST1
= V
BST2
= 6V, LX1 = LX2 = GND
DH_ On-Resistance in High State
V
BST_
= 6V, LX_ = GND
DL_ On-Resistance in Low State
DL_ On-Resistance in High State
BST_ Leakage Current
V
BST_
= 30V, V
LX_
= 24V
LX_ Leakage Current
V
BST_
= 30V, V
LX_
= 24V
EN AND VID
Low Level Threshold
High Level Threshold
Pullup Resistance
Internally pulled up to V
DD
PWRGD
PWRGD Upper Trip Level
PWRGD Lower Trip Level
Output Low Level
Output High Leakage
CONTROLLED VID CHANGE
R
TIME
= 120k
R
TIME
= 47k
Rate
R
TIME
= 470k
VID_ Change Frequency Range
PWRGD Blanking Time
V
VDD
= 4.5V to 5.5V
MIN
TYP
1.5
1.5
0.5
1.5
100
12.5
-12.5
MAX
3.0
3.0
1.7
3.0
50
50
0.8
200
15.0
-10
0.4
1
7.25
2.99
29.9
380
350
UNITS
μA
μA
V
V
k
%
%
V
μA
1.6
50
10.0
-15
6.17
2.35
23.5
38
125
6.67
2.63
26.3
200
On-the-Fly VID Change Slew
25mV per step
μs
kHz
μs
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| MAX1940EEE+ | 功能描述:電源開關 IC - USB Triple USB Switch w/Autoreset RoHS:否 制造商:Micrel 電源電壓-最小:2.7 V 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-8 封裝:Tube |
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