參數(shù)資料
型號(hào): MAX1939EEI
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi): 穩(wěn)壓器
英文描述: Two-Phase Desktop CPU Core Supply Controllers with Controlled VID Change
中文描述: SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO28
封裝: 0.150 INCH, 0.025 INCH PITCH, MO-137, QSOP-28
文件頁(yè)數(shù): 4/24頁(yè)
文件大?。?/td> 586K
代理商: MAX1939EEI
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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