參數(shù)資料
型號(hào): MAX1939EEI
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 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
文件頁數(shù): 10/24頁
文件大小: 586K
代理商: MAX1939EEI
M
Two-Phase Desktop CPU Core Supply Controllers
with Controlled VID Change
10
______________________________________________________________________________________
REFERENCE VOLTAGE vs. TEMPERATURE
M
TEMPERATURE (
°
C)
R
80
60
40
20
0
-20
1.992
1.994
1.996
1.998
2.000
1.990
-40
100
V
IN
= 12V
V
= 1.45V
NO LOAD
FB VOLTAGE vs. TEMPERATURE
M
TEMPERATURE (
°
C)
F
60
35
10
-15
0.795
0.800
0.805
0.810
0.790
-40
85
V
= 12V
NO LOAD
V
OUT
= 0.8V
FB VOLTAGE vs. TEMPERATURE
M
TEMPERATURE (
°
C)
F
80
60
40
20
0
-20
1.450
1.455
1.460
1.465
1.445
-40
100
V
= 12V
NO LOAD
V
OUT
= 1.45V
OUTPUT VOLTAGE:
200mV/div
POK SIGNAL
40
μ
s/div
VID CODE CHANGE ON-THE-FLY WITH 40A
LOAD 1.2V TO 1.45V TO 1.2V
VID CODE CHANGE
CONTROL SIGNAL
OUTPUT VOLTAGE:
200mV/div
POK SIGNAL
40
μ
s/div
MAX1937 toc21
VID CODE CHANGE ON-THE-FLY WITH 1A
LOAD 1.2V TO 1.45V TO 1.2V
VID CONTROL
SIGNAL
Typical Operating Characteristics (continued)
(V
IN
= 12V, V
OUT
= 1.45V, T
A
= +25
°
C, unless otherwise noted.)
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