參數(shù)資料
型號(hào): LTC3738CUHF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 3-Phase Buck Controller for Intel VRM9/VRM10 with Active Voltage Positioning
中文描述: 5 A SWITCHING CONTROLLER, 630 kHz SWITCHING FREQ-MAX, PQCC38
封裝: 7 X 5 MM, PLASTIC, M0-220WHKD, QFN-38
文件頁數(shù): 6/32頁
文件大?。?/td> 316K
代理商: LTC3738CUHF
6
LTC3738
3738f
Short-Circuit Arming and Latchoff
vs Temperature
Supply Current vs Temperature
Shutdown Current
vs Temperature
TEMPERATURE (
°
C)
–45
2.0
2.5
3.0
S
5.0
45
3738 G10
3.5
4.5
4.0
–30
90
0
–15
15
75
30
60
ARMING
LATCHOFF
TEMPERATURE (
°
C)
–45
1.9
2.1
2.3
S
2.9
45
3738 G11
2.5
2.7
–30
90
0
–15
15
75
30
60
TEMPERATURE (
°
C)
–45
25
30
40
S
μ
A
65
45
3738 G12
50
60
35
45
55
–30
90
0
–15
15
75
30
60
SS Pull-Up Current
vs Temperature
Maximum Current Sense
Threshold vs Duty Factor
Peak Current Threshold vs V
ITH
TEMPERATURE (
°
C)
–45
0
0.5
1.0
S
μ
A
2.5
45
3738 G13
1.5
2.0
–30
90
0
–15
15
75
30
60
DUTY FACTOR (%)
0
0
I
S
75
60
3738 G14
50
25
20
100
40
80
V
ITH
(V)
0
–20
–10
0
I
S
10
30
20
40
50
90
80
70
60
1.6
3738 G15
0.8
2.4
1.2
0.4
2.0
Percentage of Nominal Output
vs Peak I
SENSE
(Foldback)
Maximum Duty Factors
vs Temperature
Total I
SENSE
Current vs V
OUT
PERCENTAGE OF NOMINAL OUTPUT VOLTAGE (%)
0
0
P
S
10
30
40
50
80
70
70
3738 G16
20
60
30
100
50
10
90
60
20
40
80
TEMPERATURE (
°
C)
–45
90
92
94
M
100
45
3738 G17
96
98
–30
90
0
–15
15
75
30
60
V
PLLFLTR
= 0V
V
OUT
(V)
0
–180
T
S
μ
A
–160
–120
–100
–80
1.2 1.4 1.6 1.8
0
3738 G18
–140
0.2 0.4 0.6 0.8
1
2
–60
–40
–20
TYPICAL PERFOR U
T
A
= 25
°
C unless otherwise noted.
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