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參數(shù)資料
| 型號： | 48S5.8XT |
| 英文描述： | Dual/Triple Ultra-Low-Voltage SOT23 µP Supervisory Circuits |
| 中文描述： | 開關(guān)電源控制器 |
| 文件頁數(shù)： | 7/8頁 |
| 文件大小： | 161K |
| 代理商： | 48S5.8XT |
45 Watt XT Single Series DC/DC Converters
2401 Stanwell Drive Concord, California 94520 Ph: 925/687-4411 or 800/542-3355 Fax: 925/687-3333 www.calex.com Email: sales@calex.com
7
3/2001
Typical Performance (Tc=25
°
C, Vin=Nom VDC, Rated Load).
0
10
20
30
40
50
60
70
80
90
100
LOAD (%)
50
55
60
65
70
75
80
85
90
E
24 VOLT EFFICIENCY Vs. LOAD
LINE =
LINE =
24VDC
LINE =
36VDC
8
12
16
20
24
28
32
36
LINE INPUT(VOLTS)
50
55
60
65
70
75
80
85
90
E
24 VOLT EFFICIENCY Vs. LINE INPUT VOLTAGE
45W LOAD
25W LOAD
0
5
10
15
20
25
30
35
40
LINE INPUT (VOLTS)
0
1
2
3
4
5
6
7
I
24 VOLT INPUT CURRENT Vs. LINE INPUT VOLTAGE
45W LOAD
25W LOAD
0
10
20
30
40
50
60
70
80
90
100
LOAD (%)
50
55
60
65
70
75
80
85
90
E
48 VOLT EFFICIENCY Vs. LOAD
LINE =
20VDC
LINE =
48VDC
LINE =
72VDC
20
30
40
50
60
70
80
LINE INPUT(VOLTS)
60
65
70
75
80
85
90
E
48 VOLT EFFICIENCY Vs. LINE INPUT VOLTAGE
45W LOAD
25W LOAD
0
10
20
30
40
50
60
70
80
LINE INPUT (VOLTS)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
I
48 VOLT INPUT CURRENT Vs. LINE INPUT VOLTAGE
45W LOAD
25W LOAD
8
12
16
20
24
28
32
36
LINE INPUT (VDC)
70
75
80
85
90
95
100
105
110
O
3.3 AND 5 VOLT 24S MODELS INPUT DERATING
8
12
16
20
24
28
32
36
LINE INPUT (VDC)
70
75
80
85
90
95
100
105
110
O
12 AND 15 VOLT 24S MODELS INPUT DERATING
-40
-20
0
20
40
60
80
100
CASE TEMPERATURE (Deg C)
-0.4
-0.3
-0.2
-0.1
0.0
0.1
0.2
N
OUTPUT VOLTAGE Vs. CASE TEMPERATURE
0
20
40
60
80
100
120
140
160
OUTPUT LOAD (%)
0
20
40
60
80
100
120
N
OUTPUT VOLTAGE Vs. OUTPUT LOAD
CURRENT LIMIT MODE
→
"HICKUP" MODE
→
100
1000
10000
100000
1000000
FREQUENCY (Hz)
.01
.1
1
O
TYPICAL OUTPUT IMPEDANCE Vs. FREQUENCY
NOTES ON USING THE CURVES
These curves were generated for 12 volt output models. To use for other models, adjust the efficiency values as shown:
3.3 volt models .................................subtract approximately 4%
5.0 volt models .................................subtract approximately 3%
15.0 volt models ...............................add approximately 1%
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