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參數資料
| 型號： | MI-PC21L-MW |
| 廠商： | Vicor Corporation |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Military DC-DC Power Supplies |
| 中文描述： | 軍事的DC - DC電源 |
| 文件頁數： | 3/4頁 |
| 文件大?。?/td> | 150K |
| 代理商： | MI-PC21L-MW |
Long Term Safe Operating Area Curves*
Disable Circuit
Thermal Considerations
20 mA Max.
Disable
DIS+
DIS–
+
V
VOLTS-PEAK
VALUE
OF
SPIKE
VOLTAGE
TIME (SECONDS)
1s
0
10
100ms
-1
10
10ms
-2
10
1ms
-3
10
100
s
-4
10
s
-5
10
1
s
-6
10
-600
-500
-400
-300
-200
-100
0
100
200
300
400
500
600
Ratings Exceeded
Reverse Polarity
Protection
50V
OVP
VOLTS-PEAK
VALUE
OF
SPIKE
VOLTAGE
TIME (SECONDS)
1s
0
10
100ms
-1
10
10ms
-2
10
1ms
-3
10
100
s
-4
10
s
-5
10
1
s
-6
10
600
400
200
0
200
400
600
800
Ratings Exceeded
Reverse Polarity
Protection
500V
OVP
400V
28Vdc Input
270Vdc Input
* 1% duty cycle max., for short duration transient capability refer to specifications
Thermal impedance, chassis-to-air, is provided for 1-up, 2-up and 3-up MI-ComPAC
package configurations as a function of air flow.
Case temperature = (total power dissipated x thermal impedance) + ambient temperature.
Watts dissipated per output = (output power ÷ efficiency) – output power.
(1) To order optional heat sink add –H1 to part number
Thermal Impedance — Case-to-Air (°C/W)
Standard Units
With Optional Heat Sink (1)
1-up
2-up
3-up
1-up
2-up
3-up
Free Air (Horiz.)
3.6
1.7
1.4
2.1
1.3
1.0
Forced Convection Through Heat Sink Fins
50 LFM
2.7
1.4
1.3
1.5
1.1
0.9
100 LFM
2.3
1.3
1.1
1.2
0.9
0.7
250 LFM
1.6
1.0
0.8
0.7
0.5
0.4
500 LFM
1.2
0.7
0.6
0.4
0.3
750 LFM
0.9
0.5
0.3
0.2
1000 LFM
0.8
0.4
0.2
Disable Current
4mA DC minimum for 1-up ComPAC
8mA DC minimum for 2-up ComPAC
12mA DC minimum for 3-up ComPAC
The MI-ComPAC incorporates an optically isolated master disable input which will shut down the
MI-ComPAC when a current is driven through the disable terminals.
MI-ComPAC 11/02
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| MI-PC21L-MX | Military DC-DC Power Supplies |
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| MI-PC21M-MV | Military DC-DC Power Supplies |
| MI-PC21M-MW | Military DC-DC Power Supplies |
| MI-PC21M-MX | Military DC-DC Power Supplies |
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