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參數(shù)資料
| 型號： | IMS30 |
| 英文描述： | Dual outputs 5V & 3.3V ; 3.3V & 1.8V |
| 中文描述： | 5V的雙輸出 |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 1153K |
| 代理商： | IMS30 |
Functional Description
The IMS 30 series of DC-DC converters are magnetic feed-
back controlled forward converters using current mode
PWM (Pulse Width Modulation).
This product range features synchronous rectifiers deliver-
ing in very high efficiency. The output voltage of these ver-
sions can be adjusted via the Trim input. The Trim input is
referenced to the secondary side and allows for program-
ming of the output voltage in the range of approximately 90
to 110% of
U
o nom
using an external resistor.
The voltage regulation is achieved with a magnetic feed-
back circuit providing excellent line and load regulation.
Current limitation is provided by the primary circuit, thus
limiting the total output power to approx. 130% of
P
o nom
(see:
Type Survey)
. The shut down input allows remote
converter on/off.
Overtemperature protection will shut down the unit in ex-
cessive overload conditions with automatic restart.
Fig. 1
Block diagram (-0503, -0302 Outputs )
PWM
4n7F
1500 V
17
1
2
4
11
15
Vi+
SD
PUL
i
Vi–
Uo2+
Com
Trim
3
W
Type Key
48 IMS 30 - 0503 -9 G i
Input voltage range
U
i
....
..............
.................. 48
Series ......................................................................IMS 30
Output voltage type output .................... ( 5.1 and 3.3Vout)
Operating ambient temperature range
T
A
–40...71
°
C .................................................. -9
Synchronous rectifier ...................................................... G
Option:
Inhibit ............................................................ i
Type Survey and Key Data
Table 1: Type survey
Output 1
Output power
P
o nom
[W]
Input Voltage Range and Efficiency
U
i min
...
U
i max
32...75 V DC
Option
U
o1 nom
[V DC]
I
o1 nom
[A]
typ
[%]
5.1
3.3
4.5
4
.0
30
22
48 IMS 30-0503-9G
48 IMS 30-0302-9G
87
83
i
i
Output 2
[V DC]
U
3.3
1.8
o1 nom
I
[A]
6.0
5
.0
Uo1+
2/11
13
32...75 V DC
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