IMS30 データシートの表示（PDF） - Power-One Inc.
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IMS30 Datasheet PDF : 11 Pages
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Type Survey and Key Data
Table 1: Type survey
Output 1
Uo1 nom
Io1 nom
[V DC]
[A]
5.1
4.5
3.3
4.0
Output 2
U o2 nom
[V DC]
I o1 nom
[A]
3.3
6.0
1.8
5.0
Output power
Po nom
[W]
30
22
Input Voltage Range and Efficiency
Ui min...Ui max
typ
32...75 V DC
[%]
48 IMS 30-0503-9G
87
48 IMS 30-0302-9G
83
Option
i
i
Type Key
Input voltage range Ui
32...75 V DC .................................... 48
Series ...................................................................... IMS 30
Output voltage type output .................... ( 5.1 and 3.3Vout)
Operating ambient temperature range TA
–40...71°C .................................................. -9
Synchronous rectifier ...................................................... G
Option: Inhibit ............................................................ i
48 IMS 30 - 0503 -9 G i
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 Uo 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 Po 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.
Vi+ 1
SD
PUL 4
i
Vi – 2
W3
PWM
4n7F
1500 V
Fig. 1
Block diagram (-0503, -0302 Outputs )
13 Uo1+
11 Uo2+
15 Com
17 Trim
2/11
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