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参数资料
| 型号： | 40IMX15-05-9RI |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 12.8 W DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 8/16页 |
| 文件大小： | 401K |
| 代理商： | 40IMX15-05-9RI |
IMX/IMY 15 Series
DC-DC Converters <40 Watt
Rugged Environment
Edition 6/7.99
16/16
MELCHER
The Power Partners.
Description of Option
Option -8
Extended Temperature Range
Extension of the temperature range from standard
–25...71
°C to –40...85°C. In the upper temperature range
the output power derating below should be observed. The
modules will provide the specified ouptut power with free air
convection cooling.
Option K
Alternative Pinout
Option K configures the electrically isolated double outputs
to the alternative pinout with outputs connected in series
(Vo+/Go/Vo–) and common ground.
However instead of using units with option K, it is recom-
mended to use the standard double output units by provid-
ing the printed circuit board with an additional pin hole (for
pin 12 of double output units) connected to pin hole 13. This
will provide more design-in flexibility since by that both
pinouts may be used on the same PCB.
Option i
Inhibit
Excluces shut down and option K.
The output(s) of the converter may be enabled or disabled
by means of a logic signal (TTL, CMOS, etc.) applied to the
inhibit pin. No output voltage overshoot will occur when the
unit is turned on. If the inhibit function is not required the
inhibit pin should be connected to Vi– to enable the output
(active low logic, fail safe).
Converter operating:
–10 V...0.8 V
Converter inhibited
or inhibit pin left open:
2.4 V...
Ui max
Fig. 31
If the inhibit is not used the inhibit pin should be con-
nected to Vi–
Vi+
Vi –
i
06070
Option -9
Extended ambient temperature range –40...71
°C.
Option R
R Input and Magnetic Feedback
R specifies magnetic feedback from the output for closer
regulation of the output voltages of double output units. It is
especially suited for applications where the two outputs are
either connected in parallel or in series to form one strong
and tight regulated output. It enables the adjustment of the
output voltages via the R-input on the secondary side by an
external resistor or an external voltage source in the range
of approximative 80...105% of
Uo nom. Option R excludes
the Trim input (see also table:
Pin allocation), option K as
well as the possibility to operate several converters with the
outputs connected in parallel.
1.2
1.0
0.8
0.6
0.4
0
20
–20
60
0.2
40
80
Po/Po max
TA [°C]
–40
0
11047
Fig. 30
Maximum allowed output power versus ambient tempera-
ture.
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