ORDERING INFORMATION ..............................................................................................................................24
MODEL NUMBERING.........................................................................................................................................25
DATE: Feb. 18, 2003
MODEL :ALT Series
S 3 / 25
ALT Series Technical Reference Note
Electrical Specifications
Unless otherwise indicated, specifications apply over all operating input voltage and
temperature conditions. Standard test condition on a single unit is as following:
Ta(ambient): 25°C
+Vin:
−Vin:
CNT:
+Vo:
−Vo:
COM:
Trim(Vadj):
48V +/
−2%
return pin for +Vin
Open
connect to load
connect to load
connect to load
Open
Input Specifications
Notes: I(out1) is the load of +Vo, I(out2) is the load of –Vo.
Parameter
Operating Input Voltage
Maximum Input Current
(V
I
= 0 to V
I,max
,
I(out1)
=
I(out2)=
Io,max)
Input Reflected-ripple Current
(
5Hz to 20MHz: 12uH source
impedance: T
A
= 25 ºC.)
Device
All
5V
12V
All
Symbol
V
I
I
I,max
I
I,max
I
I
Min
36
-
-
-
Typ
48
-
-
-
Max
75
1.5
1.5
40
Unit
V
DC
A
A
mAp-p
No Load Input Power
(V
I
= V
I,nom
)
All
-
-
-
1
W
CAUTION: This power module is not internally fused. An input line fuse must always be used.
DATE: Feb. 18, 2003
MODEL :ALT Series
S 4 / 25
ALT Series Technical Reference Note
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the
device. These are absolute stress ratings only. Functional operation of the device in not
implied at these or any other conditions in excess of those given in the operational sections
of the IPS. Exposure to absolute maximum ratings for extended periods can adversely affect
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