CXE15 Single Series | 10.8 to 15W DC/DC
High Efficiency DC/DC converters
Signal Electrical Interface
Characte ristic - Signal Nam e Sym bol
Min
Typ
Max
Units
Note s and Conditions
At remote/control ON/OFF pin
Open collector or equivalent
compatible
See Notes 2 and 3
See Application Note 116 for
Remote On/Off details
Control pin open circuit voltage
V
12
13
10
V
I
= 0 µA; open circuit voltage
ih
ih
High level input current
I
µA
Current flowing into control pin
when pin is pulled high
ih
(max. at V = 75V)
ih
Acceptable high level
leakage current
I
-50
1.2
µA
V
Acceptable leakage current from
signal pin into the open collector
driver (neg = from converter)
ih (leakage)
Low level input voltage
V
0
Converter guaranteed off
when control pin is
iI
less than V (max)
il
Low level input current
Low level input current
I
-1.4
mA
mA
V = 0.4 V
il
iI
I
-1.5
V = 0.0 V;
iI
il (max)
Reliability and Service Life
Characte ristic
Sym bol
Min
Typ
Max
Units
Note s and Conditions
Mean time between failure
MTBF
600,000
Hours
MIL-HDBK-217F,
V
= V
; I
= I
out
in
(max)
in (nom) out
; ambient 25ºC;
ground benign environment
Mean time between failure
MTBF
MTBF
1,000,000
TBD
Hours
per Bellcore TR-NWT-000332
Issue 3, ground benign,
temp. = 40ºC, V = V
,
in (nom)
in
I
= I
out (max)
out
Mean time between failure
Expected service life
Hours
Years
Demonstrated. This entry will be
periodically updated as the
number of test hours increase
Isolation
Characte ristic
Sym bol
Min
Typ
Max
1500
Units
V DC
pF
Note s and Conditions
Input to output test voltage
Input to output capacitance
Input to output resistance
Input to output insulation system
Test duration 1s
1000
100
MΩ
Measured with 500 V DC
Operational
3
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