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Rev.09.10.07
eighth-brick series
3 of 31
TechnicalReferenceNote-EIGHTH-BRICKSERIES
Single Output Performance Products
Signal Electrical Interface
Reliability and Service Life
Isolation
Characteristic
Symbol
Min
Typ
Max
Units
Notes and Conditions
Input to output test voltage
2250
Vdc
Test duration 1 s
Input to output capacitance
1200
pF
Input to output resistance
10
M
Measured with 500 Vdc
Input to output insulation system
Basic
Characteristic - Signal Name
Symbol
Min
Typ
Max
Units
Notes and Conditions
A
Att rre
em
mo
otte
e O
ON
N//O
OFFFF ((cco
on
nttrro
oll)) p
piin
n
S
Se
ee
e N
No
otte
ess 1
1 aan
nd
d 2
2
Open collector or equivalent
compatible
Control pin open circuit voltage
Vih
2.8
4.5
VIih = 0 A; open circuit voltage
High level input voltage
Vih
2.4
V
Converter guaranteed ON
when control pin is
greater than Vih (min)
High level input current
Iih
10
A
Current flowing into control pin
when pin is pulled high
(max. at Vih = 75 V)
Acceptable high level
Iih (leakage)
-10
A
Acceptable leakage current from
leakage current
signal pin into the open collector
driver (neg = from converter)
Low level input voltage
ViI
-0.3
0.4
V
Converter guaranteed off
when control pin is
less than Vil (max)
Low level input current
Iil (max)
-0.45
-0.5
mA
ViI = 0.0 V, maximum source
current from converter with
short circuit
Common Protection/Control
Characteristic
Symbol
Min
Typ
Max
Units
Notes and Conditions
Overtemperature shutdown
Tots
120
125
130
C
Hotspot temperature,
threshold
non-latching shutdown
protection. See Application
Note 138
Remote sense compensation
10
%
% of Vo (nom), compensation
includes trim
Characteristic
Symbol
Min
Typ
Max
Units
Notes and Conditions
Mean time between failure
MTBF
4,034,120
Hours
Telcordia Tech. SR-332
Tamb = 25 C, Tcase = 20 C rise
airflow = 400 LFM,
Vin = Vin (nom),
Iout = 50% Iout (max)
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