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参数资料
| 型号： | CQ2660-9R |
| 元件分类： | 电源模块 |
| 英文描述： | 2-OUTPUT 106 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | METAL, CASE Q01, MODULE |
| 文件页数： | 8/25页 |
| 文件大小： | 747K |
| 代理商： | CQ2660-9R |
Cassette Style
DC-DC Converters
Q Series
Edition 5/5.2000
16/25
Output
Control
Circuit
22
20
Out OK+
Out OK—
+
Rp
UOK
IOK
1 k
51 V
Up
06096
Caution: The Out OK is protected by an internal series
resistor and a Zener diode. To prevent damage, the ap-
plied current
IOK should be limited to
±10 mA maximum.
Out OK
Rp
Load 1
Load 2
Vo2+
Vo1–
Vo2–
S–
S+
Vo1+
Double output
Vi–
Vi+
i
Out OK –
Out OK+
Vo1–
S–
Vo1+
S+
Single output
Vi–
Vi+
i
Out OK –
Out OK+
06095
Table 9: Output OK data
Characteristics
Conditions
min
typ
max
Unit
UOK
Out OK voltage
good:
Ut1 low < Uo1 < Ut1 high, IOK < 0.5 mA 1
0.8
1.5
V
IOK
Out OK current
error:
Uo1 < Ut1 low, UOK ≤ 15 V
25
A
error:
Uo1 > Ut1 high, UOK ≤ 15 V
1 Higher current capability is available on request.
Output good signal (Out OK)
The isolated Out OK output gives a status indication of the
module and the output voltage. It can be used for control
functions such as data protection, central system monitor-
ing or as a part of a self-testing system. It can be connected
to get a centralized fault detection or may be used for other
system specific applications at the primary or the second-
ary side of the converter.
Connecting the Out OK as per figure below,
UOK
<1.5 V
indicates that the output voltage
Uo1 of the converter is
within the range
Ut1 low...Ut1 high. Ut1 low corresponds with
0.95...0.98
Uo1 normal, Ut1 high with 1.02...1.05 Uo1 normal,
where
Uo1 normal is the effective output voltage appearing in
normal condition. (Using the R-input or the option P, the
monitor level is tracking the programmed output voltage.) In
case of an error condition, i.e. the output voltage
Uo1 is out
of the range
Ut1 low...Ut1 high due to an overload condition or
to an external overvoltage,
UOK will be almost as high as the
voltage
Up.
The output is formed by a NPN transistor. The emitter (Out
OK–) can be connected to primary Vi– or secondary Vo1–
to get an open collector output. With several independent
units the Out OK pins can be series-connected in order to
get a system level signal. If one of the units fails the series-
connected outputs rise to a high impedance. This series-
connection can be completed by other transistors providing
extended user specific error information.
Fig. 22
Series connection of the output good signal at the primary
side of the converters for system supervision
Fig. 23
Output OK function
Up
Dimensioning of resistor value
Rp
≥ ––––––
0.5 mA
Test Sockets
Test sockets (for pin diameter 2 mm) are located at the front
of the module monitoring the main output voltage at the
sense line terminals. The test sockets are short circuit pro-
tected by internal series resistors. Test sockets for monitor-
ing the symmetrical output 2 are not available. Double out-
put modules always show the sense line voltage of output 1
at the test sockets only.
Display status of LED's
Table 10: Display status of LED's
LED In OK
LED Out OK
Operating condition
green
normal operation
green
x
incorrect sense line connection
green
off
overtemperature
overload
output overvoltage
output undervoltage
off
green
not possible
off
no input voltage
input voltage too low
inhibit open/high
input voltage too high
x = dependent on actual operating condition
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