21
The maximum collector voltage is 5V, and the maximum collector current is 12mA.
Refer to the implementation circuit and Table of logics below for recommendations for driving
Logic Level circuits with open collector signal outputs.
Table of Logics
Auxiliary Voltage
Logic Voltage
R1
R2
Vhigh
Vlow
Isink max
12V
12 Volt Logic
12K Ohms
Open
12V
0.4V
12mA
12V
5 Volt Logic
10K Ohms
7K Ohms
4.9V
0.45V
12mA
12V
3.3 Volt Logic
10K Ohms
3.9K Ohms
3.2V
0.4V
12mA
5V
5 Volt Logic
5K Ohms
Open
5V
0.36V
12mA
5V
3.3 Volt Logic
5K Ohms
10K Ohms
3.3V
0.36V
12mA
CoolMod Power Good Signal (CmG-H)
The Output Signal Connector (J1001-J1006) does not indicate Power Good status of the CmG
or CmH modules, each channel has a Power Good signal which indicates if there is a voltage
on the output pins.
The Power Good signal is the unbiased open collector of an optocoupler that is available on
the Module Signal Connector J1 via the collector on +PG and the emitter on -PG.
Summary of Contents for CoolX1800
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