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Appendix
A
A
A Specifications
This appendix describes the electrical, environmental, and mechanical specifications of the cPB-4612. It
includes connector descriptions and pin outs, as well as illustrations of the board dimensions and
connector locations.
A.1 Electrical
and
Environmental
The topics listed below provide tables and illustrations showing the following electrical and environmental
specifications:
•
Absolute maximum ratings
•
DC operating characteristics
•
Battery backup characteristics
A.2 Absolute
Maximum
Ratings
The values below are stress ratings only. Do not operate the cPB-4612 at these maximums. See the "DC
Operating Characteristics" section in this appendix for operating conditions.
Supply Voltage, Vcc:
6.5V
Supply Voltage, Vcc3:
4.5V
Supply Voltage, AUX +:
15V
Supply Voltage, AUX -:
-15V
Storage Temperature (no hard disk):
-40° to +85° Celsius
Storage Temperature (with hard disk):
-40° to +65° Celsius
Non-Condensing Relative Humidity:
<95% at 40° Celsius
A.2.1 DC Operating Characteristics
Supply Voltage, Vcc:
4.85 minimum to 5.25V maximum
Supply Voltage, Vcc3:
3.20 minimum to 3.47V maximum
Supply Voltage, AUX +:
10.8 minimum to 13.2V maximum
Supply Voltage, AUX -:
-13.2 minimum to -10.8V maximum