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Output Connections and Operating Information56
CC Operation
For CC operation, set the output voltages as outlined in CV operation (page 55), or alternatively, program the voltage
settings of both outputs to the same voltage limit point. Then program the current of each output so that the sum of both
currents equals the total desired operating current. The simplest way to accomplish this is to program each output to one
half of the total desired operating current. Both outputs will operate in the CC mode.
Remote Sensing
If it is necessary to remote voltage sense at the load, parallel the sense leads of output 1 with the sense leads of output 2
and connect to the load as shown in Figure 4-12. The outputs can be programmed as previously described. Additional
information on programming outputs connected in parallel is given in Appendix B.
Figure 4-12. Parallel Connections with Remote Sensing
Specifications for Parallel Operation
Specifications for outputs operating in parallel can be obtained from the specifications for single outputs. Most
specifications are expressed as a constant or as a percentage (or ppm) plus a constant. For parallel operation, the
percentage portion remains unchanged while constant portions or any constants are changed as indicated below. For
current readback accuracy and temperature coefficient of current readback, use the minus current specifications:
Current All parallel specifications referring to current are twice the single output specification except for
programming resolution which is the same for both single output and parallel output operation.
Voltage All parallel specifications referring to voltage are the same as for a single output except for CV load
effect, CV load cross regulation, CV source effect, and CV short term drift. Below 2.5 V, these are
all twice the voltage programming accuracy (including the percentage portion). CV load effect
above 2.5 V could be twice the load effect specification for a single output. CV output noise for
output voltages less than 2.5 V may be slightly higher than the output noise for a single output.
Load Transient
Recovery Time
350µs maximum to recover within 100 mV of nominal value following a load change within the
range of 0 to full load.