6-18 Source-Measure Concepts 2400 Series SourceMeter
®
User’s Manual
Models 2425 and 2430 SourceMeters
The general operating boundaries for the Models 2425 and 2430 are shown in Figure 6-7.
The boundaries for the Model 2425 and Model 2430 DC Mode are shown in Figure 6-7A,
and the boundaries for the Model 2430 Pulse Mode are shown in Figure 6-7B.
Model 2425 and Model 2430 DC Mode
In Figure 6-7A for the Model 2425 and Model 2430 DC Mode, the 3A, 20V and 1A, 100V
magnitudes are nominal values. The actual maximum output magnitudes of the
SourceMeter are 3.15A, 21V and 1.05A, 105V.
These operating boundaries are valid only if the SourceMeter is being operated in an envi-
ronment where the ambient temperature is 30˚C or less.
NOTE Above 30˚C, high power operation could overheat the SourceMeter, causing the
output to turn off. See “Overheating protection,” page 6-6, and “Power equa-
tions to avoid shutdown,” page 6-7, for details.
The heavy solid lines show the limits for continuous output operation. Note that in quad-
rants II and IV (sink operation), the limits for the 3A and 1A ranges are derated as follows:
3A Range – Limits linearly derated from: -3A, 0V to -2A, 20V
3A, 0V to 2A, -20V
1A Range – Limits linearly derated from: -1A, 0V to -0.5A, 100V
1A, 0V to 0.5A, -100V
If the output duty cycle is decreased to 60% or less, sink operation limits are restored to
normal as shown by the dotted lines in Figure 6-7.
Model 2430 Pulse Mode
In Figure 6-7B for the Model 2430 Pulse Mode, the 10A and 100V magnitudes are nomi-
nal values. The actual maximum output magnitudes of the SourceMeter are 10.5A and
105V.
These operating boundaries are valid only if the SourceMeter is being operated in an envi-
ronment where the ambient temperature is 30˚C or less.
NOTE Above 30˚C, high power operation could overheat the SourceMeter, causing the
output to turn off.
The heavy solid lines show the limits for an output duty cycle of 8%. Note that in quad-
rants II and IV (sink operation), the limits for the 10A range are derated as follows:
10A Range – Limits linearly derated from: -10A, 0V to -6A, 100V
10A, 0V to 6A, -100V
If the output duty cycle is decreased to 5% or less, sink operation limits are restored to
normal as shown by the dotted lines in Figure 6-7B.
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