Keithley SourceMeter 2600 Series

Series 2600 System SourceMeters Reference Manual Source-Measure Concepts 8-9
Return to Section 8 topics 2600S-901-01 Rev. A / May 2006
Examples
Example 1:
Using a Model 2611 to charge a 5V battery with 1.5A, while operating at 50°C
ambient temperature; what is the maximum duty cycle?
Assuming the 20V range will be used to measure the voltage:
DC
MAX
56 20–()38 5()–()0()–
38 5()–()1.5()
-------------------------------------------------------------------
100×
2
≤
DC
MAX
≤ 52.9%
Example 2:
Using a Model 2602 to pulse 10A of current from a bias level of 500mA, into a
very low impedance (100 mΩ), while operating at 40°C ambient temperature;
what is the maximum duty cycle?
Assuming the 1V range will be used to measure the voltage:
DC
MAX
56 10–()18 0.1()0.5()–()0.5()–
18 10()0.1()–()10()
-------------------------------------------------------------------------------------------
100×
2
≤
DC
MAX
≤ 4.7%
Example 3:
Using a Model 2612 to charge a 12V battery by sourcing 100mA and then
discharging the battery by sinking 5A, while operating at 35°C ambient
temperature; what is the maximum duty cycle?
Assuming the 20V range will be used to measure the voltage:
DC
MAX
56 5–()38 12()–()0.1()–
38 12–()–()5–()
------------------------------------------------------------------------
100×
2
≤
DC
MAX
≤ 3.7%