Series 2280S Precision Measurement, Low Noise, Programmable DC Power Supplies
Protection
Overvoltage Protection (OVP)
Setting Accuracy
2280S-32-6
ꢀ0.25% + 0.25 V)
125 mV
2280S-60-3
ꢀ0.25% + 0.5 V)
250 mV
Resolution
Response Time
6 ms ꢀtypical)9
2280S-32-6
ꢀ0.25% + 0.10 A)
25 mA
6 ms ꢀtypical)9
2280S-60-3
ꢀ0.25% + 0.10 A)
12.5 mA
Overcurrent Protection (OCP)
Setting Accuracy
Resolution
Response Time
6 ms ꢀtypical)9
2280S-32-6
>93 °C ꢀtypical)
6 ms ꢀtypical)9
6 ms ꢀtypical)9
2280S-60-3
>93 °C ꢀtypical)
6 ms ꢀtypical)9
Overtemperature Protection (OTP)
Output Turn-off Temperature
Response Time
Other Timing Data
CV to CC Transition Time
CC to CV Transition Time
Function Change
V-Set = 5 V, I-limit = 0.5 A, Resistive Load change 25 Ω to 2.5 Ω: 2.4 ms.
V-Set = 5 V, I-limit = 0.5 A, Resistive Load change 2.5 Ω to 25 Ω: 1.1 ms.
From detection of bus command to function change completed: 10 ms (typical).
From detection of bus command to voltage beginning to decrease: 5 ms (typical).
6 ms (typical)9.
Output Off/On
Reverse Leads Actuation
General
Common Mode Current
< 6 µA peak-peak.
Chassis Isolation
240 V, any terminal to chassis. >1 GΩ in parallel with <6.8 nF.
Temperature Coefficient
Add the following to all accuracy specifications when outside the range, 23 °C 5 °C:
(0.15 × specification)/°C for 0 ° to 18 °C and 28 ° to 40 °C.
Measurement Display Modes
Voltage and current, voltage only, current only.
Measurement Acquisition Control Continuous, Manual, External digital input, PC bus.
List Mode
Maximum number of stored lists: 9.
Number of points in a list: 2–99.
List Storage Location: Internal memory or USB memory stick.
Math and Filter Functions
REL
Mx+b
Removes offset from current reading display, Range: –1×106 to +1×106.
Reading = x, M = –1×106 to +1×106, b = –1×106 to +1×106.
Moving average, Count 2–100, Window 0.01% to 100%.
Filter
Memory Buffer
2500 locations; each location contains voltage measurement, current measurement, CV/CC Mode, and
time stamp, NVRAM.
9
Time defined as from detection of condition to start of output turn-off.
TEK.COM
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