User guide

2
Specifi cations
Specifications
(at 0 ° to 55 °C unless otherwise specified)
40 W output 40 W output 80 W output 80 W output 105 W output
Output power
Low-range: voltage, current 0 to 7 V 0 to 20 V 0 to 7 V 0 to 20 V 0 to 35 V
0 to 5 A 0 to 2 A 0 to 10 A 0 to 4 A 0 to 3 A
High range: voltage, current 0 to 20 V 0 to 50 V 0 to 20 V 0 to 50 V —
0 to 2 A 0 to 0.8 A 0 to 4 A 0 to 2 A —
Output combinations
for each model (total number of outputs)
6621A (2) — — 2 — —
6622A (2) — — — 2 —
6623A (3) 1 1 1 — —
6624A (4) 2 2 — — —
6627A (4) — 4 — — —
6623A-J03 (3) Special order option — 2 — — 1
Programming accuracy at 25 °C ± 5 °C
Voltage 0.06% + 19 mV 50 mV 19 mV 50 mV 35 mV
Current 0.16% + 50 mA 20 mA 100 mA 40 mA 30 mA
Readback accuracy at 25 °C ± 5 °C
Voltage 0.05% + 20 mV 50 mV 20 mV 50 mV 35 mV
+Current 0.1% + 10 mA 4 mA 20 mA 8 mA 6 mA
–Current 0.2% + 25 mA 8 mA 50 mA 20 mA 15 mA
Ripple and noise
(peak-to-peak, 20 Hz to 20 MHz;
rms, 20 Hz to 10 MHz)
Constant voltage rms 500 μV 500 μV 500 μV 500 μV 500 μV
peak-to-peak 3 mV 3 mV 3 mV 3 mV 3 mV
Constant current rms 1 mA 1 mA 1 mA 1 mA 1 mA
Load regulation
Voltage 2 mV 2 mV 2 mV 2 mV 2 mV
Current 1 mA 0.5 mA 2 mA 1 mA 2 mA
Load cross regulation
Voltage 1 mV 2.5 mV 1 mV 2.5 mV N/A
Current 1 mA 0.5 mA 2 mA 1 mA N/A
Line regulation
Voltage 0.1% + 1 mV 1 mV 1 mV 1 mV 1 mV
Current 0.06% + 1 mA 01 mA 1 mA 1 mA 1 mA
Transient response time Less than 75 μs for the output to recover to within 75 mV of nominal value following
a load change within specifi cations
Supplemental characteristics
(Non-warranted characteristics determined
by design and useful in applying the product)
40 W output 40 W output 80 W output 80 W output 105 W output
Average programming resolution
Voltage 6 mV 15 mV 6 mV 15 mV 10.5 mV
Current 25 mA 10 mA 50 mA 20 mA 15 mA
OVP 100 mV 250 mV 100 mV 250 mV 175 mV
Output programming response time
(time to settle within 0.1% of full scale output,
after Vset command has been processed)
2 ms 6 ms 2 ms 6 ms 6 ms