User`s guide

New Enhanced Model
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Specifications 50 W High Performance 100 W High Performance 50 W Precision 100 W Precision
(at 0° to 55°C unless otherwise specified)
Autoranging DC Autoranging DC DC Power Module DC Power Module
Power Module Power Module
Output Power Autoranging
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0 to 50 V, 0 to 50 V, 0 to 50 V, 0 to 50 V,
0 to 5 A 0 to 10 A 0 to 1.5 A 0 to 3 A
Autoranging
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50 W 100 W
10
50 W 100 W
Output Combination Module Model Number N6751A N6752A N6761A N6762A
N6721A (2) — 2 — —
N6722A (2) — 2 — —
N6723A (3) 2 1 — —
N6724A (4) 4 — — —
N6725A (2) Precision — — 1 1
N6726A (4) Precision — — 2 2
N6727A (4) 4 — — —
N6728A (2) Precision — — — 2
N6729A (4) Precision — — — 4
Programming Accuracy Voltage 19 mV 19 mV 1.5 mV + 0.016% (low) 1.5 mV + 0.016% (low)
(at 25°C ±5°C) + 0.06% + 0.06% 6 mV + 0.016% (high) 6 mV + 0.016% (high)
Current 20 mA 20 mA 15 µA + 0.04% (low) 15 µA + 0.04% (low)
+ 0.1% + 0.1% 200 µA + 0.04% (high) 200 µA + 0.04% (high)
Readback Accuracy Voltage 20 mV 20 mV 1.5 mV + 0.016% (low) 1.5 mV + 0.016% (low)
(at 25°C ±5°C) + 0.05% + 0.05% 6mV + 0.016% (high) 6mV + 0.016% (high)
+ Current 4 mA 4 mA 15 µA + 0.03% (low) 15 µA + 0.03% (low)
+ 0.1% + 0.1% 200 µA + 0.03% (high) 200 µA + 0.03% (high)
- Current 4 mA 4 mA 15 µA + 0.03% (low) 15 µA + 0.03% (low)
+ 0.1% + 0.1% 200 µA + 0.03% (high) 200 µA + 0.03% (high)
Ripple and noise Constant Voltage rms 1 mV 1 mV 1 mV 1 mV
(rms, 20 Hz to 10 MHz; peak-to-peak 6 mV max, 6 mV max, 6 mV max, 6 mV max,
peak-to-peak, 4 mV typical 4 mV typical 4 mV typical 4 mV typical
20 Hz to 20 MHz)
Constant Current rms See Supplemental Characteristics below.
Load regulation Voltage 2 mV 2 mV 0.5 mV 0.5 mV
Current 2 mA 2 mA 0.03 mA 0.03 mA
Load cross regulation Voltage 1 mV 1 mV 0.5 mV 0.5 mV
Current 1 mA 1 mA 0.005 mA 0.005 mA
Line regulation Voltage 1 mV 1 mV 0.5 mV 0.5 mV
Current 1 mA 1 mA 0.03 mA 0.03 mA
Transient response time <100 µs <100 µs <150 µs <150 µs
Time for the output to recover to within 75 mV of nominal
value following a load change from 50% to 100% of rating
Supplemental Characteristics (Non-warranted characteristics determined by design and useful in applying the product)
Average programming Voltage 3.5 mV 3.5 mV 90 µV (low) 90 µV (low)
resolution 880 µV (high) 880 µV (high)
Current 3.25 mA 3.25 mA 2 µA (low) 2 µA (low)
60 µA (high) 60 µA (high)
Ripple and noise Constant Current rms 2 mA 2 mA 2 mA 2 mA
OVP Programming Accuracy 0.25 V ±0.25% 0.25 V ±0.25% 0.25 V ±0.25% 0.25 V ±0.25%
Command Processing Time (over GPIB) <1 ms <1 ms <1 ms <1 ms
Interfaces GPIB, USB, LAN
Size 432.5 mm Width x 44.45 mm Height x 596.9 mm Depth
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These products are closest in configuration and ratings to your current model, but are not identical.
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Any combination of the specified Voltage and Current that is less than or equal to the specified power rating. Please see 50 W and 100 W Comparison Graphs for graphical representations of this.
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100 W from 12 V/8.33 A to 50 V/2 A. Between 8.33 A and 10 A, the N6752A’s output power derates from 100 W @ 8.33 A to 85 W @ 10 A. Please see 100 W Comparison Graph for a graphical representation of this.