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N8700 Series System DC Power SuppliesN8731A-42A (3.3 kW), N8754A-62A (5 kW)Family of Affordable Basic System DC Power SuppliesThe Keysight Technologies, Inc. N8700 series system DC power supplies give you just theright performance — at just the right price — in a compact (2 U) package. This family ofaffordable 3300 W and 5000 W single-output programmable DC power supplies consists of21 models for simple DC power applications.They provide stable output power, built-in voltage and current measurement, and outputvoltage and current from 8 V to 600 V and 5.5 A to 400 A.These economical supplies offer many system-ready features like multiple standard I/Ointerfaces to simplify and accelerate test-system development for R&D, design validation,and manufacturing engineers in the aerospace/defense, automotive, component andcommunications industries.Small, high-density package saves you rack spaceThe N8700 provides up to 5200 W in a small space-saving 2 U-high, 19-inch-wide package.Its air vents are in the front and rear (not on the top or bottom), so you can stack otherinstruments directly above or below it to save valuable rack space.Features 21 Models: 3300 W and 5000 W output power Up to 600 V and up to 400 A Small, high density 2 U package Built-in voltage and current measurement Full protection from over-voltage and over-current Flexible AC input voltage options LAN, USB, and GPIB interfaces standardFind us at www.keysight.comPage 1

Easy front-panel operationYou can quickly and easily operate the power supply with its rotary knobs and buttons. Using thefront-panel controls, you can make coarse or fine adjustments of output voltage and current, protectionsettings, and set power-on states (last setting memory or factory default setting). The output voltageand current are displayed simultaneously, and LED indicators show power supply status andoperating modes. You can lock the front panel controls to protect against accidental power-supplyparameter changes.Extensive device protectionTo safeguard your device from damage, the N8700 Series power supplies provide over-temperature,over-current and over-voltage protection (OVP) to shut down the power supply output when a faultcondition occurs. They also offer an under-voltage limit (UVL) that prevents adjustment of the outputvoltage below a certain limit. The combination of UVL and OVP capabilities lets you create a protectionwindow for sensitive load circuitry.Simplify system connectionsThe N8700 Series power supplies comes standard with GPIB, Ethernet/LAN, and USB 2.0 interfacesgiving you the flexibility to use your I/O interface of choice today and safeguard your test setup for thefuture. The N8700 is fully compliant with the LXI Class C specification.Figure 1. Front panel control knobs and buttons make the N8700 easy to use in a system and on the benchFind us at www.keysight.comPage 2

Figure 2. The N8700's standard LAN (LXI C), USB 2.0 and GPIB interfaces enable simple system connectionsRemote access and controlThe built-in Web server provides remote access and control of the instrument via a standard browsersuch as Microsoft Internet Explorer or Mozilla Firefox. This control goes above and beyond the LXIspecification, giving users the ability to monitor and control the instrument from anywhere. Using theWeb browser, you can set up, monitor and operate the N8700 remotely.Easy system integration and configurationTo simplify system development, the N8700 comes standard with IVI-COM drivers. The N8700 supportsthe easy-to-use SCPI (Standard Commands for Programmable Instruments).Flexible configuration: connect multiple units in parallel or seriesShould you need greater output power, the N8700 series power supplies give you the flexibility toconnect in parallel up to four identical units (same model number) for greater output current or connecttwo identical units (same model number) in series for greater output voltage (see output terminalisolation information).Analog programming and monitoringThe output voltage and current can be programmed from zero to full scale by either an analog voltage 0to 5 V or 0 to 10 V or by resistance of 0 to 5 kΩ or 0 to 10 kΩ.Find us at www.keysight.comPage 3

Flexible AC input voltage optionsThe N8700 models offer flexible AC input voltage options. Every N8700 model can be purchased witheither a 208 V 3-phase or 400 V 3-phase voltage input option. The 3.3 kW models have the additionaloption of a 230 V single-phase AC input voltage. Choose the one that best fits your operatingenvironment. They also provide power factor correction.Please choose carefully the AC input voltage option for your N8700 power supply. The AC inputvoltage cannot be changed without returning the unit to Keysight and placing a new order.Rack mountingThe rack mount ears and handles are provided standard with every unit. In addition, the N5740A rackmount slide kit makes it easy to integrate an N8700 into a test rack by providing all the necessaryhardware to rack mount an N8700 series power supply in only 2 U of rack space. The N5740A rackmount slide kit is the same kit used with the N5700 series.Figure 3. N8700 series web graphical user interface for remote access and control of the power supplyFind us at www.keysight.comPage 4

Table 1. Performance specifications, N8731A – N8736AN8731AN8732AN8733AN8734AN8735AN8736ADC output ratingsVoltage18V10 V15 V20 V30 V40 VCurrent2400 A330 A220 A165 A110 A85 A3200 W3300 W3300 W3300 W3300 W3400 WPowerOutput ripple and noiseCVp-p 360 mV60 mV60 mV60 mV60 mV60 mVCVrms8 mV8 mV8 mV8 mV8 mV8 mV4Load effectCV load regulation56.2 mV6.5 mV7.25 mV8 mV9.5 mV11 mVCC load regulation685 mA71 mA49 mA38 mA27 mA22 mA2.8 mV3 mV3.5 mV4 mV5 mV6 mV42 mA35 mA24 mA18.5 mA13 mA10.5 mASource effectCV line regulation7CC line regulation 7Programming accuracyVoltage1 0.05%Current2, 8 0.1% 4 mV5 mV7.5 mV10 mV15 mV20 mV800 mA660 mA440 mA330 mA220 mA170 mAMeasurement accuracyVoltage 0.1% Current8 0.1% 8 mV10 mV15 mV20 mV30 mV40 mV1200 mA990 mA660 mA495 mA330 mA255 mA 1 ms 1 ms 1 msLoad transient recovery timeTime1234567899 1 ms 1 ms 1 msMinimum voltage is guaranteed to maximum 0.2% of rated output voltage.Minimum current is guaranteed to maximum 0.4% of rated output current.20 MHz5 Hz - 1 MHzFrom no-load to full-load, constant input voltage. Maximum drop in remote sense.For load voltage change equal to the unit voltage rating, constant input voltage.Single-phase and 3-Phase 208 V models: 170 265 VAC, constant load. 3-Phase 400 V models: 342 460 VAC, constant load.The constant current programming readback and monitoring accuracy does not include the warm-up and load regulation thermaldrift.Time for output voltage to recover within 0.5% of its rated output for a load change 10 - 90% of rated output current, local sense.Find us at www.keysight.comPage 5

Table 2. Performance specifications, N8737A – N8742AN8737AN8738AN8739AN8740AN8741AN8742ADC output ratings1Voltage60 V80 V100 V150 V300 V600 VCurrent 255 A42 A33 A22 A11 A5.5 APower3300 W3360 W3300 W3300 W3300 W3300 WCVp-p 360 mV80 mV100 mV100 mV300 mV500 mVCVrms 48 mV25 mV25 mV25 mV100 mV120 mVOutput ripple and noiseLoad effectCV load regulationCC load514 mV17 mV20 mV27.5 mV50 mV95 mVregulation 616 mA13.4 mA11.6 mA9.4 mA7.2 mA6.1 mASource effectCV line regulation78 mV10 mV12 mV17 mV32 mV62 mVCC line regulation77.5 mA6.2 mA5.3 mA4.2 mA3.1 mA2.6 mAProgramming accuracyVoltage 0.05% 30 mV40 mV50 mV75 mV150 mV300 mVCurrent 0.1% 110 mA84 mA66 mA44 mA22 mA11 mAVoltage 0.1% 160 mV80 mV100 mV150 mV300 mV600 mVCurrent 0.1% 8165 mA126 mA99 mA66 mA33 mA16.5 mA 2 ms 2 ms 2 msMeasurement accuracyLoad transient recovery timeTime1234567899 1 ms 1 ms 1 msMinimum voltage is guaranteed to maximum 0.2% of rated output voltage.Minimum current is guaranteed to maximum 0.4% of rated output current.20 MHz5 Hz - 1 MHzFrom no-load to full-load, constant input voltage. Maximum drop in remote sense.For load voltage change equal to the unit voltage rating, constant input voltage.Single-phase and 3-Phase 208 V models: 170 265 VAC, constant load. 3-Phase 400 V models: 342 460 VAC, constant load.The constant current programming readback and monitoring accuracy does not include the warm-up and load regulation thermaldrift.Time for output voltage to recover within 0.5% of its rated output for a load change 10 - 90% of rated output current, local sense.Find us at www.keysight.comPage 6

Table 3. Supplemental CharacteristicsN8731AUp-prog response timeDown-prog response timeFull-load 10Down-prog response timeNo-load 1110N8732AN8733AOutput response time80 ms80 ms80 msN8734AN8735AN8736A80 ms80 ms80 ms20 ms100 ms100 ms100 ms160 ms160 ms500 ms600 ms700 ms800 ms900 ms1000 msCommand response time (add this to the output response time to obtain the total programming time)100 ms100 ms100 ms100 ms100 ms100 pical)2VRemote sense compensation2V2V2V5V5V1-24 V2-36 V2-44 V660 mA300 mA200 mAVoltageCurrentProgramming resolution/measurement resolution0.96 mV1.2 mV1.8 mV2.4 mV48 mA39.6 mA26.4 mA19.8 mA3.6 mV13.2 mA4.8 mV10.2 mAVoltageCurrentFront panel display accuracy (4 digits; 1 count)40 mV50 mV75 mV100 mV2000 mA1650 mA1100 mA825 mA150 mV550 mA200 mV425 mAOver-voltage protection0.5-10 V0.5-12 V1-18 VRangeCC rms121300 mAOutput ripple and noise1200 mA880 mATemperature stability (over 8 hours, after a 30 minute warm-up, with constant line, load, and temperature)Voltage4 mV5 mV7.5 mV10 mV15 mV20 mVCurrent200 mA165 mA110 mA82.5 mA55 mA42.5 mAVoltage(from rated output voltage)Current(from rated output current)101112Temperature coefficient (after a 30 minute warm-up)100100100100PPM/ CPPM/ CPPM/ CPPM/ C200200200200PPM/ CPPM/ CPPM/ CPPM/ C100PPM/ C200PPM/ C100PPM/ C200PPM/ CFrom 10% to 90% or 90% to 10% of rated output voltage, with rated, resistive load.From 90% to 10% of rated output voltage.For 8 V - 15 V models the ripple is measured from 2 V to rated output voltage and rated output current. For other models, the rippleis measured at 10 - 100% of rated output voltage and rated output current.Find us at www.keysight.comPage 7

Table 4. Supplemental AOutput response timeUp-prog response time10Down-prog response timeFull-load 10Down-prog response timeNo-load 11150 ms150 ms150 ms150 ms150 ms250 ms160 ms300 ms300 ms300 ms300 ms500 ms1100 ms1200 ms1500 ms2000 ms3500 ms4000 msCommand response time (add this to the output response time to obtain the total programming time)100 ms100 ms100 ms100 ms100 ms100 pical)Remote sense compensation5V5V5V5V5V5V5-165 V5-330 V5-660 V60 mA20 mA10 mAOver-voltage protectionRange5-66 V5-88 V5-110 VOutput ripple and noiseCC rms12100 mA80 mA70 mAProgramming resolution/measurement resolutionVoltage7.2 mV9.6 mV12 mV18 mV36 mV72 mVCurrent6.6 mA5 mA4 mA2.6 mA1.3 mA0.66 mAFront panel display accuracy (4 digits; 1 count)Voltage300 mV400 mV500 mV750 mV1500 mV3000 mVCurrent275 mA210 mA165 mA110 mA55 mA27.5 mATemperature stability (over 8 hours, after a 30 minute warm-up, with constant line, load, and temperature)Voltage30 mV40 mV50 mV75 mV150 mV300 mVCurrent27.5 mA21 mA16.5 mA11 mA5.5 mA AC 3-phase option170 - 265 VAC; 47 - 63 Hz400 VAC 3-phase option342 - 460 VAC; 47 - 63 Hz3.3 kW models4000 VA5 kW modelsPower factor230 VAC single-phase option5800 VA14208 and 400 VAC 3-phaseoptionsEfficiencyInrush current14190 - 240 VAC; 50/60 Hz0.99 at nominal input and rated output power3.3 kW models3.3 kW models: 0.95 at nominal input andrated output power5 kW models: 0.94 at nominal input andrated output power82% - 88%5 kW models83% - 88%230 VAC single-phase option 14 50 A208 VAC 3-phase option 50 A400 VAC 3-phase option 20 AAvailable on 3.3 kW models only.Find us at www.keysight.comPage 15

Outline DiagramFind us at www.keysight.comPage 16