Array Electronic Co Ltd
Array 367XA Series DC Bench Power Supply
Array 367XA Series DC Bench Power Supply
SKU: 3672A
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Key Features
Overview
The Array 367XA Series represents a comprehensive range of high-performance programmable switching-mode DC bench power supplies engineered for professional electronic design and testing environments. Available in three distinct models, the series covers voltage ranges from 35V to 120V with current capabilities from 6.5A to 22.5A, each delivering over 500W of reliable power.
Built with switching-mode topology, these power supplies offer exceptional efficiency whilst maintaining compact dimensions ideal for crowded laboratory benches. The series features SCPI (Standard Commands for Programmable Instruments) compatibility, enabling seamless integration with automated test equipment and computer-controlled measurement systems through RS-232, USB, and GPIB interfaces.
Each unit incorporates a high-definition LCD display with intuitive controls, allowing precise voltage and current adjustment with 1mV and 1mA resolution respectively. The advanced memory system stores up to 10 operating configurations, streamlining repetitive testing procedures. Multiple protection circuits including over-voltage, over-current, and over-temperature safeguards ensure both user safety and equipment protection during operation.
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Why Engineers Choose The Array 367XA Series DC Bench Power Supply
High Power Capability
Professional Reliability
Automated Test Integration
Summary
The Array 367X is a series of 800W programmable switching-mode DC power supplies with RS-232, USB (optional) and GPIB (optional) interfaces. The good durability, simple operation, low noise, excellent output accuracy as well as an adjustment from 0V make this series of reliable power supplies the right choice for many applications. It provides flexible and stable DC power for various design and test environments.
Features
- High definition liquid crystal display
- Full-featured keyboard and knobs
- Highly-efficient switch-mode power supply
- The same continuous adjustment (0-Vout) as a linear power supply
- Low ripple and noise which matches that of a linear power supply
- Excellent line and load regulation
- Up to 10 operating states, storage and recall
- Automatic ON/OFF function, simplifying its use
- Portable, ruggedized case and flexible system functions
- Standardized USB interface with optional GPIB and USB interfaces
- SCPI ( Standard Commands for Programmable Instruments) compatibility
- Direct setting of I/O Parameters from the front panel
Specification
| 3672A | 3673A | 3674A | 3675A | |
| Output Ratings | ||||
| Voltage | 0～35V | 0～80V | 0～120V | 0～200V |
| Current | 0～22.5A | 0～10A | 0～6.5A | 0～4A |
| Ripple and Noise (20 Hz to 20 MHz) | ||||
| Voltage（root mean square value） | <10mVrms | <16mVrms | <16mVrms | <20mVrms |
| Voltage（peak-to-peak value） | <20mVp-p | <25mVp-p | <80mVp-p | <80mVp-p |
| Current | <8mArms | <6mArms | <5mArms | <4mArms |
| Common Mode Current | 1.5mArms | 1.5mArms | 1.5mArms | 1.5mArms |
| Load Regulation | ||||
| Voltage | 3mV | 3mV | 10mV | 10mV |
| Current | 2mA | 2mA | 2mA | 2mA |
| Line Regulation | ||||
| Voltage | 2mV | 2mV | 10mV | 10mV |
| Current | 1mA | 1mA | 1mA | 1mA |
| Programming Accuracy | ||||
| Voltage | 0.03%+5mV | 0.03%+10mV | 0.03%+15mV | 0.03%+20mV |
| Current | 0.5%+6mA | 0.5%+5mA | 0.5%+5mA | 0.5%+5mA |
| Readback Accuracy | ||||
| Voltage | 0.02%+2mV | 0.02%+5mV | 0.02%+8mV | 0.02%+20mV |
| Current | 0.2%+5mA | 0.2%+5mA | 0.2%+5mA | 0.2%+5mA |
| Programming Resolution | ||||
| >Voltage | 1mV | 1mV | 1mV(@0-100V) | 1mV(@0-100V) |
| 10mV(@100-120V) | 10mV(@100-200V) | |||
| Current | 1mA | 1mA | 1mA | 1mA |
| Readback Resolution | ||||
| Voltage | 1mV | 2mV | 4mV | 4mV |
| Current | 1mA | 1mA | 1mA | 1mA |
| Meter Resolution | ||||
| Voltage | 1mV | 2mV | 1mV(@0-100V) | 1mV(@0-100V) |
| 10mV(@100-120V) | 10mV(@100-120V) | |||
| Current | 1mA | 1mA | 1mA | 1mA |
| Output Programming Range (maximum programmable values) | ||||
| Voltage | 0～35.2V | 0～80.2V | 0～120.2V | 0～200.2V |
| Current | 0～22.5A | 0～10A | 0～6.5A | 0～2.5V |
| Temperature Coefficient, ±(% of output + offset) Maximum change in output/readback per °C after a 30-minute warm-up. |
||||
| Voltage | 30ppm+0.5mV | 30ppm+0.8mV | 30ppm+ 1mV | 30ppm+ 1.5mV |
| Current | 30ppm+0.2mA | 30ppm+0.1mA | 30ppm+0.1mA | 30ppm+1.5mV |
| Stability, ±(% of output + offset) Following a 30-minute warm-up, the change occurs in output within 8 hours under constant load, line, and ambient temperature. |
||||
| Voltage | 0.02% + 2mV | 0.02% +3mV | 0.02% + 4mV | 0.02% + 5mV |
| Current | 0.2% + 6mA | 0.3% + 3mA | 0.1% +2mA | 0.02% + 2mV |
| Voltage Programming Speed Maximum time required for output voltage to settle within 1% of its total excursion (for resistive load). Command processing time is excluded. | ||||
| Full load Up | 50msec | 50msec | 60msec | 60msec |
| Full load Down | 50msec | 50msec | 60msec | 60msec |
| No load Up | 50msec | 50msec | 60msec | 60msec |
| No load Down | 200msec | 300msec | 300msec | 500msec |
| AC Input Ratings | AC180V-265V/47Hz～ 63Hz/1050VAMax |
AC180V-265V/47Hz～ 63Hz/1050VAMax |
AC180V-265V/47Hz～ 63Hz/1050VAMax |
AC180V-265V/47Hz～ 63Hz/1050VAMax |
| Operating Temperature | 0～40℃ 0～80%RH | 0～40℃ 0～80%RH | 0～40℃ 0～80%RH | 0～40℃ 0～80%RH |
| Cooling | Fan Cooling | Fan Cooling | Fan Cooling | Fan Cooling |
| Output Voltage Overshoot | <1V | <1V | <1V | <1V |
| Programming Language | SCPI(Standard Commands for Programmable Instruments) |
SCPI(Standard Commands for Programmable Instruments) |
SCPI(Standard Commands for Programmable Instruments) |
SCPI(Standard Commands for Programmable Instruments) |
| Recommended Calibration Interval | 1 year | 1 year | 1 year | 1 year |
| Net Weight | 5.5 kg | 5.5 kg | 5.5 kg | 5.5 kg |
Questions and Answers
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What Protection Features Does the Array 367XA Include for Safe Operation?
Array lists over-voltage, over-current, over-power, over-temperature and reverse polarity protection.
- OVP: if the output exceeds the Voltage Over limit set in the front-panel menu, the output is disabled and OV shows on the display.
- Current limiting: the output switches to constant-current mode at the current setting, which you set from the front panel or via SCPI.
- OTP: if the supply overheats, the output turns off and OT shows on the display.
Protection status shows on the display, and the over-voltage state can be read remotely through the SCPI questionable status register.
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What Voltage and Current Programming Resolution Does the Array 367XA Provide?
Programming resolution is 1mV for voltage (10mV above 100V on the 3674A and 3675A) and 1mA for current.
Programming accuracy is 0.03% + offset for voltage and 0.5% + offset for current. Voltage load regulation is 3mV on the 3672A and 3673A and 10mV on the 3674A and 3675A; current regulation is 2mA.
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How Does the Array 367XA's User Interface Help in the Lab?
It has a high-definition LCD with dedicated voltage and current keys, so you don't navigate menus for common settings.
You enter values directly on a numeric keypad. The display shows voltage, current, power and operating status together. The front panel has a dedicated output on/off key, save and recall through the 2nd key, and OV/OT protection indicators. This reduces setup time compared with menu-driven designs.
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What Applications Benefit Most From the Array 367XA's High Power and Low Noise?
Power electronics development, LED driver testing, battery simulation and component burn-in benefit most.
- With roughly 780-800W output and ripple and noise of 10-16mVrms (3672A to 3674A), it suits analogue circuit characterisation, where high currents must be delivered without adding measurement artefacts.
- SCPI and memory storage support automated production testing and reliability validation.
- Research labs use the wide voltage ranges and precise control for component evaluation and failure analysis.
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What Are the Key Differences Between the Four Array 367XA Models?
The four models differ in voltage, current and power:
Model Voltage Current Power Suited to 3672A 0-35V 0-22.5A 787.5W High-current work such as power electronics testing 3673A 0-80V 0-10A 800W Intermediate voltages, component testing 3674A 0-120V 0-6.5A 780W Intermediate voltages, component testing 3675A 0-200V 0-4A 800W High-voltage component burn-in and reliability validation Power is the maximum voltage times the maximum current. All models share SCPI compatibility, 10 memory locations, the same interface options and the same protection functions. Resolution is 1mV and 1mA, except 10mV above 100V on the 3674A and 3675A. The 3675A has <20mVrms voltage ripple.
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How Does the Array 367XA's SCPI Implementation Work?
The Array 367XA is SCPI (Standard Commands for Programmable Instruments) compatible.
SCPI uses a common syntax across manufacturers, so you can drive the supply from automated test systems or your own scripts. The 367XA command set covers voltage, current, output and measurement, and saves and recalls states, so you can run test sequences and log data.
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What Ripple and Noise Does the Array 367XA Achieve?
Array rates the 367XA's ripple and noise as rivalling a linear supply, despite its switching-mode design.
Ripple and noise across the 20Hz to 20MHz bandwidth:
- 3672A: <10mVrms
- 3673A and 3674A: <16mVrms
- 3675A: <20mVrms
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What Remote Control Interfaces Does the Array 367XA Support for Laboratory Automation?
RS-232 is standard. USB and GPIB (IEEE-488) are optional and share one connector; you select the active interface in the menu.
All interfaces accept SCPI commands. The RS-232 interface has selectable baud rates and flow control.
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How Many Operating Configurations Can the Array 367XA Store and Recall?
The Array 367XA can store and recall up to 10 configurations.
From the front panel, each holds the voltage and current settings; the *SAV command also stores the output and trigger state. Settings are kept in non-volatile memory, so they survive power cycling. You can recall them from the front panel or remotely with *RCL, which speeds up changes between test conditions.
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