Keysight 6627A Precision DC Power Supply

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HP/Agilent 6627A Precision DC Power Supply
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Keysight 6627A
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6627A Datasheet

Four isolated outputs are integrated into one package, conserving rack space and GPIB addresses. Most of the outputs also provide dual ranges, for more current at lower voltage levels. The outputs can be connected in parallelor series to further increase the flexibility that these products offer the system designer. Programming is done using industry standard SCPI commands. Test system integration can be further simplified be using the VXI Plug & Play drivers. These power supplies help reduce test time with fast up and down programming, which is enhanced by an active down programmer which can sink the full rated current.

These power supplies are very useful on the R&D bench. The accuracy of both the programming and the measurement systems allow precise control and monitor-ing of prototype bias power. The extensive protection features protect valuable prototypes, including very fast CV/CC crossover. The power supply can be controlled from either the front panel keypad or, for auto-mated testing, from the GPIB.

Keysight 6627A Features
  • Precise V & I programming and readback
  • Fast up and down programming
  • Extensive protection for DUTs
  • Easy to integrate into a system
Keysight 6627A Specs
Output power

40 W output

Low-range volts, amps 0 to 20 V, 0 to 2 A
High range volts, amps 0 to 50 V, 0 to 0.8 A
Output combinations 4
Programming accuracy

50 mV + 0.06%


20 mA + 0.16%

Readback accuracy (at 25°C ±5°C)

50 mV + 0.05%


4 mA + 0.1%


8 mA + 0.2%

Load regulation
  Voltage 2 mV
  Current 0.5 mA
Load cross regulation
Voltage 2.5 mV
Current 0.5 mA
Line regulation

0.01% + 1 mV


0.06% + 1 mA