Agilent Models 6690A-6692A
System dc Power Supply
Data Sheet
Minimize your testing downtime with this reliable, high power dc supply
• Low ripple & noise
• Fast up-and-down programming
• High accuracy current programming and read back
• Industry standard SCPI programming commands
• Analog programming
• Analog monitoring
• Parallel connection for more current output
• Full protection from overcurrent, overvoltage overtemperature
• Remote sense
• Electronic calibration
• Standard 1-year warranty
Agilent Technologies
The 6690A Series is dc power
you can depend on.
At the 6600 watt power level,
it’s not easy to design a reliable
dc power supply. Agilent
Technologies builds in ruggedness
and durability, to meet even the
grueling needs of continuous
stress testing in harsh environments. During the development
phase, Agilent power supplies
undergo a battery of environmental tests such as 8-days
temperature profile. Other tests
include humidity, altitude, shock
and vibration, ESD, ac line tests,
EMC and RFI. The power supplies are designed with built-in
margin so that they can meet
their specifications over time,
under all conditions, and withstand peak stress.
Protect your DUT
At these high power levels, you
want to protect your expensive
DUT. Whether your DUT is a
rack of data storage control
units, or a base station ready for
deployment, it is quite valuable
and well worth recovery. The
6690 Series has a wide range of
protection features available to
protect your DUT from damaging
conditions.
• Overvoltage protection
• Overcurrent protection
• Overtemperature protection
• Programmable shut-down
• Error status reporting
• DFI-RI
• External TTL shut-down input
• Linked power supply shutdown
Easy GPIB Programming
All Agilent system power supplies have SCPI (Standard
Commands for Programmable
Instruments) based command
sets. This means that the same
function would have the same
command for any instrument.
For example, to program the
output voltage on two power
supplies, the command would be
the same, and to measure the
output voltage the command
would be the same for the
Agilent system power supply as
any SCPI voltmeter. Using SCPI
instruments makes your software
simpler and quicker to design.
Easy System Configuration
and Enhancement
The 6600 watt dc power supplies
of the Agilent 6690 Series are the
same size as the 5000 watt power
supplies of the Agilent 6680
Series. This means that system
power can be upgraded without
needing more rack space. All
programming commands and
features are 100% compatible
between both series. Also, up to
three same model 6690 Series
power supplies can be connected
in parallel, to provide additional
power as your needs expand.
Manual Power Supply Control
Non-automated testing in R&D,
or power for the repair bench in
manufacturing, are no problem
for the 6690 Series. The front
panel has everything that is
needed to control both the power
supply output and the associated
protection features. Both the output voltage and current can be
easily monitored on the front
panel meters.
Analog Programming
and Monitoring
Analog signals can be used to
program the output voltage and
current. This allows custom
waveforms to be generated, and
is also useful for process control
applications. The output current
and voltage can be monitored
via analog signals on the rear
panel, for custom interface
applications, and process
control implementations.
You have better things to worry about than dc power.
Will failure of your dc power supply delay your testing?
Will failure of your dc power supply damage your DUT?
Will failure of your dc power supply keep you from meeting your customers’ needs?
Parameter Agilent Model Number
6690A 6691A 6692A
Output Ratings
Voltage: 0-15 V 0-30 V 0-60 V
Current:* 0-440 A 0-220 A 0-110 A
*Derated linearly 1%/°C from
40°C to 55°C
Programming Accuracy (@ 25 ±5°C)
Voltage: 0.04% + 15 mV 30 mV 60 mV
Current: 0. l % + 230 mA 125 mA 65 mA
Ripple & Noise
(from 20 Hz to 20 MHz with
outputs ungrounded, or with
either output terminal grounded)
Constant Voltage: rms 2.5 mV 2.5 mV 1.5 mV
Constant Voltage: p-p 15 mV 25 mV 25 mV
Constant Current:** rms 200 mA 50 mA 30 mA
**With load inductance >5 µH.
Readback Accuracy
(from front panel or over GPIB
with respect to actual output
@ 25 ±5°C)
Voltage: 0.05% + 22.5 mV 45 mV 90 mV
±Current: 0.1% + 300 mA 165 mA 80 mA
Load Regulation
(change in output voltage or
current for any load change
within ratings)
Voltage 0.002% + 650 µV 1.1 mV 2.2 mV
Current: 0.005% + 40 mA 17 mA 9 mA
Line Regulation
(change in output voltage or current
for any line change within ratings)
Voltage: 0.002% + 650 µV 650 µV 650 µV
Current: 0.005% + 40 mA 17 mA 9 mA
Transient Response Time
(for the output voltage to recover
to within 150 mV following any step
change from 100% to 50% or 50% to
100% of the rated output current): <900 µs
Specifications
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© Agilent Technologies, Inc. 2005
Printed in USA, March 8, 2005
5988-3149EN
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