Agilent 6680A Series Single-Output,
5000 W DC Power Supplies, GPIB
Data Sheet
Reliable DC power for manufacturing test and
long-term burn-in
This series of 5000 watt DC power
supplies has the exceptional, proven
reliability that test system engineers
look for. It also has the features
needed for easy test system
integration.
Programming of the DC output and
the extensive protection features can
be done either from the front panel
or using industry standard SCPI com-
mands via the GPIB. Using the serial
link, up to 16 power supplies can be
connected through one GPIB address.
Test system integration can be further
simplified by using the VXIplug&play
drivers.
The output voltage and current
can also be controlled with analog
signals. This is helpful for certain
types of noisy environments, and
also immediate reactions to process
changes.
The 6680A series has extremely low
ripple and noise for a 5000 watt DC
power supply. This helps the built-in
measurement system make extremely
accurate current and voltage
measurements.
Selectable compensation is provided
for problem-free powering of inductive
loads.
• Low output ripple and noise
• Selectable compensation for
inductive loads
• Analog control of output voltage
and current
• Fan-speed control to minimize
acoustic noise
• Built-in measurements and
advanced programmable features
• Protection features to ensure DUT
safety
2
Specifi cations
Specifications
(at 0 ° to 55 °C unless otherwise specified) 6680A 6681A 6682A 6683A 6684A
6680A-J04
Special order
option
Number of outputs 1 1 1 1 1 1
GPIB Yes Yes Yes Yes Yes Yes
Output ratings
Voltage 0 to 5 V 0 to 8 V 0 to 21 V 0 to 32 V 0 to 40 V 0 to 3.3 V
Current (40 °C then derate linearly
1%/°C from 40 °C to 55 °C)
0 to 875 A 0 to 580 A 0 to 240 A 0 to 160 A 0 to 128 A 0 to 1000 A
Programming accuracy at 25 °C ± 5 °C
Voltage 0.04% + 5 mV 8 mV 21 mV 32 mV 40 mV 5 mV
Current 0.1% + 450 mA 300 mA 125 mA 85 mA 65 mA 450 mA
Ripple and noise constant voltage mode
from 20 Hz to 20 MHz
Voltage rms 1.5 mV 1.5 mV 1.5 mV 1.0 mV 1.0 mV 3.4 mV
peak-to-peak 10 mV 10 mV 10 mV 10 mV 10 mV 15 mV
Readback accuracy at 25 °C ± 5 °C
(percent of reading plus fi xed)
Voltage 0.05% + 7.5 mV 12 mV 32 mV 48 mV 60 mV 7.5 mV
Current 0.1% + 600 mA 400 mA 165 mA 110 mA 90 mA 600 mA
Load and line regulation
Voltage 0.002% + 0.19 mV 0.3 mV 0.65 mV 1.1 mV 1.5 mV 0.19 mV
Current 0.005% + 65 mA 40 mA 17 mA 12 mA 9 mA 77 mA
Transient response time Less than 900 μs for the output voltage to recover to within 150 mV following a change
in load from 100% to 50% or 50% to 100% of the output current rating of the supply
Supplemental characteristics
(Non-warranted characteristics determined
by design and useful in applying the product)
6680A 6681A 6682A 6683A 6684A
6680A-J04
Special order
option
Ripple and noise constant current mode
from 20 Hz to 20 MHz
Current rms 290 mA 190 mA 40 mA 28 mA 23 mA —
Average programming resolution
Voltage 1.35 mV 2.15 mV 5.7 mV 8.6 mV 10.8 mV 12 mV
Current 235 mA 155 mA 64 mA 43 mA 34 mA 260 mV
OVP 30 mV 45 mV 120 mV 180 mV 225 mV 25 mV
Output voltage programming
response time*
(excluding command processing time) 9 ms 12 ms 45 ms 60 ms 60 ms 9 ms
Output common-mode noise current
(to signal-ground binding post) rms 1.5 mA 1.5 mA 3 mA 3 mA 3 mA 2.0 mA
peak-to-peak 10 mA 10 mA 20 mA 20 mA 20 mA 12.5 mA
* Full load programming rise/fall time (10% to 90% or 90% to 10%) with full resistive load equal to rated output voltage/rated output current.
3
Agilent models: 6680A, 6681A, 6682A, 6683A, 6684A
+
–
Side
Output
Buss Bars
Top
Buss Bar Detail
Rear
12.7 mm
0.5"
28.6 mm
1.13"
30.2 mm
1.19"
65.1 mm
2.56"
27.8 mm
1.09"
9.5 mm
0.38" 12.7 mm
0.5"
674.7 mm
26.56" 667.3 mm
26.27"
574 mm
22.6"
221.5 mm
8.75"
425.5 mm
16.75"
3/8" Diameter (6)
3 3/4"
Supplemental characteristics
for all model numbers
DC floating voltage: Output terminals
can be floated up to ± 60 VDC from
chassis ground
Remote sensing: Up to half the rated
output voltage can be dropped in each
load lead. The drop in the load leads
subtracts from the voltage available
for the load.
Command processing time: Average
time required for the output voltage to
begin to change following receipt of
digital data is 20 ms for power supplies
connected directly to the GPIB.
Modulation: (Analog programming of
output voltage and current):
Input signal: 0 to –5 V for voltage,
0 to +5 V for current
Input impedance: 30 kΩ or greater
AC input (47 to 63 Hz):
180 to 235 VAC (line-to-line, 3 phase),
27.7 A rms maximum worst case,
21.4 A rms nominal; 360 to 440 VAC,
14.3 A rms maximum worst case,
10.7 A rms nominal (maximum line
current includes 5% unbalanced phase
voltage condition.) Output voltage
derated 5% at 50 Hz and below 200 VAC
Input power: 7350 VA and 6000 W
maximum; 160 W at no load
GPIB interface capabilities:
SH1, AH1, T6, L4, SR1, RL1, PP0, DC1,
DT1, E1, and C0. IEEE-488.2 and SCPI
command set.
Software driver:
• IVI-COM
• VXIplug&play
Size:
425.5 mm W x 221.5 mm H x 674.7 mm D
(16.75 in x 8.75 in x 25.56 in)
Weight: Net, 51.3 kg (113 lbs);
shipping, 63.6 kg (140 lbs)
Warranty: One year
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Revised: January 6, 2012
Product specifications and descriptions
in this document subject to change
without notice.
© Agilent Technologies, Inc. 2012
Published in USA, March 14, 2012
5990-9307EN
www.agilent.com
www.agilent.com/find/6680
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Ordering information
The 6680A power supplies come
with full documentation on CD-ROM.
The CD-ROM includes user’s guide,
programming guide, service manual,
quick start guide, and application notes.
Opt 208 180 to 235 VAC, 3 phase,
47 to 63 Hz
Opt 400 360 to 440 VAC, 3 phase,
47 to 63 Hz
Opt 602 Two bus bar spacers for
paralleling power supplies
(p/n 5060-3514)
Opt 0L1 Printed user’s and
programming guides
Opt 0B3 Printed service manual
Accessories
1CM028A* Rack mount flange kit
88.1 mm H (3U) and 132.6 mm H (2U) –
4 brackets (5U total)
1CP014A* Double rack mount flange
and handle kit 88.1 mm H (2U) and
132.6 mm H (3U)
E3663AC Support rails for Agilent
rack cabinets
p/n 5080-2148 Serial link cable 2 m
(6.6 ft.)
p/n 5060-3513 Three 30 A replace-
ment fuses for 180 to 235 VAC line
p/n 5060-3512 Three 16 A replace-
ment fuses for 360 to 440 VAC line
Application notes
6671A/72A/81A/82A/90A System
DC Power Supplies Product Overview
5988-3050EN
Agilent DC Power Supplies for Base
Station Testing, 5988-2386EN
10 Practical Tips You Need to Know
About Your Power Products,
5965-8239E
* Support rails required
