
Agilent 6620A Series Multiple-Output,
40-105 W DC Power Supplies, GPIB
Data Sheet
Speed and accuracy for test optimization
• Up to four fully isolated power supplies in a 3U package
• Dual-range outputs
• Fast, low-noise outputs
• Built-in measurements and advanced programmable features
• Protection features to ensure DUT safety
Two, three, or 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 parallel or 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 by
using the VXIplug&play drivers. These
power supplies help reduce test time
with fast up and down programming,
enhanced by an active downprogrammer
which can sink the full rated current.

Specifi cations
Specifications
(at 0 ° to 55 °C unless otherwise specified)
Output power
Low-range: voltage, current 0 to 7 V 0 to 20 V 0 to 7 V 0 to 20 V 0 to 35 V
High range: voltage, current 0 to 20 V 0 to 50 V 0 to 20 V 0 to 50 V —
Output combinations
for each model (total number of outputs)
6621A (2) — — 2 — —
6622A (2) — — — 2 —
6623A (3) 1 1 1 — —
6624A (4) 2 2 — — —
6627A (4) — 4 — — —
6623A-J03 (3) Special order option — 2 — — 1
Programming accuracy at 25 °C ± 5 °C
Voltage 0.06% + 19 mV 50 mV 19 mV 50 mV 35 mV
Current 0.16% + 50 mA 20 mA 100 mA 40 mA 30 mA
Readback accuracy at 25 °C ± 5 °C
Voltage 0.05% + 20 mV 50 mV 20 mV 50 mV 35 mV
+Current 0.1% + 10 mA 4 mA 20 mA 8 mA 6 mA
–Current 0.2% + 25 mA 8 mA 50 mA 20 mA 15 mA
Ripple and noise
(peak-to-peak, 20 Hz to 20 MHz;
rms, 20 Hz to 10 MHz)
Constant voltage rms 500 μV 500 μV 500 μV 500 μV 500 μV
peak-to-peak 3 mV 3 mV 3 mV 3 mV 3 mV
Constant current rms 1 mA 1 mA 1 mA 1 mA 1 mA
Load regulation
Voltage 2 mV 2 mV 2 mV 2 mV 2 mV
Current 1 mA 0.5 mA 2 mA 1 mA 2 mA
Load cross regulation
Voltage 1 mV 2.5 mV 1 mV 2.5 mV N/A
Current 1 mA 0.5 mA 2 mA 1 mA N/A
Line regulation
Voltage 0.1% + 1 mV 1 mV 1 mV 1 mV 1 mV
Current 0.06% + 1 mA 01 mA 1 mA 1 mA 1 mA
Transient response time Less than 75 μs for the output to recover to within 75 mV of nominal value following
40 W output 40 W output 80 W output 80 W output 105 W output
0 to 5 A 0 to 2 A 0 to 10 A 0 to 4 A 0 to 3 A
0 to 2 A 0 to 0.8 A 0 to 4 A 0 to 2 A —
a load change within specifi cations
Supplemental characteristics
(Non-warranted characteristics determined
by design and useful in applying the product)
Average programming resolution
Voltage 6 mV 15 mV 6 mV 15 mV 10.5 mV
Current 25 mA 10 mA 50 mA 20 mA 15 mA
OVP 100 mV 250 mV 100 mV 250 mV 175 mV
Output programming response time
(time to settle within 0.1% of full scale output,
after Vset command has been processed)
2
40 W output 40 W output 80 W output 80 W output 105 W output
2 ms 6 ms 2 ms 6 ms 6 ms

Output 2 Output 4
Output 3 Output 1
To p
Terminal Strip Detail
Output 2 & 3
Side
Rear
Output 1 & 4
425.5 mm
16.75"
497.8 mm
19.6"
518.2 mm
20.4"
128 mm
5.04"
-O V +O V -S
-V +V +S
+S +V -V +S +O V
-O V
12.7 mm
0.5"
132.6 mm
5.2"
Screw Size:
M3.5 x 0.6
Supplemental characteristics
for all model numbers
GPIB interface capabilities:
SH1, AH1, T6, L4, SR1, RL1, PP1, DC1,
DT0
DC floating voltage: Output terminals
can be floated up to ± 240 VDC from
chassis ground
Remote sensing: Up to 1 V drop per
load lead. The drop in the load leads
subtracts from the voltage available
for the load.
Command processing time:
7 ms typical with front-panel display
disabled
Output programming: Current sink
limits are fixed approximately 10%
Software driver: VXIplug&play
Regulatory compliance: Listed to
UL1244; conforms to IEC 61010-1;
carries the CE mark.
Size:
425.5 mm W x 132.6 mm H x 497.8 mm
D (16.75 in x 5.22 in x 19.6 in)
Weight: Net, 17.4 kg (38 lb); shipping,
22.7 kg (50 lb)
Warranty: One year
higher than source limits for a given
operating voltage above 2.5 V.
Input power: 550 W max., 720 VA max.
Agilent models: 6621A, 6622A, 6623A, 6624A, 6627A
3

www.agilent.com
www.agilent.com/find/6620
Ordering information
Product ships with full documentation
on CD-ROM. CD-ROM includes
operating manual, service manual,
and application notes.
Opt 100 87 to 106 VAC, 47 to 66 Hz
input, 6.3 A (Japan only)
Opt 120 104 to 127 VAC, 47 to 63 Hz
Opt 220 191 to 233 VAC, 47 to 66 Hz
input, 3.0 A
Opt 240 209 to 250 VAC, 47 to 66 Hz
input, 3.0 A
Opt 750 Relay control and DFI/RI
Opt S50 Similar to Option 750, how-
ever the remote inhibit does not latch
Opt 0L1 Printed operating manual
Opt 0B3 Printed service manual
Accessories
1CM003A* Rack mount flange
kit 132.6 mm H (3U) – two flange
brackets
1CP002A* Rack mount flange and
handle kit 132.6 mm H (3U) – two
brackets and front handles
E3663AC Support rails for Agilent
rack cabinets
p/n 1494-0059 Rack slide kit
Application notes
10 Practical Tips You Need to Know
About Your Power Products,
5965-8239E
10 Hints for Using Your Power Supply
to Decrease Test Time, 5968-6359E
Understanding Linear Power Supply
Operation (AN1554), 5989-2291EN
Modern Connectivity–Using USB
and LAN I/O Converters (AN 1475-1)
5989-0123EN
* Support rails required
Agilent Advantage Services is committed
to your success throughout your equipment’s lifetime. To keep you competitive,
we continually invest in tools and
processes that speed up calibration and
repair and reduce your cost of ownership.
You can also use Infoline Web Services
to manage equipment and services more
effectively. By sharing our measurement
and service expertise, we help you create
the products that change our world.
www.agilent.com/find/advantageservices
Agilent Electronic Measurement Group
DEKRA Certified
ISO 9001:2008
Quality Management SystemQuality Management Sy
www.agilent.com/quality
Agilent Email Updates
www.agilent.com/find/emailupdates
Get the latest information on the
products and applications you select.
Agilent Channel Partners
www. agilent.com/find/channelpartners
Get the best of both worlds: Agilent’s
measurement expertise and product
breadth, combined with channel
partner convenience.
For more information on Agilent
Technologies’ products, applications or
services, please contact your local Agilent
office. The complete list is available at:
www.agilent.com/fi nd/contactus
Americas
Canada (877) 894 4414
Brazil (11) 4197 3600
Mexico 01800 5064 800
United States (800) 829 4444
Asia Pacifi c
Australia 1 800 629 485
China 800 810 0189
Hong Kong 800 938 693
India 1 800 112 929
Japan 0120 (421) 345
Korea 080 769 0800
Malaysia 1 800 888 848
Singapore 1 800 375 8100
Taiwan 0800 047 866
Other AP Countries (65) 375 8100
Europe & Middle East
Belgium 32 (0) 2 404 93 40
Denmark 45 45 80 12 15
Finland 358 (0) 10 855 2100
France 0825 010 700*
*0.125 €/minute
Germany 49 (0) 7031 464 6333
Ireland 1890 924 204
Israel 972-3-9288-504/544
Italy 39 02 92 60 8484
Netherlands 31 (0) 20 547 2111
Spain 34 (91) 631 3300
Sweden 0200-88 22 55
United Kingdom 44 (0) 118 927 6201
For other unlisted countries:
www.agilent.com/fi nd/contactus
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
5990-9302EN