Product specifications

This series of 200 W linear-regulated
DC power supplies is designed to
maximize the throughput of DUTs
through the manufacturing test
process with fast up and down
programming time.
Valuable assemblies can be
destroyed by a minor component
failure that can allow a surge of
voltage or current to flow to the
DUT. Fast protection features,
including fast crowbar, mode cross-
over protection, and the ability to
connect the protection circuitry
of multiple power supplies can
increase production yield.
Programming of the DC output and
the protection features can be done
either from the front panel or using
industry standard SCPI commands,
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 be using
the VXIPlug&Play drivers. The out-
put 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.
Lab bench use is enhanced by the
fan speed control, which helps to
minimize the acoustic noise.
High Performance DC Power Supplies speed and accuracy for test optimization
Spe cif icati ons
(at 0° to 55°C unless
otherwise specified)
More detailed specifications at www.agilent.com/find/6640
42
Fast, low-noise outputs
Analog control of output voltage and current
Fan-speed control to minimize acoustic noise
Parallel and series connections of multiple units
Built-in measurements and advanced programmable features
Protection features to ensure DUT safety
6641A - 6645A
Single-Output
200 W
GPIB
6641A 6642A 6643A 6644A 6645A
Number of outputs
1 1 1 1 1
GPIB
Yes Yes Yes Yes Yes
Output ratings
Output voltage 0 to 8 V 0 to 20 V 0 to 35 V 0 to 60 V 0 to 120 V
Output current (40°C) 0 to 20 A 0 to 10 A 0 to 6 A 0 to 3.5 A 0 to 1.5 A
Maximum current (50°C/55°C) 18 A/17 A 9 A/8.5 A 5.4 A/5.1 A 3.2 A/3 A 1.4 A/1.3 A
Programming accuracy at 25°C ±5°C
Voltage 0.06% + 5 mV 10 mV 15 mV 26 mV 51 mV
Current 0.15% + 26 mA 13 mA 6.7 mA 4.1 mA 1.7 mA
Ripple and noise
from 20 Hz to 20 MHz
Voltage rms 300 µV 300 µV 400 µV 500 µV 700 µV
peak-peak 3 mV 3 mV 4 mV 5 mV 7 mV
Current rms 10 mA 5 mA 3 mA 1.5 mA 1 mA
Readback accuracy at 25°C ±5°C
(percent of reading plus fixed)
Voltage 0.07% + 6 mV 15 mV 25 mV 40 mV 80 mV
+Current 0.15% + 18 mA 9.1 mA 5 mA 3 mA 1.3 mA
-Current 0.35% + 40 mA 20 mA 12 mA 6.8 mA 2.9 mA
Load regulation
Voltage 1 mV 2 mV 3 mV 4 mV 5 mV
Current 1 mA 0.5 mA 0.25 mA 0.25 mA 0.25 mA
Line regualtion
Voltage 0.5 mV 0.5 mV 1 mV 1mV 2 mV
Current 1 mA 0.5 mA 0.25 mA 0.25 mA 0.25 mA
Transient response time Less than 100 µs for the output voltage to recover to its previous level (within 0.1% of
the voltage rating of the supply or 20 mV, whichever is greater) following any step change in load current of up to
50% of rated current
Supplemental Characteristics (Non-warranted characteristics determined by design and
useful in applying the product)
Average resolution
Voltage 2 mV 5 mV 10 mV 15 mV 30 mV
Current 6 mA 3 mA 2 mA 1.2 mA 0.5 mA
OVP 13 mV 30 mV 54 mV 93 mV 190 mV
OVP accuracy 160 mV 400 mV 700 mV 1.2 V 2.4 V