External Test Circuit
Quick Disconnect
Connector
Model 2306
Source Input/Output
DVM Input
DUT
+
-
DVM +
DVM -
Source -
Source -
Sense -
Sense +
Twisted Pair
Figure 2-1
Four-wire sense connections for battery and charger channels
Basic Power Supply Operation 2-3
Remote sense
As shown in
the 2306 battery and charger channels are intended to be operated with
remote sense leads (4 wire connection). The Sense+ and Sense- pins provide output voltage
sensing. Without these terminals connected, the power supply operates without voltage feedback
and therefore supplies an unregulated voltage. This unregulated voltage value can be up to +18V
or down to -5V. Use voltage protection to turn off the output and protect against the extremes
(refer to “Setting voltage protection value” on page 2-5).
Connect the sense inputs to the supply as close as possible to the load’s source inputs through
twisted pair leads (refer to
). This is necessary to achieve the maximum transient per-
formance of the supply.
NOTE
Do NOT jumper the sense inputs and supply outputs at the rear of the supply! Con-
necting the sense leads in this fashion will severely compromise the performance of
Model 2306 with dynamic loads when using 4-wire sense.
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