Technical data

Calibration Procedures 1
Performance Verification Tests
U8030A Series Service Guide 17
Figure 1-6 Graph of load transient response
Constant current (CC) verification
Current programming and readback accuracy
This test is to verify that the current programming and
readback accuracy are within published specifications. The
accuracy of the current monitoring resistor must be 0.1% or
better.
Procedure:
1 Power off the power supply, and connect a 0.01 Ω current
shunt monitoring resistor (R
M
) across the output to be
tested as shown in Figure 1- 2 and a multimeter across
the current monitoring resistor (R
M
).
2 Power on the power supply.
3 When the power supply is in the limit mode, program the
output voltage to the maximum programmable value and
the current to 0 A.
4 Enable the output.