User manual

The 9184 supply output is initially OFF (disabled). The LED light bar

is rated for 170 V. A 10 Ω resistor is placed in series with the LED

light bar. The power supply current setting (ISET) is 20 mA.

Using an oscilloscope to probe between the resistor to measure

current, the power supply’s output is then turned ON. The measured

results are shown in Figure 21, which compares the measured

results with and without LED mode ON (enabled):

Inrush current

LED Mode OFF (disabled)

LED Mode ON (enabled)

Output ON

Figure 20- LED Testing Example

Figure 21 - Inrush Current With and Without LED Mode Enabled