Fujitsu MHV2100AH - Power Requirements; Figure 1.1 Negative Voltage at +5 V When Power Is Turned off

Device Overview
1-6 C141-E217
1.3 Power Requirements
(1) Input Voltage
• + 5 V ± 5 %
(2) Ripple
+5 V
Maximum 100 mV (peak to peak)
Frequency DC to 1 MHz
(3) A negative voltage like the bottom figure isn't to occur at +5 V when power is turned
off and, a thing with no ringing.
Permissible level: −0.2 V
Voltage [V]
5
0 100 200 300 400 500 600 700 800
Time [ms]
4
3
2
1
0
-1
Figure 1.1 Negative voltage at +5 V when power is turned off