FUJITSU MPD3XXXAT - Manual (Page 22)

C141-E069-02EN 1 - 7
(4) Current fluctuation (Typ.) when power is turned on
Note:
Maximum current is 1.9 A.
Figure 1.1 Current fluctuation (Typ.) when power is turned on
(5) Power on/off sequence
The voltage detector circuit monitors +5 V and +12 V. The circuit does not allow a write
signal if either voltage is abnormal. This prevents data from being destroyed and eliminates
the need to be concerned with the power on/off sequence.
1
+5VDC
(0.5A/div)
0.0
0.0
0.5
1.0
[A]
1.5
[A]
0.5
2
1 0
+12VDC
(0.5A/div)
3 2 5 4 [seconds] 8 7 6