Rainbow Electronics ATA6823 - Manual (Page 24)

24
4856E–AUTO–07/07
ATA6823 [Preliminary]
10. Schaffner and Electromagnetic Compatibility
10.1 Transients on Power-supply Rail (Battery)
The application (including IC and external protection circuitry, see Figure 1-1 on page 2 ) has to
withstand the test pulses in Table 10-1 .
Figure 10-1. Pulse 1 (R
i
= 10
Ω
)
Figure 10-2. Pulse 2 (R
i
= 10
Ω
)
Table 10-1. Test Pulses
Test
Pulse No.
Test
Level
Duration or Number
of Pulses Specs
Acceptance
level
1 –100V 10 min R
i
= 10
Ω
A
2 150V 10 min R
i
= 10
Ω
A
3a –200V 10 min R
i
= 50
Ω
A
3b 200V 10 min R
i
= 50
Ω
A
4 4V/5.5V 15 ms/2s R
i
= 0.01
Ω
A
5 40V
5 pulses, 1 minute
recurrence period
R
i
= 0.5
Ω
, t
d
= 400 ms, t
r
= 5 ms B
t 10%
< 100
µ
s
1 ms
5s
1
µ
s
200 ms
-100V
12V
V
90%
t
2
µ
s
50
µ
s
50
µ
s
200 ms
V
150V
12V
90%
10%