®
IMX35 Series Data Sheet
35 Watt Quad-Output DC-DC Converters
Electrical Input Data
General conditions:
T
A
= 25 °C, unless specified
Pins 8 (shutdown or i), 6 (W), 5 (Trim or Trim1), and 1 (PUL) left open-circuit (not connected), unless specified.
Table 2: Input Data
Input
Characteristics
V
i
V
i nom
V
i sur
t
start-up
t
rise
I
i o
I
irr
I
inr p
C
i
––
V
S D
––
R
SD
––
I
SD
20 IMX35
Conditions
T
A min
to
T
A max
I
o
= 0 to
I
o nom
Abs. max input (3 s)
Worst case condition at
V
i min
and full load
V
i nom
resist load
I
o nom
capac. load
No load input current
Reflected ripple current
Inrush peak current
4
Input capacitance
Shut down voltage
Shutdown input resistance
Input current during shutdown
V
i
Switching frequency
min
40 IMX35
max
36
min
18
2
40
40
100
0.25
3
12
70
30
8
6
12
50
30
9
1.3
–10 to 0.7
open circuit or 2 to 20
approx. 10
12
6
220
240
0.5
0.1
0.5
0.1
typ
max
75
Unit
VDC
min
9
2
typ
20
0.25
3
6
Input voltage range
1
Nominal input voltage
Repetitive surge voltage
Converter
Switch on
start-up time
2
S D high
¯¯
Rise time
3
s
ms
mA
mA
pp
A
µF
V
k
Ω
mA
kHz
I
o
= 0,
V
i min
to
V
i max
I
o
= 0 to
I
o nom
V
i
=
V
i nom
for surge calculation
Converter disabled
Converter operating
to
V
i max
220
2
–10 to 0.7
open circuit or 2 to 20
approx. 10
f
s
V
i min
to
V
i max
,
I
o
= 0 to
I
o nom
240
Input
Characteristics
V
i
V
i nom
V
i sur
t
start-up
t
rise
I
i o
I
irr
I
inr p
C
i
––
V
S D
––
R
SD
––
I
SD
70 IMX35
Conditions
T
A min
to
T
A max
I
o
= 0 to
I
o nom
Abs. max input (3 s)
Worst case condition at
V
i min
and full load
V
i nom
resist load
I
o nom
capac. load
No load input current
Reflected ripple current
Inrush peak current
4
Input capacitance
Shut down voltage
Shutdown input resistance
Input current during shutdown
Switching frequency
V
i
min
110 IMX35
max
121
min
60
2
110
150
170
0.4
3
12
30
30
7
6
12
20
30
7
0.5
–10 to 0.7
open circuit or 2 to 20
approx. 10
5
5
220
240
0.7
0.1
0.5
0.1
typ
max
150
5
Unit
VDC
min
40
2
typ
70
0.25
3
6
Input voltage range
1
Nominal input voltage
Repetitive surge voltage
Converter
Switch on
2
start-up time
S D high
¯¯
Rise time
3
s
ms
mA
mA
pp
A
µF
V
k
Ω
mA
kHz
I
o
= 0,
V
i min
to
V
i max
I
o
= 0 to
I
o nom
V
i
=
V
i nom
for surge calculation
Converter disabled
Converter operating
to
V
i max
220
3
4
5
0.5
–10 to 0.7
open circuit or 2 to 20
approx. 10
f
s
1
V
i min
to
V
i max
,
I
o
= 0 to
I
o nom
240
2
V
i min
will not be as stated, if
V
o
is increased above
V
o nom
by
use of Trim input. If the output voltage is set to a higher value,
V
i min
will be proportionately increased.
Input undervoltage lockout at typ. 85% of
V
i min
.
Measured with resistive and max. admissible capacitive load.
Source impedance according to ETS 300132-2, version 4.3.
154 V during 2 s
BCD20009-G Rev AC, 06-May-2013
Page 4 of 15
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