Crane Aerospace & Electronics Power Solutions
SMTR Single, Dꢀꢁl ꢁnd Triple DC/DC Converters
28 VOꢂT INPuT – 30 WaTT – PENDINꢃ REVISION F REꢂEaSE
Electrical Characteristics: -55 to +125° C T , 28 VDC Vin, 100% load, no irraditaion, unless otherwise specified.
C
DUAL OUTPUT MODELS
SMTR2805D
SMTR2812D
TYP
SMTR2815D
TYP
unitS
parameter
COnDitiOnS
25°C
MIꢀ
4.95
TYP
5.00
5.00
—
MAX
5.05
MIꢀ
MAX
MIꢀ
MAX
Output VOltage
+VO u t
11.88
12.00
12.12
14.85
15.00
15.15
25°C
-VO u t -4.93
4.85
-5.08 -11.82 -12.00 -12.18 -14.77 -15.00 -15.23
VDC
-55 t O +125°C +VO u t
5.15
11.64
—
—
12.36
14.55
—
—
15.45
-55 t O +125°C -VO u t -4.83
—
-5.18 -11.58
-12.42 -14.47
-15.53
2, 3
Output Current
either Output
0
2.50
4.50
0
1.25
2.25
0
1.00
1.80
A
W
Vin = 16 t O 40 VDC
3, 4
Output pOwer
Output ripple
Vin = 16 t O 40 VDC
25°C
—
—
—
—
—
—
—
—
20
—
—
—
—
—
25
40
—
—
—
—
—
—
—
—
30
—
—
—
—
—
30
80
—
—
—
—
—
—
—
—
25
—
—
—
—
—
30
80
mV p-p
±VO u t 10 khz t O 2 mhz
90
120
50
120
50
line regulatiOn
Vin = 16 t O 40 VDC
+VO u t
50
mV
mV
%
-VO u t
+VO u t
-VO u t
100
50
150
50
180
50
lOaD regulatiOn
BALAꢀCED,
nO lOaD tO Full
100
150
180
CrOSS regulatiOn
1
eFFeCt On -V
Out
Se e nO t e 5
Se e nO t e 6
—
—
—
—
12
6
—
—
—
—
8.3
6
—
—
—
—
8
6
input VOltage
input Current
nO lOaD tO Full
COntinuOuS
16
28
40
16
28
40
16
28
40
VDC
V
1
TRAꢀSIEꢀT 50 ms
—
—
—
—
—
35
—
—
50
75
75
8
—
—
—
—
—
50
—
—
50
75
75
8
—
—
—
—
—
50
—
—
50
75
75
8
25°C, nO lOaD
nO lOaD
mA
mA p-p
%
inhiBiteD
input ripple
10 khz - 10 mhz
25°C
—
—
50
—
—
50
—
—
50
7
Current
eFFiCienCy
74
74
76
—
—
—
77
77
80
—
—
—
78
78
81
—
—
—
8
lOaD Fault
ShOrt CirCuit
—
—
—
—
—
—
10
5.0
—
—
—
—
—
—
10
5.0
—
—
—
—
—
—
10
5.0
W
ms
±VO u t
pOwer DiSSipatiOn
1, 9
reCOVery
Step lOaD
reSpOnSe
50% - 100% - 50% lOaD
tranSient
±300
±300
±400
mV pk
10
±V
Out
9
reCOVery
—
—
—
—
—
—
200
±400
300
—
—
—
—
—
—
200
±400
300
—
—
—
—
—
—
200
±500
300
µs
Ba l a n C e D lO a D
Step line
reSpOnSe
tranSient
mV pk
1,10
9
reCOVery
µs
±V
16 - 40 -16 VDC
Out,
7
Start-up
Delay
—
—
—
—
—
—
5
—
—
—
—
—
—
5
—
—
—
—
—
—
5
ms
±V
1
Out
OVerShOOt Full lOaD
180
250
120
600
150
750
mV pk
µF
1
OVerShOOt nO lOaD
1
CapaCitiVe lOaD
25°C, nO eFFeCt On
DC perFOrmanCe
—
—
500
—
—
500
—
—
500
ꢀotes: See page 9
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Rev F - 20090324 - Pending Revision F Release