SMFL2805S/HO CRANE [Crane Aerospace & Electronics.], SMFL2805S/HO Datasheet - Page 7
![no-image](/images/no-image-200.jpg)
SMFL2805S/HO
Manufacturer Part Number
SMFL2805S/HO
Description
SMFL Single and Dual DC/DC Converters
Manufacturer
CRANE [Crane Aerospace & Electronics.]
Datasheet
1.SMFL2805SHO.pdf
(13 pages)
www.craneae.com
Notes
1. Guaranteed by design, not tested.
2. Up to 70% of the total output power is available from either output providing the
3. Effect on negative Vout from 50%/50% loads to 70%/30% or
4. Effect on negative Vout from 50%/50% loads to 50% then 10% load on negative
Parameter
OutPut VOltage
OutPut current
OutPut POwer
OutPut riPPle
± V
line regulatiOn
lOaD regulatiOn
crOSS regulatiOn
tc = 25°c
inPut VOltage
inPut current
inPut riPPle current
eFFiciency
tc = 25°c
lOaD Fault
tc = 25°c
SteP lOaD reSPOnSe
± V
SteP line reSPOnSe
± V
Start-uP
opposite output is simultaneously carrying 30% of the total power.
30%/70% loads.
Vout.
Out
Out
Out
Electrical Characteristics: -55°C to +125°C Tc, 28 VDC Vin, 100% load, RHA level O, unless otherwise specified.
8
2
DUAL OUTPUT MODELS
1, 6
nO lOaD tO Full
sMFL single and dual dc/dc converters
V
V
in
IN
= 16
= 16
50% - 100% - 50% tranSient
tc = 25°c
16 - 40 -16 VDc tranSient
POwer DiSSiPatiOn
tO
tO
TRANSIENT
V
balanceD lOaD
inhibiteD–inh1
inhibiteD–inh2
ShOrt circuit
in
10
40 VDc
40 VDc
recOVery
10
cOntinuOuS
cOnDitiOnS
recOVery
recOVery
= 16
See nOte
See nOte
k
nO lOaD
k
h
Delay
h
z
z
tO
- 10 mh
- 2 mh
28 VoLt input – 65 Watt
1, 5
40 VDc
tOtal OutPut
each OutPut
3
4
1, 7
50 ms
1
z
z
+ V
+ V
+ V
- V
- V
- V
Out
Out
Out
Out
Out
Out
Rev H - 20061102
7
Page 7 of 13
MIN TYP MAx MIN TYP MAx MIN
4.95 5.00 5.05
4.92 5.00 5.08
0
0
0
—
—
—
—
—
—
—
16
—
—
—
—
—
75
—
—
—
—
—
—
—
5. Unit will shut down above approximately 45V but will be undamaged and will
6. Recovery time is measured from application of the transient to point at which Vout
7. Transition time > 10 µS.
8. Tested on release from inhibit.
9. Shall not compromise DC performance.
SMFL2805D
restart when voltage drops into normal range.
is within 1% of final value.
250
250
200
12.5
1.5
1.5
50
25
25
50
—
—
35
30
28
—
3.5
—
78
0
0
9
5
3
100 —
100
100
120
350
300
300
4.0
3.0
10
50 0
50
50
40
50
14
70
50 —
16
— 81
7
8
6
6 —
11.88 12.00 12.12
11.82 12.00 12.18
0
0
—
—
—
—
—
—
16
—
—
—
—
—
—
—
—
—
—
Crane Aerospace & Electronics Power Solutions
SMFL2812D
450
250
200
—
50
25
50
50
1.5
1.5
—
10
35
30
10
28
—
3.5
—
84
0
9
2
2
120 —
100
120
100
600
400
300
3.5
4.0
3.0
60 0
50
50
40
50
14
70
50 —
14
— 82
5
4
4
6 —
14.85 15.00 15.15
14.77 15.00 15.23
0
0
—
—
—
—
—
—
16
—
—
—
—
—
—
—
—
—
—
SMFL2815D
—
—
150
500
250
200
TYP
1.5
1.5
50
25
50
—
10
35
30
10
28
—
85
3.5
0
9
2
2
MAx
3.03
4.33
150
100
150
100
600
400
300
4.0
3.0
65
50
50
40
50
14
70
80
14
—
4
4
6
mV p-p
mA p-p
unitS
mV pk
mV pk
VDc
VDc
mV
mV
mA
ms
µs
ms
mS
w
w
%
%
a
V