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SMRT2812DKP Datasheet(PDF) 10 Page - Crane Aerospace & Electronics.

Part # SMRT2812DKP
Description  SMRT Single, Dual and Triple DC/DC Converters
Download  17 Pages
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Manufacturer  CRANE [Crane Aerospace & Electronics.]
Direct Link  http://www.craneae.com
Logo CRANE - Crane Aerospace & Electronics.

SMRT2812DKP Datasheet(HTML) 10 Page - Crane Aerospace & Electronics.

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Notes
1. Guaranteed by design, not tested.
2. Maximum power dissipation when all outputs are shorted simultaneously.
3. Measured from release of inhibit or input voltage step.
4. Efficiency measured with all outputs at full load.
5. Up to 1 A is available from either auxiliary output provided the total auxiliary output power does not exceed 15 watts.
6. Half load to/from full load; Transition time ≥ 10 μs.
7. Converter should not be inhibited or operated below 19 Vin above 5x104 rads (Si) total dose.
8. If 3.3S model is trimmed to the high end of its range, then minimum Vin = 22 V.
9. Converters meet MIL-STD-461 specification revisions for conducted emissions C-CE03 and D-/E-CE-102. The actual value of input ripple current is
much less, the limit in the characteristic table is based on measurement resolution.
10. Minimum value pre-load on all outputs of 2% of full load should be used on all outputs at TID of 100k rads(Si) and greater to ensure tight regulation
over full input voltage range.
Electrical Characteristics: -55°C to +125°C Tc, 28 VDC Vin, 100% load, unless otherwise specified.
TRIPLE OUTPUT MODEL – SMRT283R312T
3.3
±12
UNITS
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
OUTPUT VOLTAGE
+ VOUT
3.23
3.30
3.37
11.76
12.00
12.24
-11.58
12.00
-12.42
VDC
- VOUT
OUTPUT CURRENT5, 10
3
0
±0.625
±1
A
OUTPUT POWER10
VIN = 19 TO 56 VDC
0
9 . 9
0
±7.5
15
W
OUTPUT RIPPLE
10 KHZ - 20 MHZ
200
150
mV p-p
LINE REGULATION
VIN = 19 TO 50 VDC
+ VOUT
30
5
30
10
70
mV
- VOUT
LOAD REGULATION
NO LOAD TO FULL
VIN = 19, 28, 50 VDC
+ VOUT
5
40
5
40
10
300
mV
- VOUT
TOTAL REGULATION
ALL CONDITIONS OF
LINE, LOAD, AGING,
TEMP AND RADIATION
3.0
3.6
±10.9
±13.1
V
OUT
INPUT VOLTAGE7, 8
CONTINUOUS
19
28
56
0
80
19
28
56
0
80
VDC
V
TRANSIENT 100 ms
INPUT CURRENT
INHIBITED7
50
110
50
110
mA
NO LOAD
INPUT RIPPLE CURRENT9
10 kHz - 20 MHz
10
50
10
50
mA p-p
EFFICIENCY4
68
68
%
LOAD FAULT
POWER DISSIPATION2
28
28
W
STEP LOAD RESPONSE6
TRANSIENT
-450
450
3
-450
450
3
mV pk
ms
RECOVERY
STEP LINE RESPONSE1
19 - 56 - 19 VIN
TRANSIENT
-500
500
4
-750
750
4
mV pk
ms
RECOVERY
START-UP
DELAY3
NO LOAD AND FULL
35
0
50
25
0
120
ms
mV pk
OVERSHOOT3
CAPACITIVE LOAD1
UNCONDITIONALLY
STABLE, START-UP
DELAY INCREASED
TC = 25°C
5000
1000
μF
Crane Aerospace & Electronics Power Solutions
www.craneae.com
Page 10 of 17
Rev B – 20080213
SMRT Single, Dual and Triple DC/DC Converters
28 VOLT INPUT – 35 WATT


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