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FMTR2812S Datasheet(PDF) 2 Page - Crane Aerospace & Electronics.

Part No. FMTR2812S
Description  EMI FILTERED DC/DC CONVERTERS 28 VOLT INPUT
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Manufacturer  CRANE [Crane Aerospace & Electronics.]
Direct Link  http://www.craneae.com
Logo CRANE - Crane Aerospace & Electronics.

FMTR2812S Datasheet(HTML) 2 Page - Crane Aerospace & Electronics.

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SINGLE OUTPUT MODELS
FMTR283R3S
FMTR2805S
FMTR2812S
FMTR2815S
PARAMETER
CONDITION
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
OUTPUT VOLTAGE
25°C
3.26
3.30
3.34
4.95
5.00
5.05 11.88 12.00 12.12 14.85 15.00 15.15
VDC
–55°C TO +125°C
3.20
3.30
3.40
4.85
5.00
5.15 11.64 12.00 12.36 14.55 15.00 15.45
OUTPUT CURRENT1
VIN = 17 to 40 VDC
0
––
6.06
0
5.0
0
2.5
0
2.0
A
OUTPUT POWER1
VIN = 17 to 40 VDC
0
20
0
25
0
30
0
30
W
OUTPUT RIPPLE
10 kHz – 2 MHz
25°C
70
140
110
220
60
120
25
50
mV p-p
VOLTAGE
——
180
——
260
——
160
——
90
LINE REGULATION2
VIN = 17 to 40 VDC
——
10
15
50
15
50
15
50
mV
LOAD REGULATION
NO LOAD TO FULL
——
10
15
50
15
50
15
50
mV
INPUT VOLTAGE1
NO LOAD TO FULL
17
28
40
17
28
40
17
28
40
17
28
40
VDC
INPUT CURRENT1
NO LOAD
30
75
35
75
35
75
35
75
mA
INHIBITED
78
38
38
38
mA
INPUT RIPPLE
CURRENT
10 kHz – 10 MHz
510
510
510
510
mA p-p
EFFICIENCY
INCLUDES FILTER
25°C73
75
75
77
79
82
80
83
%
70
72
72
74
76
78
77
79
LOAD FAULT3
POWER DISSIPATION
SHORT CIRCUIT 25°C
——
10
——
10
——
10
——
10
W
–55°C TO +125°C
——
12
——
12
——
12
——
12
RECOVERY 4, 6
1.4
6
1.4
5
1.4
5
1.4
5
ms
STEP LOAD RESP.
50% – 100% – 50%
TRANSIENT
±125
±250
±200 ±300
±250 ±400
±350 ±500
mV pk
RECOVERY4, 6
——
200
60
200
60
200
60
200
µs
STEP LINE RESP.6
17 – 40 – 17 VDC
TRANSIENT5
——
±300
±200 ±300
±400 ±500
±500 ±600
mV pk
RECOVERY4
——
300
——
300
——
300
——
300
µs
START-UP1
DELAY
1.4
5
1.4
5
1.4
5
1.4
5
ms
OVERSHOOT6
FULL LOAD
050
050
0
120
0
150
mV pk
NO LOAD
33
150
50
250
120
600
150
750
TYPICAL CHARACTERISTICS
SYNC AND INHIBIT
RECOMMENDED OPERATING CONDITIONS
ABSOLUTE MAXIMUM RATINGS
Input Voltage
• 17 to 40 VDC
Output Power
• 25 to 30 watts depending on model
• Input filter current, 2.7 A max.
Lead Soldering Temperature (10 sec per pin)
• 300°C
Storage Temperature Range (Case)
•–65°C to +135°C
2
FMTR SERIES
30 WATT
DC/DC CONVERTERS
Output Voltage Temperature Coefficient
• 100 ppm/°C typical
Input to Output Capacitance
• 50 pF typ
Current Limit
• 115% of full load typical
Isolation
• 100 megohm minimum at 500 V
Audio Rejection
• 40 dB typical
Conversion Frequency
• Free run 550 min, 600 typ, 650 max kHz
• External sync 500 to 675 kHz
Inhibit Pin Voltage (unit enabled)
• 9 to 11 V
Input Filter DC Resistance
• 0.2 ohms max
Input Voltage Range
• 17 to 40 VDC continuous
• 50V for 50 ms transient protection
Case Operating Temperature (Tc)
•–55°C to +125°C full power
•–55°C to +135°C absolute
Derating Output Power/Current
• Linearly from 100% at 125°C to 0% at 135°C
Electrical Characteristics: -55°C to +125° Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified.
Sync (500 to 675 kHz)
• Duty cycle 40% min, 60% max
• Logic low 0.8 V max
• Logic high 4.5 V min, 5 V max
• Referenced to inh/sync return
• If not used, connect to inh/sync return
Inhibit TTL Open Collector
• Logic low (output disabled)
Voltage
≤0.8 V
Inhibit pin current 8.0 mA max
• Referenced to inh/sync return
• Logic high (output enabled)
Open collector
Notes
1. Tc = –55°C to +125°C
2. Operation is limited below 17V (see Figure 19).
3. Indefinite short circuit protection not guaranteed above 125°C case.
4. Recovery time is measured from application of the transient to point at which
Vout is within 1% of final value.
5. Transition time
≥10 µs.
6. Parameter shall be tested as part of device characterization and after design
and process changes. Thereafter, parameters shall be guaranteed to the
limits specified in the electrical Characteristics table.
EMI FILTER
Noise Rejection - Minimum
500 kHz
55 dB
1 MHz
60 dB
5 MHz
60 dB


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