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FMTR2812S Datasheet(PDF) 4 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) 4 Page - Crane Aerospace & Electronics.

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TRIM AND REMOTE SENSE (AVAILABLE ON SINGLE OUTPUT MODELS ONLY)
Trim Formulas
Vout = desired output voltage; Rt = trim resistor
3.3V: Rt = 1300 * Vout – 4304
1.2475
5V:
Rt = 1300 * Vout – 6512
1.2475
12V: Rt = 1300 * Vout – 15631
1.2475
15V: Rt = 1300 * Vout – 19498
1.2475
4
FMTR SERIES
30 WATT
DC/DC CONVERTERS
PIN OUT
RL
OUTPUT
COMMON
REMOTE SENSE CONNECTION
2 Make connections at load.
FMTR SINGLE OUTPUT CONVERTER
10
9
11
7
8
+VIN
INPUT
COMMON
12
SENSE
RETURN
SENSE
POSITIVE
OUTPUT
2
2
EXTERNAL TRIM CONNECTION
1 Make connections at converter.
RL
OUTPUT
COMMON
FMTR SINGLE OUTPUT CONVERTER
10
9
11
7
8
+VIN
INPUT
COMMON
12
SENSE
RETURN
SENSE
POSITIVE
OUTPUT
1
RT
1
FIGURE 3: REMOTE SENSE2, 3
FIGURE 2: TRIM CONNECTION1, 2, 3
Notes for Remote Sense and Trim
1. When trimming output voltage and/or remote sensing, the total
output voltage increase must be less than 0.6 volts at the converters
pins to maintain specified performance.
2. If neither voltage trim nor remote sense will be used, connect pin 9
to pin 10 and pin 11 to pin 12 or the output voltage will increase by
1.2 volts
3. CAUTION: The converter will be permanently damaged if the posi-
tive remote sense (pin 12) is shorted to ground. Damage may also
result if the output common or positive output is disconnected from
the load with the remote sense leads connected to the load.
Pin
Single Output
Dual Output
1
Sync
Sync
2
Inhibit/Sync Rtn
Inhibit/Sync Rtn
3
Filter Out Rtn
Filter Out Rtn
4
Filter Out
Filter Out
5
Inhibit
Inhibit
6
No connection
No connection
7
Input Common
Input Common
8
28 V Input
28V Input
9
Sense Rtn
No connection
10
Output Common
Negative Output
11
Positive Output
Output Common
12
Positive Sense
Positive Output
FIGURE 4: PIN OUT
See page 7 for dimensions.
Angled corner indicates pin one.
1
2
3
4
5
6
12
11
10
9
8
7
TOP VIEW
FMTR
(Pin side, marked side)


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