FMTR283R3S Datasheet, PDF (4/8 Pages) Interpoint Corporation Company – EMI FILTERED DC/DC CONVERTERS 28 VOLT INPUT

FMTR SERIES
30 WATT
DC/DC CONVERTERS
TRIM AND REMOTE SENSE (AVAILABLE ON SINGLE OUTPUT MODELS ONLY)
FMTR SINGLE OUTPUT CONVERTER
8
+VIN
10
OUTPUT
COMMON
1
SENSE
RETURN
9
SENSE
12
RL
1
INPUT
POSITIVE
RT
7
COMMON OUTPUT
11
FMTR SINGLE OUTPUT CONVERTER
8
+VIN
10
OUTPUT
COMMON
SENSE
2
RETURN
9
12
RL
SENSE
2
INPUT
POSITIVE
7
COMMON OUTPUT
11
EXTERNAL TRIM CONNECTION
1 _{Make connections at converter.}
FIGURE 2: TRIM CONNECTION1, ^{2, 3}
REMOTE SENSE CONNECTION
2 _{Make connections at load.}
FIGURE 3: REMOTE SENSE2, ³
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
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.
Angled corner indicates pin one.
1
2
3
TOP VIEW
FMTR
4
(Pin side, marked side)
5
6
See page 7 for dimensions.
FIGURE 4: PIN OUT
PIN OUT
12
11
10
9
8
7
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
4