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SMTR Datasheet(PDF) 4 Page - Interpoint Corporation Company

Part No. SMTR
Description  DC/DC CONVERTERS 28 VOLT INPUT
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Maker  INTERPOINT [Interpoint Corporation Company]
Homepage  http://www.interpoint.com
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SMTR Datasheet(HTML) 4 Page - Interpoint Corporation Company

 
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TRIM AND REMOTE SENSE (AVAILABLE ON SINGLE OUTPUT MODELS ONLY)
4
SMTR SERIES
30 WATT
DC/DC CONVERTERS
®
PIN OUT
BOTTOM VIEW
SMTR SINGLE
FLANGED AND NON-FLANGED
Dot on top of cover indicates pin one.
Dotted line outlines flanged package option.
6
10
7
8
9
12
345
FIGURE 3: PIN OUT SINGLE OUTPUT MODELS
RL
OUTPUT
COMMON
REMOTE SENSE CONNECTION
2 Make connections at load.
SMTR SINGLE OUTPUT CONVERTER
4
3
5
10
1
+VIN
INPUT
COMMON
6
SENSE
RETURN
SENSE
POSITIVE
OUTPUT
2
2
EXTERNAL TRIM CONNECTION
1 Make connections at converter.
RL
OUTPUT
COMMON
SMTR SINGLE OUTPUT CONVERTER
4
3
5
10
1
+VIN
INPUT
COMMON
6
SENSE
RETURN
SENSE
POSITIVE
OUTPUT
1
RT
1
Pin
Single Output
Dual Output
1
Positive Input
Positive Input
2
Inhibit
Inhibit
3
Sense Return
Positive Output
4
Output Common
Output Common
5
Positive Output
Negative Output
6
Positive Sense
Case Ground
7
Case Ground
Case Ground
8
Case Ground
Case Ground
9
Sync
Sync
10
Input Common
Input Common
BOTTOM VIEW
SMTR DUAL
FLANGED AND NON-FLANGED
Dot on top of cover indicates pin one.
6
10
7
8
9
12
345
Dotted line outlines flanged package option.
FIGURE 4: PIN OUT DUAL OUTPUT MODELS
See Figures 22 and 23 and for dimensions.
See Figures 24 and 25 for dimensions.
FIGURE 2: REMOTE SENSE2, 3
FIGURE 1: 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 3 to
pin 4 and pin 5 to pin 6 or the output voltage will increase by 1.2 volts.
3. CAUTION: The converter will be permanently damaged if the positive
remote sense (pin 6) 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.
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


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