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REM20-W Datasheet(PDF) 4 Page - Recom International Power

Part # REM20-W
Description  20 Watt 4:1 Input 1.6 x 1 Single and Dual Output
PDF  8 Pages
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Manufacturer  RECOM [Recom International Power]
Direct Link  http://www.recom-international.com
Logo RECOM - Recom International Power

REM20-W Datasheet(HTML) 4 Page - Recom International Power

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DC/DC Converter
Specifications (measured @ Ta= 25°C, nominal input voltage, full load and after warm-up)
continued on next page
www.recom-power.com
REV.: 0/2018
MED-4
Trim up
1
2
3
4
5
6
7
8
9
10
[%]
Voutset =
12.12
12.24
12.36
12.48
12.60
12.72
12.84
12.96
13.08
13.20
[VDC]
R
up (E96) ≈
205k
10k
64k9
47k5
36k5
29k4
24k9
20k1
17k9
15k8
[
W]
Trim up
1
2
3
4
5
6
7
8
9
10
[%]
Voutset =
5.05
5.10
5.15
5.20
5.25
5.30
5.35
5.40
5.45
5.50
[VDC]
R
up (E96) ≈
255k
127k
82k5
61k9
48k7
40k2
34k8
301
26k1
23k7
[
W]
REM20-xx12SW(/P)
REM20-xx05SW(/P)
Trim down
1
2
3
4
5
6
7
8
9
10
[%]
Voutset =
11.88
11.76
11.64
11.52
11.40
11.28
11.16
11.04
10.92
10.8
[VDC]
R
down (E96) ≈
768k
383k
249k
182k
143k
118k
97k6
84k5
73k2
63k4
[
W]
Trim down
1
2
3
4
5
6
7
8
9
10
[%]
Voutset =
4.95
4.90
4.85
4.80
4.75
4.70
4.65
4.60
4.55
4.50
[VDC]
R
down (E96) ≈
249k
121k
78k7
56k2
44k2
35k7
29k4
24k9
21k
18k2
[
W]
Trim up
1
2
3
4
5
6
7
8
9
10
[%]
Voutset =
15.15
15.30
15.45
15.60
15.75
15.90
16.05
16.20
16.35
16.50
[VDC]
R
up (E96) ≈
162k
78k7
49k9
36k5
28k
22k6
18k7
15k8
13k3
11k5
[
W]
Trim up
11
12
13
14
15
16
17
18
19
20
[%]
Voutset =
16.65
16.80
16.95
17.10
17.25
17.40
17.55
17.70
17.85
18.00
[VDC]
R
up (E96) ≈
10k
8k8
7k6
6k8
6k
5k3
4k6
4k1
3k6
3k2
[
W]
REM20-xx15SW(/P)
Trim down
1
2
3
4
5
6
7
8
9
10
[%]
Voutset =
14.85
14.70
14.55
14.40
14.25
14.10
13.95
13.80
13.65
13.50
[VDC]
R
down (E96) ≈
825K
402k
261k
191k
150k
124k
105k
88k7
76k8
68k1
[
W]
Trim Calculation
Vout
nom
R
1
R
2
k
u
V
ref
5VDC
5k1
W
2k
W
2.5
2.5VDC
12VDC
10k
W
5k1
W
9.5
15VDC
10k
W
5k1
W
12.5
24VDC
56k
W
13k
W
21.5
Practical Example REM20-1212SW +10% / -10%:
Calculation:
Vout
nom
= nominal output voltage [VDC]
Vout
set
= trimmed output voltage [VDC]
V
ref
= reference voltage
[VDC]
R
up
= trim up resistor
[
W]
R
down
= trim down resistor
[
W]
R
1 & R2
= internal resistors
[
W]
k
u
= trim up factor
[ ]
R
up =
10k x 2.5
- 5k1
= 15k7W
13.2 - 2.5 - 9.5
R
up according to E96 ≈ 15k8W
R
down according to E96 ≈ 64k3W
R
down =
(10.8 - 2.5) x 10k
- 5k1 =
64k1
W
12 - 10.8
R
down =
(Vout
set - Vref ) x R1
- R
2
Vout
nom - Voutset
R
up =
R
1 x Vref
- R
2
Vout
set - Vref - ku
REM20-W
Series



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