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RPL-3.0 Datasheet(PDF) 4 Page - Recom International Power

Part # RPL-3.0
Description  Evaluation platform for RPL-3.0 Buck Regulator Module
PDF  6 Pages
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Manufacturer  RECOM [Recom International Power]
Direct Link  http://www.recom-international.com
Logo RECOM - Recom International Power

RPL-3.0 Datasheet(HTML) 4 Page - Recom International Power

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REV.: 0/2020
P-4
Evaluation Module
Specifications (measured @ Ta= 25°C, full load and after warm-up unless otherwise stated)
RPL-3.0-EVM-1
OUTPUT VOLTAGE TRIMMING
Vout
set = 1.8V
Trim up
Trim up
Trim up
Trim down
Trim down
Trim down
Voutset =
1.7
1.6
1.5
1.44
[VDC]
R
down (E96) ≈
422k
187k
110k
84k5
[
W]
Voutset =
3.1
3
2.8
2.64
[VDC]
R
down (E96) ≈
536k
340k
187k
130k
[
W]
Voutset =
4.7
4.5
4.3
4
[VDC]
R
down (E96) ≈
619k
348k
237k
150k
[
W]
Voutset =
1.82
1.88
1.90
1.98
[VDC]
R
up (E96) ≈
1M87
464k
374k
210k
[
W]
Voutset =
3.4
3.5
3.6
3.63
[VDC]
R
up (E96) ≈
374k
187k
124k
113k
[
W]
Voutset =
5.1
5.2
5.3
5.5
[VDC]
R
up (E96) ≈
374k
187k
124k
75k
[
W]
Vout
set = 5V
Vout
set = 3.3V
R
HI
R
LO
V
ref
37k6
W
47k
W
0.8VDC
Vout
nom
= nominal output voltage [VDC]
Vout
set
= trimmed output voltage [VDC]
V
ref
= reference voltage
[VDC]
R
up
= trim up resistor
[k
W]
R
down
= trim down resistor
[k
W]
R
HI, RLO
= internal resistors
[k
W]
Calculation:
The RPL-3.0 offers the feature of trimming the output voltage by using external trim resistors. The values for trim resistors are shown in trim
tables below according to E96 values; therefore, the specified voltage may slightly vary. Refer to “Selection Guide” for applicable Vout range.
Trim up
Vout
set= 5.1VDC
Vout
set= 4VDC
Rup
+Vout
Trim
Rdown
GND
Trim
Trim down
Rup
+Vout
Trim
Rdown
GND
Trim
(R17)
(R16)
Practical Example, trim up:
Practical Example, trim down:
R
up =
37k6W
- 1k
= 376kW
5.1 - 5
R
up according to E96 ≈ 374kW
R
down according to E96 ≈ 150kW
R
down =
(4 - 0.8) x 47kW
=
150k4
W
5 - 4
R
down =
(Vout
set - Vref) x RLO
Vout
nom - Vset
R
up =
R
HI
- 1k
Vout
set - Vnom



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