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REM3 Datasheet(PDF) 2 Page - Recom International Power

Part # REM3
Description  Reinforced Insulation for 250VAC Working Voltage
PDF  5 Pages
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Manufacturer  RECOM [Recom International Power]
Direct Link  http://www.recom-international.com
Logo RECOM - Recom International Power

REM3 Datasheet(HTML) 2 Page - Recom International Power

  REM3 Datasheet HTML 1Page - Recom International Power REM3 Datasheet HTML 2Page - Recom International Power REM3 Datasheet HTML 3Page - Recom International Power REM3 Datasheet HTML 4Page - Recom International Power REM3 Datasheet HTML 5Page - Recom International Power  
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DC/DC Converter
MED-2
REV.: 06/2016
www.recom-power.com
BASIC CHARACTERISTICS
Parameter
Condition
Min.
Typ.
Max.
Absolute Maximum Input Voltage
( 3sec max.)
2:1
5Vin nom.
12Vin nom.
24Vin nom.
48Vin nom.
16VDC
25VDC
50VDC
100VDC
4:1
24Vin nom.
48Vin nom.
50VDC
100VDC
Under Voltage Lockout
2:1
5Vin nom.
12Vin nom.
24Vin nom.
48Vin nom.
4VDC
8VDC
16VDC
33VDC
4.5VDC
9VDC
18VDC
36VDC
4:1
24Vin nom.
48Vin nom.
8VDC
16VDC
9VDC
18VDC
Start-up Time
constant resistive load, Power up or Remote ON/OFF
30ms
Remote ON/OFF
(referenced to -Vin Pin)
DC-DC ON
DC-DC OFF
Open or 0-1.2VDC
2.2-12VDC
Current of CTRL Pin
-0.5mA
1mA
Remote OFF Input Current
2.5mA
Internal Operating Frequency
135kHz
150kHz
165kHz
Output Ripple and Noise
(20MHz BW limited)
10µF/25V X7R MLCC for 3.3, 5Vout
10µF/25V X7R MLCC for 12, 15Vout
4.7µF/50V X7R MLCC for 24Vout
30mVp-p
40mVp-p
50mVp-p
Calculation Example:
Vin = 12V
Iout = 50%
Eff
100% = 87.5%
Eff
factor50% = 0.98
R
th = 18°C/W
T
CASEmax = 105°C
T
AMBmax
=
T
CASEmax - TOVER =
105 - 4.5 =
100.5°C
T
OVER
=
R
th * PDIS50%
=
18 * 0.25 =
4.5°C
P
DIS50%
=
P
in50%
- P
out50%
=
P
out100% * 0.5
- (P
out100% * 0.5)
= 1.75 - 1.5
= 0.25W
Eff
50%
Eff
50%
=
Eff
100% * Efffactor50%
= 87.5 * 0.98
=
85.75%
Graph1: Efficiency Factor vs. Load
Load [%]
10
0
20
30
40
50
60
70
80
90 100
0.0
0.2
0.4
0.6
0.8
1.2
1.0
Efficiency Crosstable [%] @ full load
Input Voltage
5
12
24
48
24W
48W
3.3S
81
82
82
81
82
81
05S
84.5
84.5
84.5
84
84.5
84
12S
85.5
87
87
87
87
87
15S
87.5
87
87
86.5
87
86.5
24S
85.5
87
87
86.5
87
86.5
05D
83
83.5
83
83
83
83
12D
86
87.5
86
86
87
86
15D
86
86.5
86
86
86
86
Table1: Efficiency Crosstable
Efficiency
REM3
Series
Specifications (measured @ ta= 25°C, nominal input voltage, full load and after warm-up)
10 20 30
40
50
60 70
80
90 100
Load [%]
50
60
70
80
90
100
choose your model:
REM3-1212D
• Efficiency from Table1 (= 87.5% @ max Load / nom Vin)
• Loading conditions in application (e.g. 50%)
• use Eff factor from Graph1 (= 0.98 @50%)
Calculation:



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