Features
Regulated
Converters
●
●
●
●
●
●
●
●
20W 1”x 2” Package (50.1x25.4x10.8mm)
1.6kVDC Isolation
Wide Input 2:1
Regulated Output
UL94V-0 Package Material
Continuous Short Circuit Protection
Remote ON/OFF-Control for Single Types
Efficiency to 87%
ECONOLINE
DC/DC-Converter
REC20-
SRW/H
Series
20 Watt
1” x 2”
Single
Output
Selection Guide
Part
Number
1” x 2”
REC20-xx2.5SRW/H
REC20-xx3.3SRW/H
REC20-xx05SRW/H
2:1
xx = 18-36Vin = 24
xx = 36-75Vin = 48
Input
Voltage
(VDC)
18-36, 36-75
18-36, 36-75
18-36, 36-75
Output
Voltage
(VDC)
2.5
3.3
5
Output
Current
(mA)
4000
4000
4000
(%)
83
86
87
Efficiency
* add suffix "CTRL" for optional Remote ON/OFF-Control
Specifications
(Core Operating Area)
Input Voltage Range
Input Filter
Output Voltage Accuracy
Line Voltage Regulation
Load Voltage Regulation (10% to 100% full load )
Ripple
Noise
Operating Frequency
Over Power Protection
Over Voltage Protection
Short Circuit Protection
Transient Response
Efficiency at Full Load
Isolation Voltage
Rated Working Voltage
Isolation Capacitance
Isolation Resistance
Operating Temperature Range (Natural convection) (with derating)
Storage Temperature Range
Case Temperature
Temperature Coefficient
Relative Humidity
Case Material
Cooling Method
Package Weight
EMI (Conducted & Radiated Emission)
MTBF (+25°C)
Detailed Information see
(+40°C)
Application Notes chapter "MTBF"
MSL Level 1
2:1
π
type
±2% max.
±0.5% max.
±1% max.
110mVp-p max.
200mVp-p max.
400kHz typ.
Works over 120% of rating and recovers automatically
Zener diode clamp
Current limit, auto-recovery
500 us (100% to 50% full load at ±1% error band)
(tested for 1 second)
(long term isolation)
87% max.
1600VDC min.
see Application Notes
1000pF
100 MΩ min.
-25°C to +70°C (see Graph)
-55°C to +105°C
+100°C max.
±0.02%/°C
95% RH
Natural convection
32g
EN 55022 class A
>550 x 10
3
hours
193 x 10
3
hours
www.recom-international.com
Nickel-Plated Copper with Non-Conductive Base, Six-side Shielded
Designed to meet EN-60950-1
UL-60950-1 Pending
Derating-Graph
(Ambient Temperature)
120
100
Output Power (%)
80
60
40
20
0
Safe Operating Area
-25
0
25
40
50
70
75
100
Operating Temperature (°C)
}
using MIL-HDBK 217F
using MIL-HDBK 217F
July-2006
128
ECONOLINE
DC/DC-Converter
Package Style and Pinning (mm) 1” x 2” , Wide Input 2:1
1“ x 2“ PIN Package
50.10
10.80
6.00
REC20-SRW/H
Series
3rd angle
projection
25.40
25.40
1.0
15.24
20.32
20.32
20.32
Recommended Footprint Details
Pin Connections
3
1
2
5
10.16
2.54
10.16
2
1
4
3
2.54
2.54
Top View
5.08
Bottom View 4
Pin #
1
2
3
4
5
Single
+Vin
-Vin
+Vout
No Pin
-Vout
5
XX.X ± 0.5 mm
XX.XX ± 0.25 mm
1.2ø+0.2/0.1
REC20-Series also available with Remote ON/OFF - Control
For detailed information please contact your RECOM representative.
REC20-SRW/H/CTRL
3
1
2
6
Recommended Footprint Details
6
10.16
2.54
10.16
5
5
4
3
Pin Connections
Pin #
1
2
3
4
5
6
Single
+Vin
–Vin
+Vout
No Pin
-Vout
CTRL
5.08
7.62
Bottom View 4
2
1
2.54
2.54
Top View
1.2ø+0.2/0.1
XX.X ± 0.5 mm
XX.XX ± 0.25 mm
www.recom-international.com
July-2006
129
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