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RAC20-B Datasheet, PDF (1/2 Pages) Recom International Power – 20 Watt Single Output
Features
Regulated
Converters
● Compact AC-DC Power Supply
● 20 Watt PCB Mount Package
● Universal Input Voltage Range
● 3000VAC Isolation
● Low Output Ripple and Noise
● Short Circuit Protected
● Low Temperature Operation
● Anti-Vibration Mechanical Fixing
● CE Marked
Description
Compact switching AC/DC power module for PCB, screw-terminal
connection or DIN-rail mounting. The converter is pin compatible with
the RAC05-SB and RAC10-SB models. A threaded insert is provided for
additional mechanical fixing.
Selection Guide
Part
Number
Input
Range
(VAC)
RAC20-3.3SB 90-264
Output
Voltage
(VDC)
3.3
Output
Current
(mA)
3600
Typical
Efficiency
(%)
74
Maximum
Power
(W)
11.9W
Max.
Capacitive
Load
4500µF
RAC20-05SB 90-264
5
3600
78
18W
3500µF
RAC20-12SB 90-264
12
1660
82
20W
1800µF
RAC20-15SB 90-264
15
1330
83
20W
1500µF
RAC20-24SB 90-264
24
833
83
*add suffix "-ST” for screw terminal module e.g. RAC20-05SB-ST
20W
1200µF
Specifications (typical at 25°C and after warm up time unless otherwise specified )
Input Voltage Range
90-264VAC or 120-370VDC
Rated Power
20 Watts max.
Input Frequency Range (for AC Input)
47-440Hz
Input Current (full load)
115VAC/230VAC
385mA / 250mA max.
No Load Power Consumption
115VAC/230VAC
470mW max.
Inrush Current (<2ms)
115VAC
20A max.
230VAC
40A max.
Leakage Current
0.75mA max.
Output Voltage Accuracy (Full load)
±2%
Line Voltage Regulation (low line, high line at full load)
±0.5% typ.
Load Voltage Regulation ( 5% to 100% full load )
±1% typ.
Output Ripple and Noise (2)
Ripple (3.3V, 5V)
75mVp-p max.
Noise (3.3V, 5V)
120mVp-p max.
Others (Ripple and Noise)
1% Vout
Operating Frequency
100 - 130kHz typ.
Minimum Load
0%
Isolation Voltage (input to output)
3000VAC min.
Temperature Coefficient
±0.02%/°C typ.
Isolation Resistance
100 MΩ min.
Short Circuit Protection
Continuous, Automatic Restart
Over Voltage Category
OVC II
Operating Temp. Range (Natural Convection, with derating)
-40°C to +70°C
3.3V, 5V (no derating)
-40°C to +40°C
Others (no derating)
-40°C to +45°C
Storage Temperature Range
-40°C to +85°C
Humidity
95% RH max.
Case Material
Epoxy with Fibreglass (UL94V-0)
Package Weight
59g
Packing Quantity
5 pcs (-ST Version: 1 pc)
EMC
designed to meet EN 55022 Class B / EN 55024
MTBF (+25°C)
using MIL-HDBK-217F
>250 x 103 hours
continued on next page
www.recom-power.com
REV: 0/2015
POWERLINE
AC/DC-Converter
with 3 year Warranty
20 Watt
Single
Output
RoHS
2011/65/EU
6/6
CE Marked
RAC20-B
Derating-Graph
(Ambient Temperature)
125
100
3.3V, 5V Others
75
Natural Convection
50
25
0
-40 -25 -10 0
38
60 70 80 90
45
Ambient Temperature Range (°C)
Refer to Application Notes
PA-47