Features
Regulated
Converter
Description
•
•
•
•
•
•
•
Wide input range 85-264VAC
Standby mode optimized PSU (ENER Lot 6)
Ultra-high efficiency over entire load range
Operating temperature range: -40°C to +85°C
Class
II
installations (without FG)
EMC compliant without external components
No load power consumption 40mW typ.
AC/DC Converter
RAC20-K
RAC
20 Watt
Single
Output
The RAC20-K series are highly efficient PCB-mount power conversion modules with ultra-low
energy losses especially in light load conditions, making them a benchmark for always-on and standby
mode operations, which are typically coming along with IoT and smart applications. The power supply
units cover worldwide mains input range of 85VAC up to 264VAC and come with international safety
certifications for industrial, AV and ITE as well as household standards. These AC/DC modules operate in
a temperature range of -40°C to +85°C and offer fully protected single or dual outputs as well as EMC
class B compliance without the need of any external components.
Selection Guide
Part
Number
RAC20-05SK
(3)
RAC20-12SK
(3)
RAC20-15SK
(3)
RAC20-24SK
(3)
RAC20-48SK
(3)
RAC20-12DK
RAC20-15DK
Input
Voltage Range
[VAC]
85-264
85-264
85-264
85-264
85-264
85-264
85-264
Output
Voltage
[VDC]
5
12
15
24
48
±12
±15
Output
Current
[mA]
4000
1670
1333
840
420
±833
±670
Efficiency
typ
(1)
[%]
84
86
86
85
85
84
84
Max. Capacitive
Load
(2)
[µF]
10000
8000
1500
1000
330
±1200
±1000
Notes:
Note1: Efficiency is tested at 230VAC input and constant resistive load at +25°C ambient
Note2: Max Cap Load is tested at nominal input and full resisitive load
ERP
compliant
LOT6
Model Numbering
RAC20-
nom. Output Power
Output Voltage
K/W
Wired
option
Single
or
Dual
E224736
Notes:
Note3: Add suffix „W“ for wired version (only single output)
12 - 48Vout versions available from Dec/2018
without suffix, standard pin version
RAC20-05SK
RAC20-05SK/W
RAC20-12DK
Ordering Examples:
5Watt
5Watt
5Watt
5Vout
5Vout
12Vout
Single Output
Single Output
Dual Output
standard pin version
wired version
standard pin version
IEC/EN62368-1 certified
UL62368-1 certified
CAN/CSA-C22.2 No. 62368-1-14 certified
IEC/ENC60335 pending
IEC/EN61204-3 compliant
EN55032/14 compliant
EN55024 compliant
CB Report
www.recom-power.com
REV.: 2/2018
PA-1
RAC20-K
AC/DC Converter
Specifications
(measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)
BASIC CHARACTERISTICS
Parameter
Internal Input Filter
Input Voltage Range
(4, 5)
Input Current
Inrush Current
No Load Power Consumption
ErP Lot 6 Standby Mode Conformity (Output Load
Capability)
Input Frequency Range
Minimum Load
(6)
Power Factor
Start-up Time
Rise Time
Hold-up Time
Internal Operating Frequency
Output Ripple and Noise
(7)
Notes:
Note4:
Note5:
Note6:
Note7:
20MHz BW
100mVp-p
115VAC
230VAC
nom. Vin= 230VAC
115VAC
230VAC
cold start at +25°C
230VAC
0.5W
Input Power = 1.0W
2.0W
AC Input
single
dual (required for regulation on both outputs)
115VAC
230VAC
115VAC
230VAC
40mW
0.3W
0.7W
1.6W
47Hz
0%
5%
0.6
0.5
150ms
40ms
15ms
90ms
100kHz
63Hz
85VAC
120VDC
230VAC
Series
Condition
Min.
Typ.
Max.
Pi type
264VAC
370VDC
450mA
400mA
20A
40A
The products were submitted for safety files at AC-Input operation
Refer to line derating graph on page 5
Operation below 5% load will not harm the converter, but specifications may not be met
Measurements are made with a 1.0µF MLCC across output (low ESR)
Efficiency vs. Load
RAC20-05SK(W)
100
90
80
100
90
80
RAC20-12SK(W)
Efficiency [%]
70
60
50
40
30
20
10
0
0
10
20
30
40
50
60
70
115VAC
230VAC
Efficiency [%]
70
60
50
40
30
20
10
115VAC
230VAC
80
90
100
0
0
10
20
30
40
50
60
70
80
90
100
Output Load [%]
continued on next page
www.recom-power.com
REV.: 2/2018
Output Load [%]
PA-2
RAC20-K
AC/DC Converter
Specifications
(measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)
RAC20-15DK
2
1.5
1
115VAC
230VAC
2
1.5
1
115VAC
230VAC
Series
RAC20-24SK(W)
Deviation [%]
0.5
0
-0.5
-1
-1.5
-2
0
10
20
30
40
50
60
70
80
90
100
Deviation [%]
0.5
0
-0.5
-1
-1.5
-2
0
10
20
30
40
50
60
70
80
90
100
Output Load [%]
Output Load [%]
PROTECTIONS
Parameter
Input Fuse
(8)
Type
internal
below 100mW
Value
T3.15A, slow blow type
hiccup, auto recovery
150% - 195%, latch off mode
110% - 130%, hiccup mode
OVCII
Class
II
tested for 1 minute
3kVAC
Short Circuit Protection (SCP)
Over Voltage Protection (OVP)
Over Current Protection (OCP)
Over Voltage Category
Class of Equipment
Isolation Voltage
(9)
Isolation Resistance
Isolation Capacitance
Insulation Grade
Leakage Current
Notes:
I/P to O/P
V
iso
= 500VDC
1GW min.
100pF max.
reinforced
0.25mA max.
Note8: Refer to local safety regulations if input over-current protection is also required
Note9: For repeat Hi-Pot testing, reduce the time and/or the test voltage
ENVIRONMENTAL
Parameter
Operating Temperature Range
Maximum Case Temperature
Temperature Coefficient
Operating Altitude
Operating Humidity
IP Rating
Pollution Degree
Vibration
Design Lifetime
MTBF
according to MIL-STD-202G
+25°C
+55°C
according to MIL-HDBK-217F, G.B.
+25°C
+55°C
non-condensing
Condition
@ natural convection 0.1m/s
full load
refer to derating graph
Value
-40°C to +55°C
-40°C to +85°C
+95°C
0.05%/K
3000m
20% - 90% RH max.
IP20
PD2
10-500Hz, 2G 10min./1cycle, period 60min. along x,y,z axes
130 x 10³ hours
16 x 10³ hours
>450 x 10
3
hours
>56 x 10
3
hours
continued on next page
www.recom-power.com
REV.: 2/2018
PA-4
RAC20-K
AC/DC Converter
Specifications
(measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)
Derating Graph
(@ Chamber and natural convection 0.1m/s)
100
90
80
Series
Line Derating
100
90
80
Output Load [%]
60
50
40
30
20
10
0
-40
-20
0
20
40
60
55
80
100
Output Load [%]
70
70
60
50
40
30
20
10
0
85
90
264
Ambient Temperature [°C]
85
Input Voltage [VAC]
SAFETY AND CERTIFICATIONS
Certificate Type (Safety)
Audio/Video, information and communication technology equipment -
Safety requirements
Audio/Video, information and communication technology equipment -
Safety requirements (CB Scheme)
Household and similar electrical appliances – Safety – Part 1:
General requirements
RoHS 2
Report / File Number
E224736
E491408-A6002-CB-1
pending
Standard
UL62368-1, 2nd Edition, 2014
CAN/CSA C22.2 Nr. 62368-1-14, 2nd Ed. 2014
IEC62368-1:2014 2nd Edition
EN62368-1:2014 + A11:2017
IEC60335-1:2010 + AMD2:2016 + COR1:2016
EN60335-1:2012 + A11:2014 + A13:2017
RoHS-2011/65/EU
EMC Compliance
Low voltage power supplies, d.c. output Part 3: Electromagnetic compatibility (EMC)
Electromagnetic compatibility of multimedia equipment - Emission requirements
Electromagnetic compatibility of household appliances, electric tools and similar
apparatus - Emission Requirements
Information technology equipment - Immunity characters - Limits and methods of
measurement
Electromagnetic compatibility of household appliances, electric tools and similar
apparatus - Immunity Requirements
ESD Electrostatic discharge immunity test
Radiated, radio-frequency, electromagnetic field immunity test
Fast Transient and Burst Immunity
Surge Immunity
Immunity to conducted disturbances, induced by radio-frequency fields
Power Magnetic Field Immunity
Condition
without external filter
Standard / Criterion
IEC/EN61204-3:2000, Class B
EN55032:2015, Class B
EN55014-1:2006+A2:2011
EN55024:2010 + A1:2015
EN55014-2:2015
Air: ±2, 4, 8kV, Contact: ±2, 4kV
10V/m, 3V/m, 1V/m
AC Power Port: ±2.0kV
DC Output Port: ±2.0kV
AC Power Port: L-N ±1.0kV
DC Output Port: ±0.5kV
AC Power Port: 10V
DC Output Port: 10V
50Hz, 30A/m
Voltage Dips 20%
Voltage Dips 30%
Voltage Dips 60%
Voltage Dips 100%
Voltage Interruptions > 95%
continued on next page
EN61000-4-2:2009, Criteria B
EN61000-4-3:2006 + A1:2008, Criteria A
EN61000-4-4:2012, Criteria B
EN61000-4-5:2014+A1:2017, Criteria B
EN61000-4-6:2014, Criteria A
EN61000-4-8:2010, Criteria A
EN61000-4-11:2004+A1:2017, Criteria C
EN61000-4-11:2004+A1:2017, Criteria C
EN61000-4-11:2004+A1:2017, Criteria C
EN61000-4-11:2004+A1:2017, Criteria B
EN61000-4-11:2004+A1:2017, Criteria C
Voltage Dips and Interruptions
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REV.: 2/2018
PA-5
Microcontroller MCU
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