www.recom-power.com REV.: 4/2019 I-4
DC/DC Converter
Specifi cations (measured @ Ta= 25°C, nom. Vin, full load and after warm up unless otherwise specifi ed)
R-78B-2.0
Series
SAFETY AND CERTIFICATIONS
Certifi cate Type (Safety) Report / File Number Standard
Audio/video, information and communication technology equipment
Safety requirements (CB Scheme) L0339m38-B1-L IEC62368-1: 2014, 2nd Edition
EN62368-1: 2014
EAC RU-AT.49.09571 TP TC 004/2011
RoHS2+ RoHS 2011/65/EU + AM2015/863
EMC Compliance Condition Standard / Criterion
Electromagnetic compatibility of multimedia equipment - Emission requirements with external components
(see fi lter suggestion below)
EN55032, Class A
EN55032, Class B
Information technology equipment - Immunity characteristics - Limits and methods
of measurement EN55024:2010
Electromagnetic compatibility of multimedia equipment - Emission requirements EN55032: 2013, Class B
ESD Electrostatic discharge immunity test Air ±8kV; Contact ± 4kV IEC61000-4-2, Criteria A
Radiated, radio-frequency, electromagnetic fi eld immunity test 3 V/m IEC61000-4-3, Criteria A
Fast Transient and Burst Immunity ±0.5kV IEC61000-4-4, Criteria A
Surge Immunity ±0.5kV IEC61000-4-5, Criteria A
Immunity to conducted disturbances, induced by radio-frequency fi elds 3V IEC61000-4-6, Criteria A
Power Magnetic Field Immunity 50Hz/ 1A/m IEC61000-4-8, Criteria A
DIMENSION and PHYSICAL CHARACTERISTICS
Parameter Type Value
Material
case
potting
PCB
plastic, (UL94 V-0)
silicone, (UL94 V-0)
FR4, (UL94 V-0)
Dimension (LxWxH) 11.5 x 8.5 x 17.5mm
Weight 4.0g typ.
continued on next page
EMC Filtering Suggestion according to EN55032
C1
L1 R-78Bxx-2.0
C2
GND
+VOUT
GND
+VIN
GND
+V
out
+V
in
EN55022 C1 C2 L1
Class A 4.7µF 50V MLCC 1206 N/A 3.3µH Choke
Class B 10µF 50V MLCC 1210 4.7µF 50V MLCC 1206 10µH Choke