Datasheet

www.recom-power.com
REV.: 5/2018 I-4
DC/DC Converter
Specifications (measured @ Ta= 25°C,1.5Vin, full load and after warm-up unless otherwise stated)
R-78S
Series
1 2 3 4
1 2 3 4
Marking
embossed logo
Bottom View
Top View
0.51
2.00
10.4
0.70
+0.10/-0.05
8.5
11.6
7.622.00
4.10
0.25
±0.05
2.54
2.54
DIMENSION AND PHYSICAL CHARACTERISTICS
Parameter Type Value
Material
case
potting
PCB
non-conductive black plastic, (UL94 V-0)
epoxy, (UL94 V-0)
FR4, (UL94 V-0)
Package Dimension (LxWxH) 11.6 x 8.5 x 10.4mm
Package Weight 2g typ.
EMC Compliance Condition Standard / Criterion
Electromagnetic compatibility of multimedia equipment -
Emission requirements
without external components
with external components
EN55032:2010, Class A
EN55032:2010, Class B
Information Technology Equipment - Immunity Characteristics - Limits
and Methods of Measurement
EN55024, 2010
ESD Electrostatic Discharge Immunity Test Air ±8kV and Contact ±4kV IEC61000-4-2:2008, Criteria A
Radiated, Radio-Frequency, Electromagnetic Field Immunity Test 3V/m IEC61000-4-3:2006, Criteria A
Fast Transient and Burst Immunity ±0.5kV IEC61000-4-4:2012, Criteria A
Surge Immunity ±0.5kV IEC61000-4-5:2005, Criteria A
Immunity to Conducted Disturbances, Induced by Radio-Frequency Fields 3V r.m.s. IEC61000-4-6:2013, Criteria A
Power Magnetic Field Immunity 50Hz, 1A/m IEC61000-4-8:2009, Criteria A
Dimension Drawing (mm)
Pin Connections
Pin # Function
1 +Vin
2 GND
3 +Vout
4 CTRL
Tolerance: xx.x= ±0.5mm
xx.xx= ±0.25mm
Recommended Footprint Details
EMC Filtering Suggestions according to EN55022 Class B
C1
L1
+Vin
GND
+Vout
GND
R-78S
C1 L1
2.2µF 16V MLCC 1µH Choke