Datasheet

www.recom-power.com
REV.: 5/2018 I-3
DC/DC Converter
Specifications (measured @ Ta= 25°C,1.5Vin, full load and after warm-up unless otherwise stated)
R-78S
Series
PROTECTIONS
Parameter Condition Value
Short Circuit Protection (SCP) below 100mW continuous, auto recovery
Over Temperature Protection (OTP) internal IC
≥ 150°C
≤ 130°C
shutdown
restart after cooling down
REGULATIONS
Parameter Condition Value
Output Accuracy ±3.0% typ.
Line Regulation low line to high line, full load
±0.3% typ.
Load Regulation 10% to 100% load ±1.0% typ.
ENVIRONMENTAL
Parameter Condition
Value
Operating Temperature Range with derating (see graph) -40°C to +100°C
Maximum Case Temperature +105°C
Temperature Coefficient 0.015%/°C
Operating Altitude 5000m
Operating Humidity non-condensing 5% to 95% RH
Pollution Degree PD2
MTBF according to MIL-HDBK-217F, G.B.
+25°C
+90°C
89365 x 10
3
hours
6963 x 10
3
hours
Vibration 10-55Hz, 2G, 30min along X, Y and Z axis
-40
90
100 120806040200-20
0
20
40
60
50
70
80
100
Ambient Temperature [°C]
Output Current [%]
Vin≥1.0V, R78S1.8-0.1
Vin≥1.8V, R78S3.3-0.1
Vin≥2.0V, R78S3.6-0.1
Vin<1.0V, R78S1.8-0.1
Vin<1.8V, R78S3.3-0.1
Vin<2.0V, R78S3.6-0.1
Derating Graph
(@ Chamber and natural convection 0.1m/s)
SAFETY AND CERTIFICATIONS
Certificate Type (Safety) Report / File Number Standard
Audio/video, information and communication technology equipment
Safety requirements (CB Scheme)
WD-SE-R-170351-00
IEC62368-1, 2nd Edition, 2014
EN62368-1, 2014
EAC RU-AT.49.09571 TP TC 004/2011
RoHs2+ RoHS 2011/65/EU + AM2015/863
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