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www.recom-international.com REV:0/2014
Package Style and Pinning (mm)
Output Power (%)
100
Operating Temperature (°C)
50
40
30
20
10
60
70
80
90
20
40 60 80 100
(Ambient Temperature Vin=24V)
110
85
70
INNOLINE
DC/DC-Converter
with 3 year Warranty
R-78E
I-41
500mA
Single Output
● Low Cost Switching Regulator
● Efficiency up to 92 %
● Short Circuit Protection
● Pin Compatible with 78 Series Regulators
● 3.3V, 5V / 500 mA Output
Features
Selection Guide
Part Input Output Output Efficiency
Number Range Voltage Current
(V) (V) (mA) (%)
R-78E5.0-0.5 7 - 28 5 500 82 - 92
R-78E3.3-0.5 6 - 28 3.3 500 75 - 88
RoHS
2011/65/EU
6/6
Input Voltage Range 5V Version 7 - 28 VDC
3.3V Version 6 - 28 VDC
Output Voltage 5.0 VDC
3.3VDC
Output Current Range 5 - 500 mA
Output Voltage Accuracy ± 3% max.
Efficiency see Table
Switching Frequency Vin = 24V 570 KHz typ.
Output Ripple & Noise @ 20MHz at Vin = 24 VDC, lo = Full Load 50mVp-p max.
Line Voltage Regulation ± 0.5 % max.
Load Voltage Regulation 10% to 100% Full Load ± 1 % max.
Short Circuit Protection Automatic Restart
Operating Ambient Temperature Range (see Derating Graph) -40°C - +85°C
Storage Temperature Range - 55°C - +125°C
Packing Quantity 42 pcs per tube
Thermal Shutdown Internal IC Junction +165°C
Output Current Limit all Series 2300mA min. / 3500mA typ.
(when Vin = 12V)
Certifications
EN General Safety Report: SPCLVD 1301026-1 EN60950-1:2006 + A12:2011
MTBF (25°C) MIL-HDBK-217F 4185 x 10³ hours
(75°C) MIL-HDBT-217F 2182 x 10³ hours
Specifications
(valid at nominal input voltage 24V full load after warm-up time unless otherwise states)
Derating-Graph
(Ambient Temperature)
2.54
2.54
Top View
Bottom View
Front View
8.5
2.0
0.25
5.08
3.21
213
4.10
0.51 typ.
0.5
± 0.1
10.4
RECOM
R-78E5.0-0.5
****
Pb
1.00ø+0.15/0
11.6
Pin Connections
Pin #
1 +Vin
2 GND
3 +Vout
xx.x ± 0.5mm
xx.xx ± 0.25mm
Recommended Footprint Details
EN-60950-1 Certified
The product information and specifications are subject to change without prior notice. All products are designed for non-safety critical commercial and industrial applications.
The Buyer agrees to implement safeguards that anticipate the consequences of any failures that might cause harm, loss of life and/or damage property.
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