R-78HB3.3-0.5 Datasheet PDF
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Features
Efficiency up to 96%,Non isolated,
no need for heatsinks
Pin-out compatible with LM78XX Linears
Low profile( L*W*H=11.5*8.5*17.5mm)
High voltage input range, up to 72V
Short circuit protection, Thermal shutdown
Non standard outputs available as specials
between 3.3V~24V
Low ripple and noise
”L” version with 90° pins
See Positive to Negative Converter
Application Note for use as a voltage
inverter (alternative to LM79xx Linear)
INNOLINE
DC/DC-Converter
R-78HBxx-
0.5(L)
Series
0.5 AMP
SIP3
Single Output
Selection Guide
Part
Number
SIP3
R-78HB3.3-0.5
Input
Range
(V)
9 - 72
Output
Voltage
(V)
3.3
R-78HB5.0-0.5
9 - 72
5.0
R-78HB6.5-0.5
9 - 72
6.5
R-78HB9.0-0.5
14 - 72
9.0
R-78HB12-0.5
17 - 72
12
R-78HB15-0.5
20 - 72
15
R-78HB24-0.3
36 - 72
24
* add Suffix “L” for 90° bent pins, e.g. R-78HB5.0-0.5L
Output
Current
(A)
0.5
Efficiency
Vmin. 30V 72V
(%) (%) (%)
82 80 76
0.5 87 85 81
0.5 91 87 84
0.5 92www.DataSheet4U.com
0.5 94
90 86
93 89
0.5 95 94 91
0.3 96 92
Description
The R-78HBxx-Series high efficiency, high input voltage switching regulators are ideally suited to replace
78xx linear regulators and are pin compatible. The efficiency of up to 96% means that very little energy is
wasted as heat so there is no need for any heat sinks with their additional space and mounting costs.
An input voltage range of up to 8:1is unsurpassed by any other converter and allows the full stored energy
utilisation of standard and high voltage batteries. The fully protected output is ideal for industrial applications
(especially for industry standard 24VDC bus supplies) and the L-Version with 90° pins allows direct replace-
ment for laid-flat regulators where component height is at a premium. Low ripple and noise figures and a
short circuit input current of typically only 15mA round off the specifications of this versatile converter
series.
Typical applications include telecommunication, automotive, industrial, aerospace and battery powered
applications.
Derating-Graph
(Ambient Temperature)
120
100
80
60
40 Safe Operating Area
20
0
-40
0
25 50
7585 100
Operating Temperature (°C) 71
www.recom-international.com
13-February-2007
1

Total : 4 Pages
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