Recom R-78K5.0-0.5 Manual

Recom Audio/video konverter R-78K5.0-0.5

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Side 1/9
www.recom-power.com REV.: 0/2023 I-1
R-78K-0.5
DC/DC Converter
0.5 Amp
SIP3
Single Output
Description
The R-78K-0.5 series is a switching regulator module that has been designed to offer all the advantages
of a switching regulator (high efficiency, wide input range, accurate output voltage regulation) but with
a low cost for production quantities. Due to the R-78K-0.5’s high efficiency of up to 96%, no heat-sink
is required, and full load operation from -40 to 90°C is possible. The compact TO-220 compatible SIP3
package measures only 11.5 x 7.55 x 10.2mm, so it saves precious board space.
ABSOLUTE MAX RATINGS (exceeding these ratings may damage the device)
Parameter Condition Min. Max.Typ.
Maximum Input Voltage Slew Rate (1) +VIN to GND 10VDC/µs
Case Temperature -40°C 115°C
Storage Temperature -50°C 125°C
Features
Switching
Regulator
• Efficiency up to 96%, no need for heatsinks
• 4.5 - 36VDC wide input voltage
• -40°C to +90°C ambient operation without
derating
• Pin compatible with 78 series regulators
• Non isolated DC/DC converter
• Undervoltage and short circuit protection
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RoHS
2
+
compliant
10 from 10
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REACH
compliant
IEC/EN62368-1 3rd Edition certified
EN55032 compliant
Notes:
Note1: At higher slew rates or hard plugging, add 27µF E-Cap between +Vin and GND,
especially when Vin is >18VDC
Model Numbering
Specifications
Output CurrentOutput Voltage
R-78K -
Selection Guide
Part
Number
Input
Voltage Range
[VDC]
Output
Voltage
[VDC]
Output
Current
[mA]
Efficiency
@ min. Vin
[%]
@ max. Vin
[%]
R-78K1.5-0.5 4.5 - 36 1.5 500 83 66
R-78K1.8-0.5 4.5 - 36 1.8 500 85 70
R-78K2.5-0.5 4.5 - 36 2.5 500 87 75
R-78K3.3-0.5 4.5 - 36 3.3 500 89 80
R-78K5.0-0.5 6.5 - 36 5 500 92 85
R-78K6.5-0.5 8 - 36 6.5 500 93 86
R-78K9.0-0.5 12 - 36 9 500 94 89
R-78K12-0.5 15 - 36 12 500 95 91
R-78K15-0.5 18 - 36 15 500 96 92
www.recom-power.com REV.: 0/2023 I-2
Specifications (measured @ Ta= -40°C to +90°C, V
IN= 24VDC, full load and after warm-up unless otherwise stated)
R-78K-0.5
Series
DC/DC Converter
BASIC CHARACTERISTICS
Parameter Condition Min. Max.Typ.
Input Under Voltage Lockout (UVLO)
R-78K1.5-0.5, R-78K1.8-0.5,
R-78K2.5-0.5, R-78K3.3-0.5
DC-DC ON 5.15VDC 5.45VDC
DC-DC OFF 3.6VDC 3.9VDC
R-78K5-0.5 DC-DC ON 5.15VDC 5.45VDC
DC-DC OFF 4.6VDC 4.9VDC
R-78K6.5-0.5 DC-DC ON 7.0VDC 7.5VDC
DC-DC OFF 6.3VDC 6.7VDC
R-78K9-0.5 DC-DC ON 10.2VDC 10.8VDC
DC-DC OFF 9.1VDC 9.7VDC
R-78K12-0.5 DC-DC ON 13.8VDC 14.4VDC
DC-DC OFF 12.4VDC 13.0VDC
R-78K15-0.5 DC-DC ON 16.9VDC 17.5VDC
DC-DC OFF 15.2VDC 15.8VDC
Quiescent Current 1mA
Internal Switching Frequency 600kHz 700kHz 800kHz
Minimum Load 0%
Output Ripple and Noise 20MHz BW
R-78K1.5-0.5 - R-78K1.8-0.5 30mVp-p
R-78K2.5-0.5 - R-78K3.3-0.5 60mVp-p
R-78K5-0.5 - R-78K6.5-0.5 85mVp-p
R-78K9-0.5 - R-78K15-0.5 100mVp-p
continued on next page
Efficiency vs. Load
R-78K1.5-0.5
Power Dissipation vs. Load
0 10 20 30 40 50 60 70 80 90 100
100
80
60
40
90
70
50
30
20
10
0
Efficiency [%]
Output Load [%]
4.5VDC
12VDC
24VDC
36VDC
0.4
0.3
0.2
0.1
0.35
0.25
0.15
0.05
0
Power Dissipation [W]
0 10 20 30 40 50 60 70 80 90 100
Output Load [%]
4.5VDC
12VDC
24VDC
36VDC

Produkt Specifikationer

Mærke: Recom
Kategori: Audio/video konverter
Model: R-78K5.0-0.5

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