Recom R-78E3.3-0.5 Manual

Recom Audio/video konverter R-78E3.3-0.5

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Side 1/4
www.recom-power.com
REV.: 7/2021 I-1
Features
Switching
Regulator
• Low cost switching regulator
• High start-up current capability
• Efficiency up to 95%
• Pin compatible with 78 series regulators
• Non isolated DC-DC converter
• IEC/EN60950-1+ AM2 certified
R-78E-0.5
Description
The R-78E 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-78E’s high efficiency of up to 95% no heat-sink is required.
The compact TO-220 compatible SIP3 package measures only 11.6 x 8.5 x 10.4mm, so it saves
precious board space.
DC/DC Converter
0.5 Amp
SIP3
Single Output
3
IEC60950-1 certified
EN60950-1 certified
C
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R
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R
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P
L
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N
T
P
R
O
D
U
C
T
S
RoHS
2
+
compliant
10 from 10
C
O
M
C
O
N
V
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R
S
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M
P
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D
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C
T
S
REACH
compliant
Specifications (measured @ Ta= 25°C, full load, nominal input voltage and after warm-up)
BASIC CHARACTERISTICS
Parameter Condition Min. Max.Typ.
Input Voltage Range nom. Vin = 24VDC 6VDC 24VDC 28VDC
Quiescent Current 1.5mA
Minimum Load
(3)
2%
Internal Operating Frequency 570kHz
Output Ripple and Noise
(4)
20MHz BW
3.3, 5, 9Vout
12, 15Vout
50mVp-p
70mVp-p
continued on next page
Notes:
Note3: recommend to use with more than 2% load, if not, the ripple of the product may exceeds the
specification, but doesn’t affect the reliability of the product
Note4: Measurements are made with a 100nF MLCC across output (low ESR)
Notes:
Note1: Efficiency is tested at full load at +25°C ambient
Note2: Max. Cap Load is tested by nominal input and full resistive load
Model Numbering
Output Voltage Output Current
R-78E__-0.5
Selection Guide
Part
Number
Input
Voltage Range
[VDC]
Output
Voltage
[VDC]
Output
Current
[A]
Efficiency
(1)
max. Capacitive
Load
(2)
[µF]
@ min. Vin
[%]
@ max. Vin
[%]
R-78E3.3-0.5 6-28 3.3 0.5 88 75 220
R-78E5.0-0.5 7-28 5 0.5 92 82 220
R-78E9.0-0.5 12-28 9 0.5 94 89 220
R-78E12-0.5 15-28 12 0.5 95 92 220
R-78E15-0.5 18-28 15 0.5 95 93 220
www.recom-power.com
REV.: 7/2021 I-2
DC/DC Converter
Specifications (measured @ Ta= 25°C, full load, nominal input voltage and after warm-up)
R-78E-0.5
Series
ENVIRONMENTAL
Parameter Condition
Value
Operating Temperature Range natural convection and with derating (see graph) -40°C to +85°C
Maximum Case Temperature 100°C
Vibration 10-55Hz, 2G, 30min along X,Y,Z
MTBF according to MIL-HDBK-217F, G.B.
+25°C
+70°C
7976 x 10
3
hours
2182 x 10
3
hours
-40 -20 0 20 40 70
85
60-30 -10 10 30 50 80 90 100
100
80
60
40
90
70
50
30
20
10
0
Output Load [%]
Ambient Temperature [°C]
Derating Graph
REGULATIONS
Parameter
Condition
Value
Output Accuracy
±3.0% typ.
Line Regulation low line to high line, full load ±0.5% typ.
Load Regulation 10% to 100% load ±1.0% typ.
PROTECTIONS
Parameter Condition Value
Short Circuit Protection (SCP) continuous, automatic recovery
Efficiency vs Load R-78E5.0-0.5
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 [%]
7Vin
12Vin
24Vin
28Vin

Produkt Specifikationer

Mærke: Recom
Kategori: Audio/video konverter
Model: R-78E3.3-0.5

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