Recom R-78E3.3-0.5 Bruksanvisning


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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
O
M
C
O
N
V
E
R
T
E
R
S
C
O
M
P
L
I
A
N
T
P
R
O
D
U
C
T
S
RoHS
2
+
compliant
10 from 10
C
O
M
C
O
N
V
E
R
T
E
R
S
C
O
M
P
L
I
A
N
T
P
R
O
D
U
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


Produktspecifikationer

Varumärke: Recom
Kategori: Audio/video-omvandlare
Modell: R-78E3.3-0.5

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