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R-782.5-0.5 Datasheet Preview

R-782.5-0.5 Datasheet

DC/DC Converter

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Features
Switching
Regulator
• Efficiency up to 97%, no need for heatsinks
• Pin-out compatible with LM78XX linears
• Very low profile
• 4.75V - 32V Wide input range
• Short circuit protection, thermal shutdown
• Low ripple and noise
• IEC/EN60950-1 certified
DC/DC Converter
R-78-0.5
Description
The R-78xx-Series high efficiency switching regulators are ideally suited to replace 78xx linear
regultors and are pin compatible. The efficiency of up to 97% 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. Low ripple and
noise figures and short circuit, overload and over-temperature protection round off the specifications of
this versatile converter series. This R-78xx-0.5 is fully certified to EN55032 EMC Standard and for
IEC/EN-60950-1 + AM2 Safety.
0.5 Amp
SIP3
Single Output
Selection Guide
Part
Number
Input
Voltage Range
[VDC]
R-781.5-0.5
4.75 - 30 (1)
R-781.8-0.5
4.75 - 32
R-782.5-0.5
4.75 - 32
R-783.3-0.5 4.75 (2) - 32
R-785.0-0.5
6.5 - 32
R-786.5-0.5
8.0 - 32
R-789.0-0.5
11 - 32
R-7812-0.5 15 - 32
R-7815-0.5
18 - 32
Output
Voltage
[VDC]
1.5
1.8
2.5
3.3
5.0
6.5
9.0
12
15
Output Efficiency
Current
@ min Vin @ max. Vin
[A]
[%] [%]
0.5
73 63
0.5 82 71
0.5 87 77
0.5
91 81
0.5 94 86
0.5 95 88
0.5 96 92
0.5
97 94
0.5 97 95
Notes:
Note1: 1.5V Output can be unstable with Vin>30VDC
Note2: Refer to Transient Response on page I-3
IEC/EN60950-1 certified
EN55032 compliant
Model Numbering
R-78__-0.5
Output Voltage
Output Current
www.recom-power.com
REV.: 5/2019
I-1




Recom

R-782.5-0.5 Datasheet Preview

R-782.5-0.5 Datasheet

DC/DC Converter

No Preview Available !

R-78xx-0.5
DC/DC Converter
Specifications (measured @ Ta= 25°C, 10% minimum load, unless otherwise stated)
Series
BASIC CHARACTERISTICS
Parameter
Absolute Maximum Input Voltage
Quiescent Current
Internal Power Dissipation
Minimum Load (3)
Internal Operating Frequency
Output Ripple and Noise
Absolute Maximum
Capacitive Load
Condition
nom. Vin= 24VDC
20MHz BW, without output
capacitor
1.5 - 6.5VDC
9 - 15.5VDC
20MHz BW (4)
1.5VDC
1.8 - 15.5VDC
1 second start up, no external components
<1 second start up + diode protection circuit
Min.
0%
280kHz
Typ.
5mA
330kHz
20mVp-p
30mVp-p
15mVp-p
25mVp-p
Notes:
Note3: Operation under no load will not harm the converter, but specifications may not be met
A minimum load of 6mA is recommended
Note4: Measurements are made with a 100nF MLCC across output (low ESR)
Max.
34VDC
7mA
0.4W
380kHz
30mVp-p
40mVp-p
20mVp-p
35mVp-p
220µF
6800µF
Efficiency vs. Vin (full load)
100
90
80
70
60
50
40 15, 12Vout
30 9Vout
5Vout
20 3.3Vout
10
1.8Vout
1.5Vout
0
0
5 10
15 20
Input Voltage [VDC]
Efficiency vs. Load (max. Vin)
25
30 34
Ripple vs. Vin (full load)
50 15Vout
45 12Vout
9Vout
40 5Vout
35
3.3Vout
1.8Vout
30 1.5Vout
25
20
15
10
5
0
0
5 10
15 20
Input Voltage [VDC]
Ripple vs. Load (nom. Vin)
25
30 34
100 50 15Vout
90
45
12Vout
9Vout
80 40 5Vout
70
35
3.3Vout
1.8Vout
60 30 1.5Vout
50 25
40 15Vout
30 12Vout
5Vout
20 3.3Vout
10
1.8Vout
1.5Vout
0
0 10 20 30 40 50 60 70 80 90 100
20
15
10
5
0
0 10 20 30 40 50 60 70 80 90 100
Output Load [%]
continued on next page
Output Load [%]
www.recom-power.com
REV.: 5/2019
I-2


Part Number R-782.5-0.5
Description DC/DC Converter
Maker Recom
Total Page 7 Pages
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