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R-785.0-1.0 Datasheet Preview

R-785.0-1.0 Datasheet

DC/DC Converter

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Features
Switching
Regulator
• Efficiency up to 94%, no need for heatsinks
• Pin compatible with LM78XX linears
• Low profile (L/W/H=11.5 x 7.55 x 10.2mm)
• Wide input range
• Short circuit protection, thermal shutdown
• Low ripple and noise
• IEC/EN60950-1 certified
DC/DC Converter
R-78-1.0
Description
The R-78xx-1.0 series switching regulators are ideally suited to replace 1 Amp 78xx linear regulators
and are pin compatible. Efficiencies of up to 94% mean that very little energy is wasted as heat so there
is no need for any heat sinks with their additional space and mounting costs.
1.0 Amp
SIP3
Single Output
Selection Guide
Part
Number
Input
Voltage Range
[VDC]
R-781.8-1.0
4.75 - 18
R-782.5-1.0
4.75 - 18
R-783.3-1.0 4.75 - 18
R-785.0-1.0
6.5 - 18
Output
Voltage
[VDC]
1.8
2.5
3.3
5.0
Output Efficiency
Current
@ min Vin @ max. Vin
[A]
[%] [%]
1.0 82 76
1.0 87 81
1.0
90 84
1.0 94 89
Model Numbering
R-78__-1.0
Output Voltage
Output Current
Specifications (measured @ Ta= 25°C, 10% minimum load, unless otherwise stated)
BASIC CHARACTERISTICS
Parameter
Quiescent Current
Internal Power Dissipation
Minimum Load (1)
Internal Operating Frequency
Condition
Vin = min. to max. at 0% load
Min.
0%
280kHz
Typ.
5mA
350kHz
Max.
7mA
0.4W
430kHz
Output Ripple and Noise
measured at 20MHz BW
20mVp-p 30mVp-p
Absolute Maximum
Capacitive Load
1 second start up, no external components
<1 second start up + diode protection circuit
220µF
6800µF
Notes:
Note1: Operation under no load will not harm the converter, but specifications may not be met
A minimum load of 10mA is recommended
IEC/EN60950-1 certified
EN55032 compliant
continued on next page
www.recom-power.com
REV.: 4/2019
I-1




Recom

R-785.0-1.0 Datasheet Preview

R-785.0-1.0 Datasheet

DC/DC Converter

No Preview Available !

R-78xx-1.0
DC/DC Converter
Specifications (measured @ Ta= 25°C, 10% minimum load, unless otherwise stated)
Series
Efficiency vs. Vin (full load)
Ripple vs. Vin (full load)
100
90
80
70
60
50
40
30
20
10
0
5
5Vout
3.3Vout
2.5Vout
1.8Vout
7 9 11 13 15
Input Voltage [VDC]
17 18
50 5Vout
45
3.3Vout
2.5Vout
40 1.8Vout
35
30
25
20
15
10
5
0
5 7 9 11 13 15 17 18
Input Voltage [VDC]
Efficiency vs. Load (max. Vin)
100
90
80
70
60
50
40
30
20
10
0
0
5Vout
3.3Vout
2.5Vout
1.8Vout
10 20 30 40 50 60 70 80 90 100
Output Load [%]
Ripple vs. Load (max. Vin)
50 5Vout
45
3.3Vout
2.5Vout
40 1.8Vout
35
30
25
20
15
10
5
0
0 10 20 30 40 50 60 70 80 90 100
Output Load [%]
Efficiency vs. Load (min. Vin)
100
90
80
70
60
50
40
30
20
10
0
0
5Vout
3.3Vout
2.5Vout
1.8Vout
10 20 30 40 50 60 70 80 90 100
Output Load [%]
Ripple vs. Load (min. Vin)
50 5Vout
45
3.3Vout
2.5Vout
40 1.8Vout
35
30
25
20
15
10
5
0
0 10 20 30 40 50 60 70 80 90 100
Output Load [%]
www.recom-power.com
REV.: 4/2019
I-2


Part Number R-785.0-1.0
Description DC/DC Converter
Maker Recom
Total Page 6 Pages
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