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Features
• Low cost 1W converter
• Power sharing on dual output versions
• 1kVDC/1s or 2kVDC/1s isolation option
DC/DC Converter
Unregulated
• Optional continuous short circuit protection
• Efficiency up to 85%
Converters
• UL94V-0 package material
Description
The RB series DC/DC converter has been designed for isolating or converting DC power rails in
general purpose applications. Although low cost, it does not compromise on features and offers
1KVDC/1s or 2kVDC/1s isolation, a –40°C to +85°C operating temperature range and optional
continuous short circuit protection.
Selection Guide
Part nom. Input Output Output Efficiency max. Capacitive
Number Voltage Voltage Current typ.
[VDC] [VDC] [mA] [%] [µF]
(3,4)
RB-xx3.3S
RB-xx05S
RB-xx09S
RB-xx12S
RB-xx15S
RB-xx24S
RB-xx3.3D
RB-xx05D
RB-xx09D
RB-xx12D
RB-xx15D
RB-xx24D
3.3, 5, 12, 15, 24 3.3 303 75 2200
(3,4)
3.3, 5, 12, 15, 24 5 200 70-78 2200
(3,4)
3.3, 5, 12, 15, 24 9 111 70-78 1000
(3,4)
3.3, 5, 12, 15, 24 12 84 78-80 470
(3,4)
3.3, 5, 12, 15, 24 15 66 80-84 470
(3,4)
3.3, 5, 12, 15, 24 24 42 74-85 220
(3,4)
3.3, 5, 12, 15, 24 ±3.3 ±152 70 ±1000
(3,4)
3.3, 5, 12, 15, 24 ±5 ±100 70-78 ±1000
(3,4)
3.3, 5, 12, 15, 24 ±9 ±56 76-79 ±470
(3,4)
3.3, 5, 12, 15, 24 ±12 ±42 78-82 ±220
(3,4)
3.3, 5, 12, 15, 24 ±15 ±33 80-84 ±220
(3,4)
3.3, 5, 12, 15, 24 ±24 ±21 80-84 ±100
Notes:
Note1: Efficiency is tested at nominal input and full load at +25°C ambient
Note2: Max Cap Load is tested at nominal input and full resistive load and is defined as the
capacitive load that will allow start up in under 1s without damage to the converter
(1)
Load
(2)
RB
1 Watt
SIP7
Single and
Dual Output
E358085
UL60950-1 certified
CAN/CSA-C22.2 No 60950-1 certified
IEC/EN60950-1 certified
EN55032 compliant
Model Numbering
RB- __ /
nom. Input Voltage
Output Voltage
“Protection
“Isolation Option
Single or Dual
Notes:
Note3: standard part is without Continuous Short Circuit Protection
add suffix „/P“ for Continuous Short Circuit Protection
Note4: standard part is with 1kVDC/1s Isolation
add suffix „/H“ for 2kVDC/1s Isolation
or add suffix „/HP“ for 2kVDC/1s Isolation and Continuous Short Circuit Protection
Ordering Examples:
RB-123.3/P: 12VDC Input Voltage, 3.3VDC Output Voltage, Single Output with continuous short circuit protection and 1kVDC/1s isolation
RB-0509D/HP: 5VDC Input Voltage, ±9VDC Output Voltage, Dual Output with continuous short circuit protection and 2kVDC/1s isolation
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REV.: 1/2019 ECO-1
(4)
”
(3)
”
Page 2
RB
100
Efficiency [%]
100
Efficiency [%]
Efficiency [%]
Efficiency [%]
DC/DC Converter
Series
Specifications (measured @ Ta= 25°C, nom. Vin, full load otherwise stated)
BASIC CHARACTERISTICS
Parameter Condition Min. Typ. Max.
Internal Input Filter capacitor
Input Voltage Range ±10%
Minimum Load 0%
Internal Operating Frequency
Output Ripple and Noise 20MHz BW
Efficiency vs. Load
RB-xx05S
100
90
80
70
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90
Output Load [%]
3.305
0505
1205
Single output
Dual output
100
90
80
70
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100
50kHz 100kHz 105kHz
100mVp-p
±75mVp-p
RB-xx09S
3.309
0509
1209
Output Load [%]
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RB-xx12S
100
90
80
70
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90
Output Load [%]
RB-xx15S
100
90
80
70
60
50
40
30
3.312
0512
1212
continued on next page
REV.: 1/2019 ECO-2
20
10
0
0 10 20 30 40 50 60 70 80 90 100
Output Load [%]
3.315
0515
1215
Page 3
RB
100
Efficiency [%]
100
Efficiency [%]
Output Load [%]
Efficiency [%]
Efficiency [%]
Output Load [%]
DC/DC Converter
Specifications (measured @ Ta= 25°C, nom. Vin, full load otherwise stated)
Efficiency vs. Load
RB-xx05D
100
90
80
70
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90
Output Load [%]
3.305
0505
1205
Series
RB-xx09D
100
90
80
70
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100
Output Load [%]
3.309
0509
1209
RB-xx12D
100
90
80
70
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90
3.312
0512
1212
RB-xx15D
100
90
80
70
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100
3.315
0515
1215
REGULATIONS
Parameter Condition Value
Output Accuracy ±5.0% typ.
Line Regulation low line to high line ±1.2% of 1.0% Vin typ.
Load Regulation
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(5)
Notes:
Note5: Operation below 10% load will not harm the converter, but specifications may not be met
10% to 100% load
continued on next page
REV.: 1/2019 ECO-3
3.3, 5Vout
9, 12, 15, 24Vout
15.0% max.
10.0% max.
Page 4
RB
Deviation [%]
Deviation [%]
Deviation [%]
Deviation [%]
Deviation [%]
Deviation [%]
DC/DC Converter
Specifications (measured @ Ta= 25°C, nom. Vin, full load otherwise stated)
Deviation vs. Load
25
20
15
10
5
0
-5
-10
0 10 20 30 40 50 60 70 80 90 100
RB-xx05S
3.305
0505
1205
Output Load [%]
Series
25
20
15
10
5
0
-5
-10
0 10 20 30 40 50 60 70 80 90 100
RB-xx09S
3.309
0509
1209
Output Load [%]
25
20
15
10
5
0
-5
-10
0 10 20 30 40 50 60 70 80 90 100
RB-xx12S
3.312
0512
1212
Output Load [%]
25
20
15
RB-xx05D
3.305
0505
1205
25
20
15
10
5
0
-5
-10
0 10 20 30 40 50 60 70 80 90 100
RB-xx15S
3.315
0515
1215
Output Load [%]
25
20
15
RB-xx09D
3.309
0509
1209
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10
5
0
-5
-10
0 10 20 30 40 50 60 70 80 90 100
Output Load [%]
10
5
0
-5
-10
0 10 20 30 40 50 60 70 80 90 100
Output Load [%]
REV.: 1/2019 ECO-4
Page 5
RB
Parameter
Type
Value
Value
Deviation [%]
Output Load [%]
Deviation [%]
Output Load [%]
DC/DC Converter
Specifications (measured @ Ta= 25°C, nom. Vin, full load otherwise stated)
Deviation vs. Load
RB-xx12D RB-xx15D
25
20
15
10
5
0
-5
-10
0 10 20 30 40 50 60 70 80 90 100
3.312
0512
1212
Series
25
20
15
10
5
0
-5
-10
0 10 20 30 40 50 60 70 80 90 100
3.315
0515
1215
PROTECTIONS
Short Circuit Protection (SCP)
Isolation Voltage
Isolation Resistance 10GΩ min.
Isolation Capacitance 20pF min. / 75pF max.
Insulation Grade
ENVIRONMENTAL
Parameter Condition
Operating Temperature Range full load @ free air convection, refer to “Derating Graph” -40°C to +85°C
Maximum Case Temperature +105°C
Temperature Coefficient ±0.03%/K typ.
Thermal Impedance 56K/W typ.
Operating Altitude 3000m
Operating Humidity non-condensing 95% RH max.
Pollution Degree PD2
MTBF according to MIL-HDBK-217F, G.B.
without suffix
with suffix “/P”
(6)
Notes:
Note6: For repeat Hi-Pot testing, reduce the time and/or the test voltage
Note7: Refer to local saftey regulations if input over-current protection is also required. Recommended fuse: slow blow type
I/P to O/P
without suffix
with suffix “/H”
tested for 1 second
rated for 1 minute
tested for 1 second
rated for 1 minute
basic (IEC/EN60950-1)
functional (IEC/EN60601-1)
+25°C
+85°C
continuous
500VAC/60Hz
1kVAC/60Hz
16400 x 10
10200 x 10
1 second
1kVDC
2kVDC
3
hours
3
hours
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continued on next page
REV.: 1/2019 ECO-5
Page 6
RB
Output Load [%]
Ambient Temperature [°C]
DC/DC Converter
Series
Specifications (measured @ Ta= 25°C, nom. Vin, full load otherwise stated)
Derating Graph
(@ free air convection)
SAFETY AND CERTIFICATIONS
Certificate Type (Safety) Report / File Number Standard
Information Technology Equipment, General Requirements for Safety E358085-A4-UL
Information Technology Equipment, General Requirements for Safety LVD1602031
Medical Electrical Equipment Part 1: General Requirements for Basic
Safety and Essential Performance
EAC RU-AT.49.09571 TP TC 004/2011
RoHS 2 RoHS-2011/65/EU + AM-2015/863
100
90
80
70
60
50
40
30
20
10
0
-40 -20 0 20 40 7060-30 -10 10 30 50 80 9085110100
WD-SE-R-180677-A0
UL60950-1, 2nd Edition:2007
CAN/CSA C22.2 No. 60950-1-03, 2nd Edition:2007
IEC60950-1:2005, 2nd Edition + A2:2013
EN60950-1:2006 + A2:2013
IEC60601-1:2005 + A1:2012, 3rd Edition
EN60601-1:2006 + A12:2014
EMC Compliance Condition Standard / Criterion
Electromagnetic compatibility of multimedia equipment Emission requirements
EMC Filter Suggestion according to EN55032
Component List Class A
MODEL C1 L1 C2 (safety) C3 (safety)
RB-0505S
RB-2405S
+V
-V
with external filter
(see filter suggestion below)
C
2
L
1
in
C
1
in
+V
in
-V
in
C
3
+V
out
-V
out
+V
-V
out
out
EN55032, Class A and B
Component List Class B
MODEL C1 L1 C2 (safety) C3 (safety)
10µF
100V MLCC
N/A N/A 2.2nFRB-1205S
RB-2405S
Notes:
Note8: Filter suggestions are valid for indicated part numbers only. For other part numbers, please contact RECOM tech support for advice
RB-0505S
10µF
100V MLCC
22µH choke
RLS-226
1nF 2.2nFRB-1205S
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REV.: 1/2019 ECO-6
Page 7
RB
PCB
non-conductive black plastic, (UL94 V-0)
epoxy, (UL94 V-0)
FR4, (UL94 V-0)
The
cause
unauthorized
DC/DC Converter
Series
Specifications (measured @ Ta= 25°C, nom. Vin, full load otherwise stated)
DIMENSION AND PHYSICAL CHARACTERISTICS
Parameter Type Value
case
Material
Dimension (LxWxH) 19.6 x 6.0 x 10.2mm
Weight 2.2g typ.
Dimension Drawing (mm)
embossed logo
10.2
4.10
2.54
0.50
0.51
19.6
+0.10/-0.05
Bottom View
1 2 64 5
1.27
potting
6.0
Marking
0.25
Recommended Footprint Details
+0.15/-0
1.00 Ø
1 2 64 5
Top View
±0.05
Pinning Information
Pin # Single Dual
1 +Vin +Vin
2 -Vin -Vin
4 NC -Vout
5 -Vout Com
6 +Vout +Vout
NC = No Connection
Tolerance:
xx.x= ±0.5mm
xx.xx= ±0.25mm
5x2.54= 12.702.0
2.54
PACKAGING INFORMATION
Parameter Type Value
Packaging Dimension (LxWxH) tube 520.0 x 16.0 x 9.0mm
Packaging Quantity tube 25pcs
Storage Temperature Range -55°C to +125°C
Storage Humidity non-condensing 95% RH max.
The product information and specifications may be subject to changes even without prior written notice.The product has been designed for various applications; its suitability lies in the responsibility of each customer.
products are not authorized for use in safety-critical applications without RECOM’s explicit written consent. A safety-critical application is an application where a failure may reasonably be expected to endanger or
loss of life, inflict bodily harm or damage property. The applicant shall indemnify and hold harmless RECOM, its affiliated companies and its representatives against any damage claims in connection with the
use of RECOM products in such safety-critical applications.
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REV.: 1/2019 ECO-7
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