Document
Features
Unregulated Converters
• Industry standard pinout • 1kVDC/1s or 2kVDC/1s isolation • UL94 V-0 package material • Fully encapsulated • Efficiency up to 85%
DC/DC Converter
RO
Description
The RO DC/DC converters are typically used in general purpose power isolation and voltage matching applications, and feature a full industrial operating temperature range of -40°C to +85°C without derating.
1 Watt SIP4
YEAR
3
arrant
Single Output
RE CTS
RE CTS
y
w
ERS CO
ERS CO
Selection Guide
Part Number
nom. Input Voltage [VDC]
RO-xx3.3S (3,4)
3.3, 5,12, 15, 24
RO-xx05S (3,4)
3.3, 5,12, 15, 24
RO-xx09S (3,4)
3.3, 5,12, 15, 24
RO-xx12S (3,4)
3.3, 5,12, 15, 24
RO-xx15S (3,4)
3.3, 5,12, 15, 24
RO-xx24S (3,4)
3.3, 5,12, 15, 24
Output Voltage [VDC]
3.3 5 9 12 15 24
Output Current
[mA] 303 200 111 83 66 42
Efficiency typ. (1) [%] 75 78-80 78-80 80-84 80-84 78-85
max. Capacitive Load (2) [µF] 2200 1000 1000 470 470 220
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
COM CONVERT
RoHS 2+
compliant 10 from 10
M PLIANT PRODU
COM CONVERT
REACH
compliant
M PLIANT PRODU
E358085
Model Numbering
RO- __ __S/_
Input Voltage Output Voltage
“Protection (3)” “Isolation Option (4)” Single
Notes:
Note3: standard part is without continuous short circuit protection
add suffix „/P“ for continuous short circuit protection
Note4: add suffix „/H“ for 2kVDC/1s isolation
or add suffix „/HP“ for continuous short circuit protection and 2kVDC/1s isolation
UL60950-1 certified CAN/CSA-C22.2 No 60950-1 certified EN60950-1 certified IEC60950-1 certified EN55032 compliant CB report
Ordering Examples: RO-123.3S/P: 12VDC Input Voltage, 3.3VDC Output Voltage, Single Output with continuous short circuit protection RO-0509S/HP: 5VDC Input Voltage, 9VDC Output Voltage, Single Output with 2kVDC/1s Isolation and continuous short circuit protection
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REV.: 4/2020
ECO-1
RO
DC/DC Converter
Specifications (measured @ Ta= 25°C, nom. Vin, full load unless otherwise stated)
Series
BASIC CHARACTERISTICS Parameter
Internal Input Filter Input Voltage Range Minimum Load Internal Operating Frequency Output Ripple and Noise
Condition 20MHz BW
Min.
0% 50kHz
Typ. ±10% 100kHz
Max. capacitor
105kHz 100mVp-p
Efficiency [%] Efficiency [%]
Efficiency vs. Load
RO-xx05S
100
90
80
70
60
50
40
30
20
3.305
0505
10
1205
0 0 10 20 30 40 50 60 70 80 90 100
Output Load [%]
100 90 80 70 60 50 40 30 20 10 0
0
RO-xx12S
3.312 0512 1212 10 20 30 40 50 60 70 80 90 100 Output Load [%]
Efficiency [%]
100 90 80 70 60 50 40 30 20 10 0
0
10 20
RO-xx15S
30 40 50 60 70 Output Load [%]
3.315 0515 1215
80 90 100
REGULATIONS Parameter
Output Accuracy Line Regulation
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Condition low line to high line continued on next page
REV.: 4/2020
Value -2.0% typ. / ±5.0% max.
±1.2% of 1.0% Vin typ.
ECO-2
DC/DC Converter
Specifications (measured @ Ta= 25°C, nom. Vin, full load unless otherwise stated)
Parameter Load Regulation (5)
Condition
10% to 100% load
3.3Vout 5Vout 12, 15, 24Vout
Notes: Note5: Operation below 10% load will not harm the converter, but specifications may not be met
RO
Series
Value 20.0% max. 15.0% max. 10.0% max.
Tolerance Envelope RO-xx3.3S and RO-xx05S
RO-xx12S and RO-xx15S
+10%
+7%
Typical Load Line
+5%
Vnom -2%
-5%
+10%
+5%
Typical Load Line
+5%
Vnom
-2%
-5%
Output Voltage [%] Output Voltage [%]
10
50
100
Output Load [%]
10
50
100
Output Load [%]
Deviation vs. Load
25
RO-xx05S
RO-xx12S
25
20
3.305
20
3.312
0505
0512
15
1205
15
1212
Deviation [%] Deviation [%]
10
10
5
5
0
0
-5
-5
-10 0
10 20 30 40 50 60 70 80 90 100 Output Load [%]
-10 0 10 20 30 40 50 60 70 80 90 100
Output Load [%]
RO-xx15S
25
20
3.315
0515
15
1215
Deviation [%]
10
5
0
-5
-10 0
10 20 30 40 50 60 70 80 90 100 Output Load [%]
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REV.: 4/2020
ECO-3
RO
DC/DC Converter
Specifications (measured @ Ta= 25°C, nom. Vin, full load unless otherwise stated)
Series
PROTECTIONS Parameter
Short Circuit Protection (SCP)
Isolation Voltage (6)
Isolation Resistance Isolation Capacitance Insulation Grade
I/P to O/P
Type
without suffix
with suffix “/P”
without suffix
tested for 1 second rated for 1 minute
with suffix
tested for 1 second
“/H”
rated for 1 minute
Value 1 second continuous
1kVDC 500VAC/60Hz
2kVDC 1kVAC/60Hz 10GΩ min. 20pF min. / 75pF max.
basic (IEC/EN60950-1) functional (IEC/EN60601-1)
Notes: Note6: For repeat Hi-Pot testing, reduce the time and/or the test voltage Note7: Refer to local safety regulations if input over-current protection is also required. Recommended fuse: slow blow type
ENVIRONMENTAL Parameter
Operating Temperature Range Ma.