Features
Unregulated
Converters
Description
• High isolation 2W converter
• 3kVDC/1s and 4kVDC/1s basic isolation
• UL94V-0 package material
• Optional continuous short circuit protected
• Efficiency up to 84%
• Suitable for IGBT applications
DC/DC Converter
RKZ
The RKZ Series of 2W DC/DC Converters are certified to EN60950-1. This makes them suitable for high
end industrial applications such as IGBT driver circuitry. The RKZ converters are pin-compatible with the
RK and RH converter series, offering a simple way to upgrade a 1W high isolation supply to 2W.
2 Watt
SIP7
Single and
Dual Output
Selection Guide
Part
Number
RKZ-xx05S
(3,4)
RKZ-xx12S
(3,4)
RKZ-xx15S
(3,4)
RKZ-xx05D
(3,4)
RKZ-xx12D
(3,4)
RKZ-xx15D
(3,4)
RKZ-xx1509D
(3,4)
nom. Input
Voltage
[VDC]
5, 12, 24
5, 12, 24
5, 12, 24
5, 12, 24
5, 12, 24
5, 12, 24
5, 12, 24
Output
Voltage
[VDC]
5
12
15
±5
±12
±15
+15/-9
Output
Current
[mA]
400
168
132
±200
±84
±66
+67/-111
Efficiency
typ.
(1)
[%]
82-84
82-87
82-84
70-83
82-84
82-88
70-81
max. Capacitive
Load
(2)
[µF]
1500
330
330
±680
±220
±220
±330
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
IEC/EN60950-1 certified
IEC/EN60601-1 certified
EN55032 compliant
Model Numbering
RKZ- __
nom. Input Voltage
Output Voltage
/
Protection
(3)
Isolation Option
(4)
Single
or
Dual
Notes:
Note3: standard part is without Continuous Short Circuit Protection
add suffix „/P“ for Continuous Short Circuit Protection
Note4: add suffix „/H“ for 4kVDC/1s Isolation
or add suffix „/HP“ for 4kVDC/1s Isolation and Continuous Short Circuit Protection
Ordering Examples:
RKZ-0515S/P: 5VDC Input Voltage, 15VDC Output Voltage, Single Output with continuous short circuit protection
RKZ-0515D/HP: 5VDC Input Voltage, ±15VDC Output Voltage, Dual Output with continuous short circuit protection and 4kVDC/1s isolation
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REV.: 5/2019
ECO-1
RKZ
DC/DC Converter
Specifications
(measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)
BASIC CHARACTERISTICS
Parameter
Internal Input Filter
Input Voltage Range
Minimum Load
Internal Operating Frequency
Output Ripple and Noise
all others
RKZ-xx1509D
20MHz BW
0%
20kHz
20kHz
50kHz
51kHz
85kHz
150mVp-p
±10%
Series
Condition
Min.
Typ.
Max.
capacitor
Efficiency vs. Load
RKZ-xx05S
100
90
80
100
90
80
RKZ-xx12S
Efficiency [%]
60
50
40
30
20
10
0
0
10
20
30
40
50
60
70
80
0505
1205
2405
90
100
Efficiency [%]
70
70
60
50
40
30
20
10
0
0
10
20
30
40
50
60
70
80
0512
1212
2412
90
100
Output Load [%]
Output Load [%]
RKZ-xx15S
100
90
80
100
90
80
RKZ-xx05D
Efficiency [%]
60
50
40
30
20
10
0
0
10
20
30
40
50
60
70
80
0515
1215
2415
90
100
Efficiency [%]
70
70
60
50
40
30
20
10
0
0
10
20
30
40
50
60
70
80
0505
1205
2405
90
100
Output Load [%]
Output Load [%]
continued on next page
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REV.: 5/2019
ECO-2
RKZ
DC/DC Converter
Specifications
(measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)
Efficiency vs. Load
100
90
80
Series
RKZ-xx15D
100
90
80
RKZ-xx12D
Efficiency [%]
Efficiency [%]
70
60
50
40
30
20
10
0
0
10
20
30
40
50
60
70
80
0512
1212
2412
90
100
70
60
50
40
30
20
10
0
0
10
20
30
40
50
60
70
80
0515
1215
2415
90
100
Output Load [%]
Output Load [%]
REGULATIONS
Parameter
Output Accuracy
Line Regulation
Load Regulation
(5)
low line to high line
10% to 100% load
5Vout
12, 15, 24Vout and RKZ-xx1509D
Condition
Value
±5.0% max.
±1.2% of 1.0% Vin typ.
15.0% max.
10.0% max.
Notes:
Note5: Operation below 10% load will not harm the converter, but specifications may not be met
Deviation vs. Load
25
20
15
RKZ-xx05S
0505
1205
2405
25
20
15
RKZ-xx12S
0512
1212
2412
Deviation [%]
10
5
0
-5
-10
0
10
20
30
40
50
60
70
80
90
100
Deviation [%]
10
5
0
-5
-10
0
10
20
30
40
50
60
70
80
90
100
Output Load [%]
Output Load [%]
continued on next page
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REV.: 5/2019
ECO-3
RKZ
DC/DC Converter
Specifications
(measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)
Deviation vs. Load
25
20
15
Series
RKZ-xx05D
0515
1215
2415
25
20
15
0505
1205
2405
RKZ-xx15S
Deviation [%]
10
5
0
-5
-10
0
10
20
30
40
50
60
70
80
90
100
Deviation [%]
10
5
0
-5
-10
0
10
20
30
40
50
60
70
80
90
100
Output Load [%]
Output Load [%]
25
20
15
RKZ-xx12D
0512
1212
2412
25
20
15
RKZ-xx15D
0515
1215
2415
Deviation [%]
10
5
0
-5
-10
0
10
20
30
40
50
60
70
80
90
100
Deviation [%]
10
5
0
-5
-10
0
10
20
30
40
50
60
70
80
90
100
Output Load [%]
Output Load [%]
PROTECTIONS
Parameter
Short Circuit Protection (SCP)
Type
without suffix
with suffix “/P”
without suffix
I/P to O/P
with suffix “/H”
tested for 1 second
rated for 1 minute
tested for 1 second
rated for 1 minute
Value
1 second
continuous
3kVDC
1.5kVAC / 60Hz
4kVDC
2kVAC / 60Hz
10GΩ min.
120pF max.
basic (IEC/EN60950-1)
functional (IEC/EN60601-1)
Isolation Voltage
(6)
Isolation Resistance
Isolation Capacitance
Insulation Grade
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 required. Recommended fuse: slow blow type
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REV.: 5/2019
ECO-4
RKZ
DC/DC Converter
Specifications
(measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)
ENVIRONMENTAL
Parameter
Operating Temperature Range
Maximum Case Temperature
Temperature Coefficient
Thermal Impedance
Operating Altitude
Operating Humidity
Pollution Degree
MTBF
according to MIL-HDBK-217F, G.B.
+25°C
+85°C
non-condensing
Series
Condition
full load @ free air convection (see graph)
Value
-40°C to +85°C
+110°C
±0.03%/K typ.
40K/W typ.
3000m
95% RH max.
PD2
18300 x 10
3
hours
8070 x 10
3
hours
Derating Graph
(@ free air convection)
100
90
80
Output Load [%]
70
60
50
40
30
20
10
0
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110
85
Ambient Temperature [°C]
SAFETY AND CERTIFICATIONS
Certificate Type (Safety)
Information Technology Equipment, General Requirements for Safety
Medical electrical equipment Part 1: General requirements for basic
safety and essential performance
EAC
RoHS 2+
Report / File Number
SPCLVD1602031
WD-SE-R-180676-A0
(8)
RU-AT.49.09571
Standard
IEC60950-1:2005, 2nd Edition + A2:2013
EN60950-1:2006 + A2:2013
IEC60601-1:2005 + A1:2012, 3rd Edition
EN60601-1:2006 + A1:2013 + A12:2014
TP TC 004/2011
RoHS-2011/65/EU + AM-2015/863
EMC Compliance
Electromagnetic compatibility of multimedia equipment -
Emission requirements
Condition
with external filter
(see filter suggestion below)
Notes:
Note8: excluded +15/-9 version
continued on next page
Standard / Criterion
EN55032, Class B
EN55032, Class A
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REV.: 5/2019
ECO-5
Analogue and Mixed Signal
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