5.7kVDC 6W Quad Output Isolated Gate Drive SM DC-DC Converters
SELECTION GUIDE
Output 1 VHA / Output 2 VHB Output 3
VHC
Rated Output Current
Rated Output Voltage
Rated Output Voltage
Output 4 VL
Rated Output Current
Output Power
Order Code
1
FEATURES
No opto feedback
Patent protected
Four isolated output voltages suitable
for powering IGBT/SiC & Mosfet gate drives
simultaneously in a three phase bridge
configuration
Reinforced insulation to UL60950 with 8mm
creepage & clearance recognition pending
MGJ6Q05P24MC
MGJ6Q12P24MC
MGJ6Q24P24MC
Input
Voltage
Range
V
4.5 - 9
9 - 18
18 - 36
V
24
24
24
mA
42
42
42
W
1
1
1
V
24
24
24
mA
125
125
125
W
3
3
3
SELECTION GUIDE (Continued)
Output 1 VHA / Output 2 VHB
Output 3 VHC
Load Regulation (Max)
Load Regulation (Typ)
Load Regulation (Typ)
Ripple & Noise (Max)
2
Ripple & Noise (Typ)
2
Output 4 VL
Load Regulation (Max)
Characterised dv/dt immunity 80kV/
μ
s at
1.6kV
Characterised partial discharge performance
5.7kVDC isolation test voltage ‘Hi Pot Test’
Ultra low coupling capacitance typically
15pF
DC link voltage 3kVDC
5V, 12V & 24V input voltages
105°C operating temperature
Order Code
1
Input
Voltage
Range
V
MGJ6Q05P24MC
MGJ6Q12P24MC
MGJ6Q24P24MC
4.5 - 9
9 - 18
18 - 36
%
2
2
2
3
3
3
mVp-p
100
70
70
150
120
120
2
2
2
%
3
3
3
100
70
70
Ripple & Noise (Typ)
ANSI/AAMI ES60601-1 recognition pending
mVp-p
150
120
120
SELECTION GUIDE (Continued)
Nominal Input
Voltage
Input Current
at Rated Load
MTTF
3
Efficiency
(Min)
Efficiency
(Typ)
Telecordia
kHrs
79.5
84
85
ww
PRODUCT OVERVIEW
Offering four isolated output voltages of 24V, the
MGJ6 series of DC-DC converters is ideal for
powering ‘high side’ and ‘low side’ gate drive
circuits simultaneously for IGBTs, Silicon and Silicon
Carbide Mosfets in three phase circuits.The MGJ6
series is characterised for high isolation and dv/dt
requirements commonly seen in bridge circuits used
in motor drives and inverters.
Order Code
1
V
MGJ6Q05P24MC
MGJ6Q12P24MC
MGJ6Q24P24MC
5
12
24
mA
1500
600
300
76
81
82
%
1. Components are supplied in tape and reel packaging, please refer to tape and reel specification section. Orderable part numbers are
MGJ6QXXP24MC-R7 (23 pieces per reel), or MGJ6QXXP24MC-R13 (92 pieces per reel).
2. See ripple & noise test method.
3. Calculated using MIL-HDBK-217 FN2 and Telecordia SR-332 calculation model at TA=25°C with nominal input voltage at full load.
All specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified.
For full details go to
www.murata-ps.com/rohs
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KDC_MGJ6C-3P.B02
Page 1 of 14
MIL 217
Ripple & Noise (Max)
2
2
Output Power
MGJ6 Three Phase Bridge Series
5.7kVDC 6W Quad Output Isolated Gate Drive SM DC-DC Converters
INPUT CHARACTERISTICS
Parameter
Voltage range
Conditions
5V input types
12V input types
24V input types
Turn on threshold MGJ6Q05
Turn off threshold MGJ6Q05
Turn on threshold MGJ6Q12
Turn off threshold MGJ6Q12
Turn on threshold MGJ6Q24
Turn off threshold MGJ6Q24
5V input types
Min.
4.5
9
18
Typ.
5
12
24
3.8
3.2
8.1
7.5
16.7
16.3
30
45
25
Max.
9
18
36
Units
V
Under voltage lock out
V
Input ripple current
12V input types
24V input types
mA
p-p
OUTPUT CHARACTERISTICS
Parameter
Minimum load
Voltage set point accuracy
Total regulation
Line regulation
Conditions
Below 10% load, output may rise to 30V maximum voltage
5V output types
All other output types
Low line to high line
Min.
10
Typ.
+4 / -1
+3 / -2
0.5
Max.
Units
%
%
10
1
%
%
ISOLATION CHARACTERISTICS
Parameter
Isolation test voltage
Conditions
Flash tested for 1 second (input to output)
Flash tested for 1 second (output to output)
Qualification tested for 1 minute (input to output)
Qualification tested for 1 minute (output to output)
Viso = 1kVDC
Non-safety barrier application
Input to output
Output to output
Primary to Output 1 VHA
Primary to Output 2 VHB
Primary to Output 3 VHC
Primary to Output 4 VL
Min.
4000
2500
5700
3000
100
Typ.
Max.
Units
VAC
VDC
GΩ
VDC
mm
Resistance
Continuous barrier withstand voltage
Creepage & clearance
3000
8
8
15
15
15
15
Isolation capacitance
pF
GENERAL CHARACTERISTICS
Parameter
Power Consumption
Switching frequency
Conditions
Disable pin pulled low
Min.
Typ.
45
100
Max.
Units
mW
kHz
TEMPERATURE CHARACTERISTICS
Parameter
Operation
Storage
Product temperature rise above ambient
Conditions
See derating graphs
100% Load, Nom V
IN
, Still Air
5V input types
All other input types
Min.
-40
-55
Typ.
Max.
105
125
Units
°C
25
19
Continuous
12V
20V
40V
ABSOLUTE MAXIMUM RATINGS
Short-circuit protection
Input voltage, MGJ6 5V input types
Input voltage, MGJ6 12V input types
Input voltage, MGJ6 24V input types
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KDC_MGJ6C-3P.B02
Page 2 of 14
MGJ6 Three Phase Bridge Series
5.7kVDC 6W Quad Output Isolated Gate Drive SM DC-DC Converters
TECHNICAL NOTES
ISOLATION VOLTAGE
‘Hi Pot Test’, ‘Flash Tested’, ‘Withstand Voltage’, ‘Proof Voltage’, ‘Dielectric Withstand Voltage’ & ‘Isolation Test Voltage’ are all terms that relate to the same thing, a test
voltage, applied for a specified time, across a component designed to provide electrical isolation, to verify the integrity of that isolation.
Murata Power Solutions MGJ6 series of DC-DC converters are all 100% production tested at 4kVACrms for 1 second from input to output and 2.5kVACrms for 1 second
from output to output. Also they are all qualification tested at 5.7kVDC for 1 minute from input to output and 3kVDC for 1 minute from output to output.
A question commonly asked is, “What is the continuous voltage that can be applied across the part in normal operation?”
When the insulation in the MGJ6 series is not used as a safety barrier , i.e. provides functional isolation only, continuous or switched voltages across the barrier up to
3kV are sustainable. Long term reliability testing at these voltages continues. Peak Inception voltages measured were in excess of 3.5kV when testing for partial dis-
charge in accordance with IEC 60270. Please contact Murata for further information.
The MGJ6 series pending recognition by Underwriters Laboratory to 250 Vrms Reinforced Insulation, please see safety approval section below.
REPEATED HIGH-VOLTAGE ISOLATION TESTING
It is well known that repeated high-voltage isolation testing of a barrier component can actually degrade isolation capability, to a lesser or greater degree depending on
materials, construction and environment. We therefore strongly advise against repeated high voltage isolation testing, but if it is absolutely required, that the voltage be
reduced by 20% from specified test voltage.
SAFETY APPROVAL
ANSI/AAMI ES60601-1
The MGJ6 series is pending recognition ANSI/AAMI ES60601-1.
UL 60950
The MGJ6 series pending recognition by Underwriters Laboratory (UL) to UL 60950 for reinforced insulation to a working voltage of 250Vrms with a maximum measured product
operating temperature of 105°C.
Creepage and clearance 8mm, input to output & across outputs.
FUSING
The MGJ6 Series of converters are not internally fused so to meet the requirements of UL an anti-surge input line fuse should always be used with ratings as defined below.
Input Voltage, 5V 4A
Input Voltage, 12V 2A
Input Voltage, 24V 1A
All fuses should be UL recognized, 250Vac rated.
CHARACTERISATION TEST METHODS
Ripple & Noise Characterisation Method
Ripple and noise measurements are performed with the following test configuration.
C1
1μF X7R multilayer ceramic capacitor, voltage rating to be a minimum of 3 times the output voltage of the DC-DC converter
10μF tantalum capacitor, voltage rating to be a minimum of 1.5 times the output voltage of the DC-DC converter with an ESR of less
C2
than 100mΩ at 100 kHz
C3
100nF multilayer ceramic capacitor, general purpose
R1
450Ω resistor, carbon film, ±1% tolerance
R2
50Ω BNC termination
T1
3T of the coax cable through a ferrite toroid
RLOAD
Resistive load to the maximum power rating of the DC-DC converter. Connections should be made via twisted wires
Measured values are multiplied by 10 to obtain the specified values.
Differential Mode Noise Test Schematic
DC/DC Converter
OSCILLOSCOPE
C1 C2 C3
+
SUPPLY
Input
R1
T1
R2
Y INPUT
+
Output
-
-
R LOAD
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KDC_MGJ6C-3P.B02
Page 3 of 14
MGJ6 Three Phase Bridge Series
5.7kVDC 6W Quad Output Isolated Gate Drive SM DC-DC Converters
RoHS COMPLIANCE, MSL AND PSL INFORMATION
This series is compatible with Pb-Free soldering systems and is also backward compatible with Sn/Pb soldering systems.
The MGJ6 three phase series has a process, moisture, and reflow sensitivity classification of MSL2 PSL R7F as defined in
J-STD-020 and J-STD-075. This translates to: MSL2 = 1 year floor life, PSL R7F = Peak reflow temperature 245°C with a
limitation on the time above liquidus (217°C) which for this series is 90sec max. The pin termination finish on this product
series is Gold with Nickel Pre-plate.
EFFICIENCY VS LOAD
MGJ6Q05P24MC
90
80
MGJ6Q12P24MC
90
80
70
70
60
Efficiency (%)
Efficiency (%)
60
50
50
40
40
30
30
20
20
10
10
0
10
20
30
40
50
Load (%)
60
70
80
90
100
0
10
20
30
40
50
Load (%)
60
70
80
90
100
MGJ6Q24P24MC
90
80
70
60
Efficiency (%)
50
40
30
20
10
0
10
20
30
40
50
Load (%)
60
70
80
90
100
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KDC_MGJ6C-3P.B02
Page 4 of 14
MGJ6 Three Phase Bridge Series
5.7kVDC 6W Quad Output Isolated Gate Drive SM DC-DC Converters
DERATING GRAPHS
Derating curves are based on IPC-9592. With no derating some components may be operating at the manufacturers maximum temperature ratings.
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