MKW2600 Series
15W, Wide Input Range, Single & Dual Output DC/DC Converters
Key Features
Efficiency up to 86%
1500VDC Isolation
MTBF > 700,000 Hours
4:1 Wide Input Range
UL60950-1 Safety Approval
Complies with EN55022 Class A
Six-Sided Shielding
Remote On/Off Control
UL 94V-0 Package Material
Internal SMD Construction
EMI
EN55022
1500
VDC
I/O Isolation
High
Power
Density
More Power
4:1
Wide Range
Remote on/off
Minmax's MKW2600 series, comprising 16 different models, has been conceived as an application specific range of DC/DC converters, specially
addressing data communication equipments, mobile battery driven equipments, distributed power systems, telecommunication equipments, mixed
analog/digital subsystems, process/machine control equipments, computer peripheral systems and industrial robot systems.
Packing up to 15W of power into a 2x1x0.4 inch package, with efficiency as high as 86%, the MKW2600 has ultra-wide input ranges of 9-36VDC
and 18-75VDC which is available in output voltages of 3.3V, 5V, 5.1V, 12V, 15V, ±5V, ±12V and ±15VDC.
Other feathers include continuous short circuit protection, remote on/off, six-sided shielded case and EN55022 Class A conducted noise
compliance minimize design-in time, cost and eliminate the need for external filtering.
Absolute Maximum Ratings
Parameter
Input Surge Voltage
( 1000 mS )
Internal Power Dissipation
24VDC Input Models
48VDC Input Models
Min.
-0.7
-0.7
---
---
Max.
50
100
260
5,000
Unit
VDC
VDC
]
mW
Environmental Specifications
Parameter
Operating Temperature
Operating Temperature
Storage Temperature
Humidity
Cooling
RFI
Conducted EMI
Conditions
Ambient
Case
Min.
-40
-40
-50
---
Max.
+60
+100
125
95
Unit
]
]
]
%
Lead Temperature (1.5mm from case for 10 Sec.)
Exceeding the absolute maximum ratings of the unit could cause damage.
These are not continuous operating ratings.
Free-Air Convection
Six-Sided Shielded, Metal Case
EN55022 Class A
1
MINMAX
REV:1 2008/03
MKW2600 Series
Model Selection Guide
Model
Number
Input
Voltage
Output
Voltage
Output Current
Input Current
Reflected
Ripple
Current
mA (Typ.)
Efficiency
VDC
MKW2621
MKW2622
MKW2623
MKW2624
MKW2625
MKW2626
MKW2627
MKW2629
MKW2631
MKW2632
MKW2633
MKW2634
MKW2635
MKW2636
MKW2637
MKW2639
24
( 9 ~ 36 )
48
( 18 ~ 75 )
VDC
3.3
5
12
15
{5
{12
{15
5.1
3.3
5
12
15
{5
{12
{15
5.1
Max.
mA
3000
3000
1250
1000
{1500
{625
{500
3000
3000
3000
1250
1000
{1500
{625
{500
3000
Min.
mA
300
300
125
100
{150
{62.5
{50
300
300
300
125
100
{150
{62.5
{50
300
@Max. Load
mA (Typ.)
528
762
735
726
771
735
726
787
264
381
368
363
386
368
363
393
@No Load
mA (Typ.)
25
40
15
30
@Max. Load
% (Typ.)
78
82
85
86
81
85
86
81
78
82
85
86
81
85
86
81
Capacitive Load
Models by Vout
Maximum Capacitive Load
# For each output
3.3V
470
5V
470
5.1V
470
12V
470
15V
470
{12V
#
220
{15V
#
220
Unit
uF
Input Fuse Selection Guide
24V Input Models
2500mA Slow - Blow Type
48V Input Models
1250mA Slow - Blow Type
Input Specifications
Parameter
Start Voltage
Under Voltage Shutdown
Reverse Polarity Input Current
Short Circuit Input Power
Input Filter
All Models
Model
24V Input Models
48V Input Models
24V Input Models
48V Input Models
Min.
8
15
7
13
---
---
Typ.
8.5
17
8
15
---
---
Pi Filter
Max.
9
18
8.5
17
1
3500
A
mW
VDC
Unit
REV:1 2008/03
MINMAX
2
MKW2600 Series
Output Specifications
Parameter
Output Voltage Accuracy
Output Voltage Balance
Line Regulation
Load Regulation
Ripple & Noise (20MHz)
Ripple & Noise (20MHz)
Ripple & Noise (20MHz)
Over Power Protection
Transient Recovery Time
Transient Response Deviation
Temperature Coefficient
Output Short Circuit
25% Load Step Change
Over Line, Load & Temp.
Dual Output, Balanced Loads
Vin=Min. to Max.
Io=10% to 100%
Conditions
Min.
---
---
---
---
---
---
---
120
---
---
---
Continuous
Typ.
{1.0
{0.5
{0.1
{0.5
55
---
---
---
300
{2
{0.01
Max.
{2.0
{2.0
{0.5
{1.0
80
100
15
---
500
{4
{0.02
Unit
%
%
%
%
mV P-P
mV P-P
mV rms
%
uS
%
%/]
General Specifications
Parameter
Isolation Voltage Rated
Isolation Voltage Test
Isolation Resistance
Isolation Capacitance
Switching Frequency
MTBF
MIL-HDBK-217F @ 25], Ground Benign
Conditions
60 Seconds
Flash Tested for 1 Second
500VDC
100KHz,1V
Min.
1500
1650
1000
---
290
700
Typ.
---
---
---
1200
330
---
Max.
---
---
---
1500
400
---
Unit
VDC
VDC
M[
pF
KHz
K Hours
Remote On/Off Control
Parameter
Supply On
Supply Off
Standby Input Current
Control Input Current ( on )
Control Input Current ( off )
Control Common
Vin-RC=5.0V
Vin-RC=0V
Conditions
Min.
-0.7
---
---
---
Typ.
---
---
---
---
Max.
0.8
10
50
-1
Unit
VDC
mA
uA
mA
2.5 to 5.5VDC or Open Circuit
Referenced to Negative Input
Notes :
1. Specifications typical at Ta=+25], resistive load, nominal input voltage, rated output current unless otherwise noted.
2. Transient recovery time is measured to within 1% error band for a step change in output load of 75% to 100%.
3. Ripple & Noise measurement bandwidth is 0-20 MHz.
4. These power converters require a minimum output loading to maintain specified regulation.
5. Operation under no-load conditions will not damage these modules; however, they may not meet all specifications listed.
6. All DC/DC converters should be externally fused at the front end for protection.
7. Other input and output voltage may be available, please contact factory.
8. To order the converter with Remote On/Off function, please add a suffix -RC (e.g. MKW2621-RC).
9. To order the converter with EN55022 Class A function, please add a suffix A (e.g. MKW2621A).
10. To order the converter with heatsink, please add a suffix H (e.g. MKW2621H).
11. Specifications subject to change without notice.
3
MINMAX
REV:1 2008/03
MKW2600 Series
Block Diagram
Single Output
Dual Output
+Vin
LC
Filter
+Vo
+Vin
LC
Filter
+Vo
Com.
-Vo
PWM
Isolation
Ref.Amp
PWM
Isolation
Ref.Amp
-Vo
-Vin
-Vin
Input Voltage Transient Rating
130
125
120
115
110
105
100
Vin ( VDC )
80
75
70
65
60
55
50
45
40
10uS
100uS
1mS
10mS
100mS
24VDC Input Models
48VDC Input Models
~
REV:1 2008/03
MINMAX
4
MKW2600 Series
100
90
Efficiency (%)
100
90
Efficiency (%)
Low
Nom
Input Voltage (V)
High
80
70
60
50
80
70
60
50
Low
Nom
Input Voltage (V)
High
Efficiency vs Input Voltage ( Single Output )
Efficiency vs Input Voltage ( Dual Output )
90
80
Efficiency (%)
70
60
50
40
30
10
20
40
60
Load Current (%)
80
100
90
80
Efficiency (%)
70
60
50
40
30
10
20
40
60
Load Current (%)
80
100
Efficiency vs Output Load ( Single Output )
Efficiency vs Output Load ( Dual Output )
100
80
Output Power (%)
100LFM
Natural
convection
100
400LFM
200LFM
400LFM
100LFM
200LFM
80
Output Power (%)
Natural
convection
60
60
40
40
20
0
-40
20
0
50
60
70
80
]
90
100
110
½
~
-40
50
60
70
80
90
100
110
Ambient Temperature
Ambient Temperature
]
Derating Curve without Heatsink
Derating Curve with Heatsink
5
MINMAX
REV:1 2008/03
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