MKW2500 / MKW2500A Series
15 Watts 2 :1 Wide Input Range DC/DC Converters
Single and Dual Outputs
Key Features
High Efficiency up to 86%
2:1 Input Range
I / O Isolation 1500VDC
Short Circuit Protected
Industry Standard Pinout
Six-Side Shielded Case
EMI Complies With EN55002 Class A
(Only For MKW2500A Series)
Remote on/off Control (Optional)
MTBF > 700,000 Hours
Minmax's MKW2500 series, comprising 18 different models, has
been conceived as an applications 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 2 x 1 x 0.4 inch package, with
efficiency as high as 86%, the MKW2500 has wide input ranges of
9-18VDC, 18-36VDC and 36-75VDC, and is available in output
voltages of 3.3V, 5.1V, 12V, 15V, {12V and {15V.
Other feathers include continuous short circuit protection, remote
on/off,six-side shieled case and EN55022 level A conducted noise
compliance minimize design-in time,cost and eliminate the need for
external components.
2:1
Wide Range
High
Power
Density
More Power
1500
VDC
I/O Isolation
EMI
EN55022
Remote on/off
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
1
MINMAX
2004/REV:4
MKW2500 / MKW2500A Series
Model Selection Guide
Model Number
Input
Voltage
Output
Voltage
Output Current
Input Current
Efficiency
VDC
MKW2521
MKW2522
MKW2523
MKW2524
MKW2526
MKW2527
MKW2531
MKW2532
MKW2533
MKW2534
MKW2536
MKW2537
MKW2541
MKW2542
MKW2543
MKW2544
MKW2546
MKW2547
12
( 9 ~ 18 )
24
( 18 ~ 36 )
48
( 36 ~ 75 )
VDC
3.3
5.1
12
15
{12
{15
3.3
5.1
12
15
{12
{15
3.3
5.1
12
15
{12
{15
Max.
mA
3000
2950
1250
1000
{625
{500
3000
2950
1250
1000
{625
{500
3000
2950
1250
1000
{625
{500
Min.
mA
300
295
125
100
{62.5
{50
300
295
125
100
{62.5
{50
300
295
125
100
{62.5
{50
@Max. Load @No Load
mA (Typ.)
mA (Typ.)
1056
1529
1452
30
1452
1452
1452
528
764
726
20
726
726
726
264
382
363
10
363
363
363
@Max. Load
% (Typ.)
78
82
86
86
86
86
78
82
86
86
86
86
78
82
86
86
86
86
Absolute Maximum Ratings
Parameter
12VDC Input Models
Input Surge Voltage
24VDC Input Models
( 1000 mS )
48VDC Input Models
Lead Temperature (1.5mm from case for 10 Sec.)
Internal Power Dissipation
Min.
-0.7
-0.7
-0.7
---
---
Max.
25
50
100
260
5,000
Unit
VDC
VDC
VDC
]
mW
Note :
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 devices; however they may not
meet all listed specifications.
Exceeding these values can damage the module.These are not continuous
operating ratings.
Environmental Specifications
Parameter
Operating Temperature
Operating Temperature
Storage Temperature
Humidity
Cooling
RFI
Conditions
Ambient
Case
Min.
Max.
-40
+60
-40
+100
-50
+125
---
95
Free-Air Convection
Six-Side Shielded Metal Case
Unit
]
]
]
%
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 suffix - RC ( EX : MK2521-RC )
9. An optional internal filter is available. When the
filter is added, the MKW2500 will meet
EN55022-A. Add the suffix “ A” to the model
number, e.g. MKW2521A.
10. Specifications subject to change without notice.
2004/REV:4
MINMAX
2
MKW2500 / MKW2500A Series
Input Specifications
Parameter
Start Voltage
Model
12V Input Models
24V Input Models
48V Input Models
12V Input Models
24V Input Models
48V Input Models
Reverse Polarity Input Current
Short Circuit Input Power
Input Filter
All Models
Min.
8
15
30
7
13
25
---
---
Typ.
8.5
17
33
8
15
29
---
---
Pi Filter
Max.
9
18
36
8.5
17
34
1
3500
Unit
Under Voltage Shortdown
VDC
A
mW
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
Conditions
Dual Output Balance Load
Vin=Min. to Max.
Io=10% to 100%
Over Line,Load & Temp
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
%
%/]
25% Load Step Change
General Specifications
Parameter
Isolation Voltage
Isolation Test Voltage
Isolation Resistance
Isolation Capacitance
Switching Frequency
MTBF
Conditions
60 Seconds
Flash Tested for 1 Second
500VDC
100KHz,1V
MIL-HDBK-217F @ 25], Ground Benign
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
Conditions
Min.
Typ.
2.5 to 5.5VDC or Open Circuit
-0.7
---
---
---
---
---
---
---
Referenced to Negative Input
Max.
0.8
10
50
-1
Unit
VDC
mA
uA
mA
3
MINMAX
2004/REV:4
MKW2500 / MKW2500A Series
Capacitive Load
Models by Vout
Maximum Capacitive Load
Note: # For each output .
3.3V
470
5.1V
470
12V
470
15V
470
{12V
#
220
{15V
#
220
Unit
uF
Input Fuse Selection Guide
12V Input Models
3000mA Slow - Blow Type
24V Input Models
1500mA Slow - Blow Type
48V Input Models
750mA Slow - Blow Type
Input Voltage Transient Rating
150
140
130
120
110
100
Vin ( VDC )
90
80
70
60
50
40
30
20
10
0
10uS
100uS
1mS
10mS
100mS
12VDC Input Models
24VDC Input Models
48VDC Input Models
2004/REV:4
MINMAX
4
MKW2500 / MKW2500A Series
100
100
90
Efficiency (%)
Low
Nom
Input Voltage (V)
High
90
Efficiency (%)
80
80
70
70
60
50
Low
Nom
Input Voltage (V)
High
60
50
Efficiency vs Input Voltage ( Single Output )
Efficiency vs Input Voltage ( Dual Output )
90
80
70
60
50
40
30
100
90
80
Efficiency (%)
70
60
50
40
Efficiency (%)
10
20
40
60
Load Current (%)
80
100
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
400LFM
200LFM
60
40
20
0
-40
½
50
60
70
80
]
90
100
110
Ambient Temperature
Derating Curve
5
MINMAX
2004/REV:4
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