MKW2500 Series
Model Selection Guide
Model
Number
Input
Voltage
Output
Voltage
Output Current
Input Current
Reflected
Ripple
Current
mA (Typ.)
Efficiency
VDC
MKW2521
MKW2522
MKW2523
MKW2524
MKW2526
MKW2527
MKW2529
MKW2531
MKW2532
MKW2533
MKW2534
MKW2536
MKW2537
MKW2539
MKW2541
MKW2542
MKW2543
MKW2544
MKW2546
MKW2547
MKW2549
12
( 9 ~ 18 )
24
( 18 ~ 36 )
48
( 36 ~ 75 )
VDC
3.3
5
12
15
{12
{15
5.1
3.3
5
12
15
{12
{15
5.1
3.3
5
12
15
{12
{15
5.1
Max.
mA
3000
3000
1250
1000
{625
{500
3000
3000
3000
1250
1000
{625
{500
3000
3000
3000
1250
1000
{625
{500
3000
Min.
mA
300
300
125
100
{62.5
{50
300
300
300
125
100
{62.5
{50
300
300
300
125
100
{62.5
{50
300
@Max. Load
mA (Typ.)
1057
1524
1452
1452
1452
1452
1574
528
762
726
726
726
726
787
264
381
363
363
363
363
393
@No Load
mA (Typ.)
30
50
20
40
10
30
@Max. Load
% (Typ.)
78
82
86
86
86
86
81
78
82
86
86
86
86
81
78
82
86
86
86
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
12V Input Models
2500mA Slow - Blow Type
24V Input Models
1250mA Slow - Blow Type
48V Input Models
750mA Slow - Blow Type
Input Specifications
Parameter
Start Voltage
Model
12V Input Models
24V Input Models
48V Input Models
Under Voltage Shutdown
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
A
mW
VDC
Unit
Total Power International, Inc.
Toll Free: 877-646-0900(US)
www.total-power.com
MKW2500 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. MKW2521-RC).
9. To order the converter with EN55022 Class A function, please add a suffix A (e.g. MKW2521A).
10. To order the converter with heatsink, please add a suffix H (e.g. MKW2521H).
11. Specifications subject to change without notice.
Total Power International, Inc.
Toll Free: 877-646-0900(US)
www.total-power.com
MKW2500 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
100
400LFM
200LFM
400LFM
100LFM
200LFM
80
Output Power (%)
Natural
convection
60
60
40
40
20
0
-40
20
½
50
60
70
80
]
90
100
110
0
-40
~
50
60
70
80
90
100
110
Ambient Temperature
Ambient Temperature
]
Derating Curve without Heatsink
Derating Curve with Heatsink
Total Power International, Inc.
Toll Free: 877-646-0900(US)
www.total-power.com
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