The MINMAX MKWI50 series is the latest generation of high performance dc-dc converter modules setting a new standard concerning power density. The
product offers fully 50W in an encapsulated, shielded metal package with dimensions of just 2.0”x1.0”x0.4”.All models provide ultra-wide 4:1 input voltage
range and precisely regulated output voltages.
A very high efficiency up to 92% which allows an operating temperature range of -40°C to +80°C is achieved by advanced circuit topology . Further features
include remote On/Off, trimmable output voltage, under-voltage shutdown as well as overload and over-temperature protection.
Typical applications for these converters are battery operated equipment, instrumentation, distributed power architectures in communication and industrial
electronics and many other space critical applications.
Model Selection Guide
Model
Number
Input
Voltage
(Range)
VDC
MKWI50-24S033
MKWI50-24S05
MKWI50-24S12
MKWI50-24S15
MKWI50-24S24
MKWI50-48S033
MKWI50-48S05
MKWI50-48S12
MKWI50-48S15
MKWI50-48S24
24
( 9 ~ 36 )
VDC
3.3
5
12
15
24
3.3
5
12
15
24
Output
Voltage
Max.
mA
10000
10000
4170
3330
2080
10000
10000
4170
3330
2080
@Max. Load
mA(typ.)
1528
2290
2267
2263
2286
764
1145
1134
1134
1143
@No Load
mA(typ.)
80
60
80
80
80
40
30
60
60
50
Output Current
Input Current
Reflected
Ripple
Current
mA(typ.)
Over
Voltage
Protection
VDC
3.9
6.2
15
18
30
3.9
6.2
15
18
30
μF
26000
17000
3000
2000
750
26000
17000
3000
2000
750
Max. capacitive
Load
Efficiency
(typ.)
@Max. Load
%
90
91
92
92
91
90
91
92
92
91
40
48
( 18 ~ 75 )
30
Input Specifications
Parameter
Input Surge Voltage (100ms. max)
Start-Up Threshold Voltage
Under Voltage Lockout
Input Polarity Protection
Start Up Time
Internal Filter Type
Short Circuit Current
Power Up
Remote On/Off
Nominal Vin and Constant Resistive Load
All Models
Model
24V Input Models
48V Input Models
24V Input Models
48V Input Models
24V Input Models
48V Input Models
Min.
-0.7
-0.7
---
---
---
---
None
---
---
30
ms
---
---
30
ms
LC Filter (for EN55022,Class A compliance see Page 6)
--- (Hiccup Mode 0.3 Hz typ.)
Typ.
---
---
---
---
7.5
16
Max.
50
100
9
18
---
---
Unit
VDC
E-mail:sales@minmax.com.tw
Tel:886-6-2923150
2013/01/25 P4
Page 1 of 8
®
Output Specifications
Parameter
Output Voltage Setting Accuracy
Line Regulation
Load Regulation
Minimum Load
Ripple & Noise (20MHz bandwith)
Transient Recovery Time
Temperature Coefficient
Over Load Protection
Short Circuit Protection
Over Voltage Protection
Conditions
At 50% Load and Nominal Vin
Vin=Min. to Max. @Full Load
Min. Load to Full Load
Min.
Typ.
---
---
---
---
---
---
No minimum Load Requirement
3.3V & 5V Models
(3)
---
100
---
150
12V, 15V & 24V Models
(3)
25% Load Step Change
(2)
---
250
---
---
Current Limitation at 150% typ. of Iout max., Hiccup
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