The MINMAX MKWI40 series is the latest generation of high performance DC-DC converter modules setting a new standard concerning power density. The
product offers fully 40W 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.
Advanced circuit topology provides a very high efficiency up to 90% which allows an operating temperature range of -40°C to +80°C. Further features
include remote On/Off, trimmable output voltage, under-voltage lockout 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
MKWI40-24S033
MKWI40-24S05
MKWI40-24S12
MKWI40-24S15
MKWI40-24S24
MKWI40-24D12
MKWI40-24D15
MKWI40-48S033
MKWI40-48S05
MKWI40-48S12
MKWI40-48S15
MKWI40-48S24
MKWI40-48D12
MKWI40-48D15
VDC
3.3
5
12
15
24
±12
±15
3.3
5
12
15
24
±12
±15
Output
Voltage
Max.
mA
8000
8000
3330
2670
1670
±1670
±1330
8000
8000
3330
2670
1670
±1670
±1330
Min.
mA
0
0
0
0
0
±145
±110
0
0
0
0
0
±145
±110
@Max. Load
mA(typ.)
1240
1850
1870
1870
1870
1890
1890
620
930
930
930
940
950
950
@No Load
mA(typ.)
90
90
95
105
115
65
65
55
55
60
65
75
45
45
Output Current
Input Current
Reflected
Ripple
Current
mA (typ.)
Over
Voltage
Protection
VDC
3.9
6.2
15
18
30
±15
±18
3.9
6.2
15
18
30
±15
±18
μF
21000
13600
2400
1500
600
1200#
750#
21000
13600
2400
1500
600
1200#
750#
# For each output
Max. capacitive
Load
Efficiency
(typ.)
@Max. Load
%
89
90
89
89
89
88
88
89
90
90
90
89
88
88
24
(9 ~ 36)
30
48
(18 ~ 75)
20
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
Min.
Typ.
Max.
Unit
-0.7
---
50
-0.7
---
100
---
---
9
VDC
---
---
18
---
8.3
---
---
16.5
---
None
---
---
30
ms
Nominal Vin and Constant Resistive Load
---
---
30
ms
All Models
LC Filter (for EN55022,Class A compliance see page 7)
--- (Hiccup Mode 1.5 Hz typ.)
Model
24V Input Models
48V Input Models
24V Input Models
48V Input Models
24V Input Models
48V Input Models
E-mail:sales@minmax.com.tw
Tel:886-6-2923150
2012/04/20 REV:4
Page 1 of 8
®
Output Specifications
Parameter
Output Voltage Setting Accuracy
Output Voltage Balance
Line Regulation
Load Regulation
Load Cross Regulation (Dual Output)
Minimum Load
Ripple & Noise (20MHz)
Ripple & Noise (20MHz)
Ripple & Noise (20MHz)
Transient Recovery Time
Temperature Coefficient
Over Load Protection
Short Circuit Protection
Over Voltage Protection
MKWI40 SERIES
DC/DC CONVERTER 40W,
Highest Power Density
Conditions
Min.
Typ.
Max.
Unit
At 50% Load and Nominal Vin
---
---
±1.0
%Vnom.
Dual Output, Balanced Loads
---
---
±2.0
%
Vin=Min. to Max.
---
---
±0.5
%
Single Output
---
---
±0.5
%
Min. Load to Full Load
Dual Output
---
---
±1.0
%
Asymmetrical Load 25%/100% Full Load
---
---
±5.0
%
No Minimum Load Requirement for Single Output Models, for dual Output Models see Table
3.3V & 5V Output Models
---
100
---
mV
P-P
12V, 15V & 24V Models
---
150
---
mV
P-P
Dual Output Models
---
150
---
mV
P-P
25% Load Step Change
---
250
---
μsec
---
---
±0.02
%/℃
Current Limitation at 150% typ. of Iout max., Hiccup
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