The MINMAX MJWI20 series is a new generation of high performance dc-dc converter modules setting a new standard concerning power density. The
product offers fully 20W in a shielded metal package with dimensions of just 1.0”x1.0”x 0.4”. All models provide ultra-wide 4:1 input voltage range and tight
output voltage regulation.
State-of the-art circuit topology provides a very high efficiency up to 90% which allows an operating temperature range of -40°C to +85°C. Further features
include remote On/Off, trimmable output voltage as well as overload protection and over-temperature protection.
Typical applications for these converters are battery operated equipment, instrumentation, distributed power architectures in communication and industrial
electronics and other space critical applications.
Model Selection Guide
Model
Number
Input
Voltage
(Range)
VDC
MJWI20-24S033
MJWI20-24S05
MJWI20-24S12
MJWI20-24S15
MJWI20-24S24
MJWI20-24D12
MJWI20-24D15
MJWI20-48S033
MJWI20-48S05
MJWI20-48S12
MJWI20-48S15
MJWI20-48S24
MJWI20-48D12
MJWI20-48D15
VDC
3.3
5
12
15
24
±12
±15
3.3
5
12
15
24
±12
±15
Output
Voltage
Max.
mA
4500
4000
1670
1340
835
±835
±670
4500
4000
1670
1340
835
±835
±670
Min.
mA
0
0
0
0
0
±60
±50
0
0
0
0
0
±60
±50
@Max. Load
mA(typ.)
711
936
938
941
949
938
941
352
468
469
471
474
469
471
@No Load
mA(typ.)
80
90
40
40
40
40
40
40
45
25
25
25
25
25
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
10300
6800
1200
750
300
680#
380#
10300
6800
1200
750
300
680#
380#
# For each output
Max. capacitive
Load
Efficiency
(typ.)
@Max. Load
%
87
89
89
89
88
89
89
88
89
89
89
88
89
89
24
(9 ~ 36)
50
48
(18 ~ 75)
30
Input Specifications
Parameter
Input Surge Voltage (1 sec. max.)
Start-Up Threshold Voltage
Input Polarity Protection
Power Up
Start Up Time
Remote On/Off
Internal Filter Type
Short Circuit Current
E-mail:sales@minmax.com.tw
Model
24V Input Models
48V Input Models
24V Input Models
48V Input Models
Min.
-0.7
-0.7
Typ.
---
---
---
---
Max.
50
100
Unit
Nominal Vin and Constant Resistive Load
All Models
VDC
---
9
---
18
None
---
---
30
ms
---
---
30
ms
LC Filter (for EN55022,Class A compliance see page 8)
Hiccup Mode, 1.5 Hz typ.
Tel:886-6-2923150
2012/07/16 REV:12
Page 1 of 9
®
MJWI20 SERIES
DC/DC CONVERTER 20W,
Highest Power Density
Output Specifications
Parameter
Output Voltage Setting Accuracy
Output Voltage Balance
Line Regulation
Conditions
At 50% Load and Nominal Vin
Dual Output, Balanced Loads
Vin=Min. to Max.
Single Output
Dual Output
Single Output
Dual Output
Load Cross Regulation (Dual Output)
Ripple & Noise (20MHz)
Ripple & Noise (20MHz)
Ripple & Noise (20MHz)
Ripple & Noise (20MHz)
Transient Recovery Time
Temperature Coefficient
Over Load Protection
Short Circuit Protection
Over Voltage Protection
Asymmetrical Load 25%/100% Full Load
3.3V & 5V Models
12V & 15V Models
24V Models
Dual Output Models
25% Load Step Change
3.3V & 5V
12V,15V & 24V
Min.
---
---
---
---
---
---
---
---
---
---
---
---
---
---
Hiccup Automatic Recovery
For Shutdown Voltage see Model Selection Guide
Typ.
---
---
---
---
---
---
---
---
75
100
150
100
300
---
Max.
±1.0
±2.0
±0.2
±0.5
±0.5
±0.2
±1.0
±5.0
---
---
---
---
---
±0.02
Unit
%Vnom.
%
%
%
%
%
%
%
mV
P-P
mV
P-P
mV
P-P
mV
P-P
μsec
%/℃
Load Regulation
Min. Load to Full Load
Current Limitation at 150% typ. of Iout max., Hiccup
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