The MINMAX MA03 series is a new range of isolated 3W DC/DC-converter modules in a small SIP-package. There are 12 models available with 5V, 12V or
24VDC input. These products have a typical load regulation of 5.0% to 7.0% depending on model.
designer a new solution for many cost critical applications where the output voltage variation has to be kept in a certain limit under all load conditions.
The MA03 DC/DC converters are a compromise between a more expensive fully regulated converter and a non-regulated converter. They offer the
Model Selection Guide
Model
Number
Input
Voltage
(Range)
VDC
Output
Voltage
VDC
5
9
12
15
5
9
12
15
5
9
12
15
Output Current
Max.
mA
600
333
250
200
600
333
250
200
600
333
250
200
Min.
mA
12
6
4.5
3
12
6
4.5
3
12
6
4.5
3
Input Current
@Max. Load
mA(typ.)
723
689
701
686
298
285
284
281
152
147
146
147
@No Load
mA(typ.)
50
Load
Regulation
% (max.)
8
7
7
6
6
5
4.5
4
5.8
4.8
4.3
3.5
Max. capacitive
Load
µF
220
@Max. Load
%
83
87
85.5
87.5
84
87.5
88
89
82
85
85.5
85
Efficiency
(typ.)
MA03-05S05
MA03-05S09
MA03-05S12
MA03-05S15
MA03-12S05
MA03-12S09
MA03-12S12
MA03-12S15
MA03-24S05
MA03-24S09
MA03-24S12
MA03-24S15
5
(4.5 ~ 5.5)
12
(10.8 ~ 13.2)
24
(21.6 ~ 26.4)
40
220
30
220
Input Specifications
Parameter
Input Surge Voltage (1 sec. max.)
24V Input Models
5V Input Models
12V Input Models
5V Input Models
Model
Min.
-0.7
4.5
-0.7
Typ.
---
5
---
Max.
18
9
Unit
-0.7
---
Input Voltage Range
Reverse Polarity Input Current
Internal Filter Type
Internal Power Dissipation
24V Input Models
All Models
12V Input Models
21.6
---
10.8
24
---
12
26.4
0.5
13.2
A
mW
5.5
30
VDC
---
---
Internal Capacitor
700
Output Specifications
Line Regulation
Parameter
Load Regulation
For Vin Change of 1%
Io=20% to 100%
Conditions
Min.
---
Ripple & Noise (20MHz)
Temperature Coefficient
Short Circuit Protection
---
See Model Selection Guide
±0.01
60
±0.02
100
±1.01
Typ.
Max.
±1.2
Unit
%
---
mV
P-P
%/℃
0.5 Second Max.
E-mail:sales@minmax.com.tw
Tel:886-6-2923150
2013/01/23 REV:4
Page 1 of 4
DC/DC CONVERTER 3W,
SIP-Package
MA03 SERIES
General Specifications
I/O Isolation Voltage (rated)
I/O Isolation Resistance
Switching Frequency
I/O Isolation Capacitance
MTBF (calculated)
Safety Approvals(pending)
Parameter
60 Seconds
100KHz, 1V
500 VDC
Conditions
1000
---
Min.
Typ.
---
---
Max.
---
---
1000
---
VDC
M
pF
Unit
60
MIL-HDBK-217F@25℃, Ground Benign
2,000,000
---
CSA 60950-1 recognition,IEC/EN 60950-1(CB-scheme)
60
120
---
---
Hours
KHz
Input Fuse
2000mA Slow-Blow Type
5V Input Models
1000mA Slow-Blow Type
12V Input Models
500mA Slow-Blow Type
24V Input Models
Environmental Specifications
Case Temperature
Operating Ambient Temperature Range (See Power Derating Curve)
Storage Temperature Range
Humidity (non condensing)
Cooling
Parameter
Natural Convection
Conditions
Min.
-40
---
---
Max.
+100
95
+85
Unit
℃
℃
℃
% rel. H
℃
-50
Free-Air convection
---
+125
Lead Temperature (1.5mm from case for 10Sec.)
260
Power Derating Curve
Output Voltage Tolerance
+20%
+15%
+20%
+15%
Output Power (%)
Output Voltage(%)
+10%
Max.
+10%
+5%
Typ.
+5%
Vnom
Min.
Vnom
-5%
-5%
-10%
0%
20%
40%
60%
80%
-10%
100%
Output Load Current (%)
E-mail:sales@minmax.com.tw
Tel:886-6-2923150
2013/01/23 REV:4
Page 2 of 4
DC/DC CONVERTER 3W,
SIP-Package
MA03 SERIES
Notes
1
2
3
4
5
6
7
Specifications typical at Ta=+25℃, resistive load, nominal input voltage and rated output current unless otherwise noted.
Ripple & Noise measurement bandwidth is 0-20MHz.
These power converters require a minimum output loading to maintain specified regulation, operation under no-load conditions will not damage these modules;
however they may not meet all specifications listed.
All DC/DC converters should be externally fused at the front end for protection.
Other input and output voltage may be available, please contact factory.
That “natural convection” is about 20LFM but is not equal to still air (0 LFM).
Specifications are subject to change without notice.
Package Specifications
Mechanical Dimensions
19.5 [0.77]
Pin Connections
Pin
1
2
4
5
[0.13]
Function
+Vin
-Vin
0.5 [0.02]
10.2 [0.40]
0.5
[0.02]
2.4
[0.09]
[0.10]
2.54
5.08
[0.20]
2X2.54
[2X0.10]
18.5 [0.73]
7.6 [0.30]
Bottom View
1
2
4
5
6
3.2
6
No Pin
+Vout
-Vout
►
All dimensions in mm (inches)
►
Tolerance: X.X±0.25 (X.XX±0.01)
►
Pins ±0.05(±0.002)
Physical Characteristics
Case Size
:
Case Material
Pin Material
Weight
:
:
:
19.5x7.6x10.2mm (0.77x0.30x0.40 inches)
Non-Conductive Black Plastic (flammability to UL 94V-0 rated)
Alloy 42
2.2g
E-mail:sales@minmax.com.tw
Tel:886-6-2923150
2013/01/23 REV:4
Page 3 of 4
1.3 [0.05]
0.50
[0.02]
0.25 [0.01]
X.XX±0.13 ( X.XXX±0.005)
DC/DC CONVERTER 3W,
SIP-Package
Peak-to-Peak Output Noise Measurement Test
Use a Cout 0.33
µ
F ceramic capacitor. Scope measurement should be made by using a BNC socket, measurement bandwidth is 0-20 MHz. Position the load
between 50 mm and 75 mm from the DC/DC Converter.
+Vin
Single Output
DC / DC
Converter
-Vin
-Out
+Out
Copper Strip
Cout
Copper Strip
Scope
Resistive
Load
MA03 SERIES
Test Setup
Technical Notes
Maximum Capacitive Load
The MA03 series has limitation of maximum connected capacitance at the output. The power module may be operated in current limiting mode during start-up,
affecting the ramp-up and the startup time. For optimum performance we recommend 220
µ
F maximum capacitive load for devices. The maximum capacitance can be
found in the data sheet.
Input Source Impedance
The power module should be connected to a low ac-impedance input source. Highly inductive source impedances can affect the stability of the power module. In
applications where power is supplied over long lines and output loading is high, it may be necessary to use a capacitor at the input to ensure startup.
Capacitor mounted close to the power module helps ensure stability of the unit, it is commended to use a good quality low Equivalent Series Resistance (ESR < 1.0
at 100 KHz) capacitor of a 2.2
µ
F for the 5V input devices, a 1.0
µ
F for the 12V input devices and a 0.47
µ
F for the 24V devices.
+
DC Power
Source
-
+
Cin
-Vin
-Out
+Vin
DC / DC
Converter
+Out
Load
Output Ripple Reduction
A good quality low ESR capacitor placed as close as practicable across the load will give the best ripple and noise performance. To reduce output ripple, it is
recommended to use 1.0
µ
F capacitors at the output.
+
DC Power
Source
-
-Vin
+Vin
Single Output
DC / DC
Converter
-Out
+Out
Cout
Load
Thermal Considerations
Many conditions affect the thermal performance of the power module, such as orientation, airflow over the module and board spacing. To avoid exceeding the
maximum temperature rating of the components inside the power module, the case temperature must be kept below 100℃. The derating curves are determined from
measurements obtained in a test setup.
Position of air velocity
probe and thermocouple
15mm / 0.6in
50mm / 2in
Air Flow
DUT
18, Sin Sin Road, An-Ping Industrial District, Tainan 702, Taiwan
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