The MINMAX MIW10 series is a new range of cost-optimized 10W isolated dc-dc converter within an encapsulated DIP-24 package. There are 21 models
available for 12, 24, 48VDC with wide 2:1 input voltage range. The MIW10 series come in a shielded metal package and internal EMI filter to meets
EN55022 & FCC Part15 Class A without external components.
By state-of-the-art circuit topology and 87% high efficiency could be achieved allowing an operating temperature of -40℃ to +80℃ as well as low standby
power comsumption. Further features include remote ON/OFF, over current protection, short circuit protection and no min. load requirement as well.
These DC/DC converters offer an economical solution for many cost critical applications in battery-powered equipment, instrumentation, distributed power
architectures in communication, industrial electronics, energy facilities and many other critical space applications.
Specifications typical at Ta=+25℃, resistive load, nominal input voltage and rated output current unless otherwise noted.
Transient recovery time is measured to within 1% error band for a step change in output load of 75% to 100%
We recommend to protect the converter by a fast blow fuse in the input supply line.
Other input and output voltages may be available, please contact factory.
To meet EN61000-4-4 & EN61000-4-5 an external capacitor across the input pins is required.Suggested capacitor: 220μF/100V.
That “natural convection” is about 20LFM but is not equal to still air (0 LFM).
Specifications are subject to change without notice.
E-mail:sales@minmax.com.tw
Tel:886-6-2923150
2015/05/22
P2
Page 3 of 4
®
MIW10 SERIES
DC/DC CONVERTER 10W,
Regulated Output, DIP Package
Package Specifications
Mechanical Dimensions
Pin Connections
Pin
Single Output
1
Remote On/Off
2
3
9
0.50 [0.02]
4.1
[0.16]
[0.40]
10.2
Dual Output
Remote On/Off
-Vin
-Vin
Common
-Vout
+Vout
Common
+Vin
+Vin
-Vin
-Vin
No Pin
NC
+Vout
-Vout
+Vin
+Vin
NC: No Connection
11
14
16
22
1
2
3
9
11
15.22 [0.60]
20.3 [0.80]
23
Bottom View
23 22
16
14
►
All dimensions in mm
2.54
[0.10]
(inches)
2.54
[0.10]
15.24 [0.60]
31.8 [1.25]
5.08
4.5
[0.20] [0.18]
►
Tolerance: X.X±0.5
(X.XX±0.02)
X.XX±0.25 ( X.XXX±0.01)
►
Pin
diameter
0.5 ±0.05 (0.02±0.002)
Physical Characteristics
Case Size
Case Material
Pin Material
Weight
:
:
:
:
31.8x20.3x10.2mm (1.25x0.80x0.40 inches)
Metal with Non-Conductive Baseplate
Tinned Copper
17.3g
E-mail:sales@minmax.com.tw
Tel:886-6-2923150
2015/05/22
P2
Page 4 of 4
®
Test Setup
MIW10 SERIES
DC/DC CONVERTER 10W,
Regulated Output, DIP Package
Peak-to-Peak Output Noise Measurement Test
Use a Cout 0.47μF 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
Resistive
Scope
Load
+Vin
Dual Output
DC / DC
Converter
-Vin
+Out
Com.
-Out
Copper Strip
Cout
Copper Strip
Cout
Copper Strip
Scope
Scope
Resistive
Load
Technical Notes
Overload Protection
To provide protection in a fault (output overload) condition, the unit is equipped with internal current limiting circuitry and can endure current limiting for an unlimited
duration. At the point of current-limit inception, the unit shifts from voltage control to current control. The unit operates normally once the output current is brought back
into its specified range.
Overvoltage Protection
The output overvoltage clamp consists of control circuitry, which is independent of the primary regulation loop, that monitors the voltage on the output terminals.
The control loop of the clamp has a higher voltage set point than the primary loop. This provides a redundant voltage control that reduces the risk of output
overvoltage.
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.
By using a good quality low Equivalent Series Resistance (ESR < 1.0Ω at 100 kHz) capacitor of a 12μF for the 12V, 4.7μF for the 24V input devices and a 2.2μF for
the 48V devices, capacitor mounted close to the power module helps ensure stability of the unit.
+
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 3.3μF capacitors at the output.
+
DC Power
Source
-
-Vin
+Vin
Single Output
DC / DC
Converter
-Out
+Out
+
DC Power
Source
-
+Vin
+Out
Dual Output
DC / DC Com.
Converter
Cout
Cout
Load
Load
Cout
Load
-Vin
-Out
Maximum Capacitive Load
The MIW10 series has limitation of maximum connected capacitance on the output. The power module may operate in current limiting mode during start-up, affecting
the ramp-up and the startup time. The maximum capacitance can be found in the data sheet.
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 105℃.
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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