Dual Output
+Vo
PFM
Isolation
Ref.Amp
LC
Filter
+Vin
-Vin
Com.
-Vo
Single Output
PFM
Isolation
Ref.Amp
LC
Filter
+Vin
-Vin
-Vo
+Vo
Block Diagram
Wide Range
3:1
EN55022
EMI
I/O Isolation
1500
VDC
Low Cost
$
Minmax's MIW1300-Series power modules operate over a 3:1
input voltage ranges of 10-30VDC which provide precisely regulated
output voltages of 5V, 12V, 15V, {12V and {15VDC.
The -25] to +71] operating temperature range makes it ideal
for data communication equipments, mobile battery driven
equipments, distributed power systems, telecommunication
equipments, mixed analog/digital subsystems, process/machine
control equipments, computer peripheral systems and industrial robot
systems.
The modules have a maximum power rating of 3W and a typical
full-load efficiency of 80%, continuous short circuit, 45mA output
ripple, EN55022 Class A conducted noise compliance minimize
design-in time, cost and eliminate the need for external filtering.
Industry Standard Pinout
Internal SMD Construction
UL 94V-0 Package Material
Temperature Performance -25] to +71]
Complies with EN55022 Class A
Short Circuit Protection
3:1 Wide Input Range
MTBF > 1,000,000 Hours
1500VDC Isolation
Efficiency up to 80%
Key Features
3W, Wide Input Range DIP, Single & Dual Output DC/DC Converter
MIW1300 Series
REV:0 2005/04
MINMAX
1
80
188
{10
{100
{15
MIW1327
80
188
{12.5
{125
{12
MIW1326
80
188
20
200
15
MIW1324
80
188
25
250
12
MIW1323
80
20
5
188
60
600
5
20
( 10 ~ 30 )
MIW1322
% (Typ.)
mA (Typ.)
mA (Typ.)
mA (Typ.)
mA
mA
VDC
VDC
@Max. Load
@No Load
@Max. Load
Min.
Max.
Efficiency
Reflected
Ripple
Current
Input Current
Output Current
Output
Voltage
Input
Voltage
Model
Number
Model Selection Guide
EN55022 Class A
Conducted EMI
Free-Air Convection
Cooling
%
95
---
Humidity
]
+125
-40
Storage Temperature
]
+90
-25
Case
Operating Temperature
]
+71
-25
Ambient
Operating Temperature
Unit
Max.
Min.
Conditions
Parameter
Environmental Specifications
Exceeding the absolute maximum ratings of the unit could cause damage.
These are not continuous operating ratings.
mW
2,500
---
Internal Power Dissipation
]
260
---
Lead Temperature (1.5mm from case for 10 Sec.)
VDC
50
-0.7
Input Surge Voltage
Unit
Max.
Min.
Parameter
Notes :
1. Specifications typical at Ta=+25], resistive load,
nominal input voltage, rated output current unless
otherwise noted.
2. Transient recovery time is measured to within 1%
error band for a step change in output load of 75%
to 100%.
3. Ripple & Noise measurement bandwidth is 0-20
MHz.
4. These power converters require a minimum
output loading to maintain specified regulation.
5. Operation under no-load conditions will not
damage these modules; however, they may not
meet all specifications listed.
6. All DC/DC converters should be externally fused at
the front end for protection.
7. Other input and output voltage may be available,
please contact factory.
8. Specifications subject to change without notice.
Absolute Maximum Ratings
Pi Filter
Input Filter
mW
1500
1000
---
Short Circuit Input Power
A
1
---
---
Reverse Polarity Input Current
8.5
6.5
---
Under Voltage Shutdown
VDC
9
7
4.5
All Models
Start Voltage
Unit
Max.
Typ.
Min.
Model
Parameter
Input Specifications
MIW1300 Series
2
MINMAX
REV:0 2005/04
K Hours
---
---
1000
MIL-HDBK-217F @ 25], Ground Benign
MTBF
KHz
---
300
---
Switching Frequency
pF
500
---
---
100KHz,1V
Isolation Capacitance
M[
---
---
1000
500VDC
Isolation Resistance
VDC
---
---
1650
Flash Tested for 1 Second
Isolation Voltage Test
VDC
---
---
1500
60 Seconds
Isolation Voltage Rated
Unit
Max.
Typ.
Min.
Conditions
Parameter
General Specifications
Continuous
Output Short Circuit
%/]
{0.05
{0.01
---
Temperature Coefficient
%
{5
{3
---
Transient Response Deviation
uS
500
300
---
25% Load Step Change
Transient Recovery Time
%
---
---
120
Over Power Protection
mV rms
28
---
---
Ripple & Noise (20MHz)
mV P-P
80
---
---
Over Line, Load & Temp.
Ripple & Noise (20MHz)
mV P-P
60
45
---
Ripple & Noise (20MHz)
%
{0.5
{0.2
---
Io=10% to 100%
Load Regulation
%
{0.5
{0.2
---
Vin=Min. to Max.
Line Regulation
%
{2.0
{0.5
---
Dual Output, Balanced Loads
Output Voltage Balance
%
{2.0
{0.5
---
Output Voltage Accuracy
Unit
Max.
Typ.
Min.
Conditions
Parameter
Output Specifications
# For each output
uF
470
470
4000
4000
4000
Maximum Capacitive Load
Unit
{15V #
{12V #
15V
12V
5V
Models by Vout
Capacitive Load
Vin ( VDC )
10uS
50
45
40
100uS
1mS
10mS
100mS
35
30
25
20
15
10
Input Voltage Transient Rating
600mA Slow - Blow Type
All Models
Input Fuse Selection Guide
MIW1300 Series
REV:0 2005/04
MINMAX
3
Derating Curve
]
Ambient Temperature
O
utput
P
ower
(%)
0
20
40
60
80
100
-25
50
60
80
100
110
90
70
400LFM
200LFM
100LFM
Natural
convection
Efficiency vs Output Load ( Dual Output )
Efficiency vs Output Load ( Single Output )
Load Current (%)
100
60
40
20
10
80
30
40
50
60
70
80
90
100
Efficiency (%)
Load Current (%)
100
60
40
20
10
80
30
40
50
60
70
80
90
100
Efficiency (%)
Efficiency vs Input Voltage ( Dual Output )
Efficiency vs Input Voltage ( Single Output )
50
60
70
80
90
100
Efficiency (%)
Input Voltage (V)
Nom
Low
High
50
60
70
80
90
100
Efficiency (%)
Input Voltage (V)
Nom
Low
High
MIW1300 Series
4
MINMAX
REV:0 2005/04
Test Configurations
Input Reflected-Ripple Current Test Setup
Input reflected-ripple current is measured with a inductor
Lin (4.7uH) and Cin (220uF, ESR < 1.0[ at 100 KHz) to
simulate source impedance.
Capacitor Cin, offsets possible battery impedance.
Current ripple is measured at the input terminals of the
module, measurement bandwidth is 0-500 KHz.
Peak-to-Peak Output Noise Measurement Test
Use a Cout 0.47uF 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.
Design & Feature Considerations
Maximum Capacitive Load
The MIW1300 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 470uF
maximum capacitive load
for dual outputs and 4000
u
F
capacitive load
for single outputs.
The maximum capacitance can be found in the data sheet.
Overcurrent 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.
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 recommended to use a good
quality low Equivalent Series Resistance (ESR < 1.0[ at 100
KHz) capacitor of a 3.3uF for the devices.
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 3.3uF
capacitors at the output.
MIW1300 Series
REV:0 2005/04
MINMAX
5
+Out
-Out
+Vin
-Vin
DC / DC
Converter
Load
Battery
+
Lin
+
Cin
To Oscilloscope
Current
Probe
+Out
-Out
+Vin
-Vin
Dual Output
DC / DC
Converter
Resistive
Load
Scope
Copper Strip
Cout
Com.
Scope
Cout
+Out
-Out
+Vin
-Vin
Single Output
DC / DC
Converter
Resistive
Load
Scope
Copper Strip
Cout
+
+Out
-Out
+Vin
-Vin
DC / DC
Converter
Load
DC Power
Source
+
-
Cin
+Out
-Out
+Vin
-Vin
Load
DC Power
Source
+
-
Cout
Com.
Dual Output
DC / DC
Converter
+Out
-Out
+Vin
-Vin
Load
DC Power
Source
+
-
Cout
Single Output
DC / DC
Converter
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