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PDF MIW413x Data sheet ( Hoja de datos )
| Número de pieza | MIW413x | |
| Descripción | (MIW4100 Series) Single & Dual Output DC/DC Converters | |
| Fabricantes | Total Power International | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MIW413x (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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www.DataSheet4U.com
TOTAL POWER INT'L MIW4100 Series
5-6W, Ultra-Wide Input Range DIP, Single & Dual Output DC/DC Converters
Key Features
y Efficiency up to 83%
y 1500VDC Isolation
y MTBF > 1,000,000 Hours
y 4:1 Wide Input Range
y Low Cost
y Complies with EN55022 Class A
y Temperature Performance -40] to +71]
y Industry Standard Pinout
y UL 94V-0 Package Material
y Internal SMD Construction
MIW4100-Series power modules operate over input
voltage ranges of 9-36VDC and 18-75VDC which provide precisely
regulated output voltages of 3.3V, 5V, 12V, 15V, {5V, {12V and
{15VDC.
The -40] 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 6W and a typical
full-load efficiency of 83%, continuous short circuit, EN55022 Class
A conducted noise compliance minimize design-in time, cost and
eliminate the need for external filtering.
$
Low Cost
1500
VDC
I/O Isolation
Block Diagram
Single Output
Dual Output
High
Power
Density
More Power
EMI
EN55022
4:1
Wide Range
+Vin
LC
Filter
-Vin
PFM
Isolation Ref.Amp
+Vo
+Vin
LC
Filter
-Vo
-Vin
PFM
Isolation Ref.Amp
+Vo
Com.
-Vo
1 page  
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MIW4100 Series
Test Configurations
Overcurrent Protection
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.
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
To Oscilloscope
+Vin +Out
+
Battery
+ Lin
Cin
Current
Probe
DC / DC
Converter
-Vin -Out
Load
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.
+Vin
+Out
Single Output
DC / DC
Converter
-Vin -Out
Copper Strip
Cout
Scope
Resistive
Load
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 4.7uF for the 24V input devices and a
2.2uF for the 48V devices.
+
DC Power
Source
-
+Vin
+ DC / DC
Converter
Cin
-Vin
+Out
-Out
Load
Output Ripple Reduction
+Vin
+Out
Dual Output
DC / DC Com.
Converter
-Vin -Out
Copper Strip
Cout
Cout
Scope
Resistive
Load
Scope
Design & Feature Considerations
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.
+
DC Power
Source
-
+Vin
+Out
Single Output
DC / DC
Converter
-Vin -Out
Cout
Load
Maximum Capacitive Load
The MIW4100 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.
The maximum capacitance can be found in the data sheet.
+
DC Power
Source
-
+Vin
+Out
Dual Output
DC / DC Com.
Converter
-Vin -Out
Cout
Load
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet MIW413x.PDF ] | |
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