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176920522 Datasheet(PDF) 23 Page - Wurth Elektronik GmbH & Co. KG, Germany.

Part # 176920522
Description  3.3V ??12V / 1W / 2kV functional isolated unregulated 5V / 12V / 15V Output
PDF  37 Pages
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Manufacturer  WURTH [Wurth Elektronik GmbH & Co. KG, Germany.]
Direct Link  http://www.we-online.com
Logo WURTH - Wurth Elektronik GmbH & Co. KG, Germany.

176920522 Datasheet(HTML) 23 Page - Wurth Elektronik GmbH & Co. KG, Germany.

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1769205x2, 176881212, 176861512
MagI3C Power Module
FISM
– Fixed Isolated SMT Module
we-online.com
Würth Elektronik eiSos GmbH & Co. KG
– Data Sheet Rev. 1.0
©July 2018
23/37
BLOCK DIAGRAM
2kV
Oscillator
+VIN
-VIN
+VOUT
-VOUT
2
1
5
4
Cin
Cou t
Rbia s
Power Module
VIN
VINGND
VOUT
VOUTGND
ORDERCODE
SPECIFICATION
Cin
Cout
Rbias
176920502
3.3VIN / 5VOUT
1uF
1uF
22k
176920512
5VIN / 5VOUT
1uF
1uF
22k
176920522
12VIN / 5VOUT
0.47uF
1uF
22k
176881212
5VIN / 12VOUT
1uF
0.47uF
55k
176861512
5VIN / 15VOUT
1uF
0.22uF
68k
CIRCUIT DESCRIPTION
The MagI³C power modules 177XXXXX2 are based on a push
–pull converter with integrated transistors, rectifying diodes,
input and output capacitors and a transformer. The output voltage is unregulated.
Since there is no feedback path from the output to the input, the duty cycle is fixed at 50% and is independent of the load
(zero load to full load). The output voltage is defined by the turns ratio of the transformer.
PROTECTIVE FEATURES
Due to the structure of the MagI3C power module, the following protective features are NOT implemented:
•
Over temperature protection (OTP)
•
Overcurrent protection (OCP)
•
Output overvoltage protection (OVP)
•
Input overvoltage protection
•
Short circuit protection (SCP)
•
Input reverse polarity protection
Note: To protect the source and the MagI3C power module in abnormal conditions (e.g. secondary side overload or short
circuit) a primary side input fuse (slow blow) is recommended.



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