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TSM105D Datasheet(PDF) 4 Page - STMicroelectronics

Part # TSM105D
Description  CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER FOR BATTERY CHARGERS AND ADAPTORS
PDF  9 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TSM105D Datasheet(HTML) 4 Page - STMicroelectronics

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In the above application schematic, the TSM105 is used on the secondary side of a flyback adapter (or
battery charger) to provide an accurate control of voltage and current. The above feedback loop is made
with an optocoupler.
Figure 1 : Internal Schematic
Figure 2 : Typical Adapter or Battery Charger Application Using TSM105
+
-
+
-
1.210V
200mV
Vcc
Out
Vctrl
Gnd
Ictrl
+
-
+
-
1.210V
200mV
Vcc
Out
Vctrl
Gnd
Ictrl
D
+
R2
R1
Rsense
Rvc1
470K
Cvc1
2.2nF
Ric1
22
To primary
OUT+
OUT-
+
TSM105
Cic1
100nF
Cvc2
22pF
IL
IL
Vsense



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