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STSR30 Datenblatt(PDF) 5 Page - STMicroelectronics

Teilenummer STSR30
Bauteilbeschribung  SYNCHRONOUS RECTIFIER SMART DRIVER FOR FLYBACK
PDF  10 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STSR30 Datenblatt(HTML) 5 Page - STMicroelectronics

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STSR30
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Figure 1 : TIMING DIAGRAM
Figure 2 : STSR30 IN FLYBACK CONVERTER SECONDARY SIDE
NOTES
1) Ceramic Capacitors C1 and C2 must be placed very close to the IC;
2) R1 andR2set theanticipationtimeby partitioning theVCC voltage;
3) R3 is a pull-up resistor;
4) R5 limits the current flowing through diode D2 when Freewheeling drain voltage is high;
5) D1 could be necessary to protect INHIBIT pin from negative voltages.
6) D2 could be necessary to protect INHIBIT pin from voltages higher than VCC
7) SGLGND layout trace must not include OUTGATE current paths.
+5V
Vo
Vi
+5V
+5V
Cout
C2
100nF
R1
R2
R5
TRANSFORMER
MosfetN
R3
D3
C1
100nF
D1
D2
STSR30
8
1
3
7
Ck
INHIBIT
SGLGND
SETANT
PWM
Feedback
Loop
option
Low = OFF
High = ON



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