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參數(shù)資料
| 型號(hào)： | STSR30D-TR |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | SYNCHRONOUS RECTIFIER SMART DRIVER FOR FLYBACK |
| 中文描述： | 智能驅(qū)動(dòng)同步整流用于回掃 |
| 文件頁(yè)數(shù)： | 5/10頁(yè) |
| 文件大?。?/td> | 197K |
| 代理商： | STSR30D-TR |
STSR30
5/10
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 and R2 set the anticipation time by partitioning the V
CC
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 V
CC
7) SGLGND layout trace must not include OUTGATE current paths.
+5V
Vo
Vi
+5V
+5V
Cout
C2
R1
R2
R5
TRANSFORMER
MosfetN
R3
D3
C1
100nF
D1
D2
STSR30
8
1
2
4
5
3
7
6
Ck
INHIBIT
O
P
V
SGLGND
SETANT
D
PWM
Feedback
Loop
option
Low = OFF
High = ON
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