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參數資料
| 型號： | FSCQ1565RTYDTU |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | Green Mode Fairchild Power Switch (FPS) |
| 中文描述： | 26.4 A SWITCHING CONTROLLER, 22 kHz SWITCHING FREQ-MAX, PZFM5 |
| 封裝： | TO-220F, 5 PIN |
| 文件頁數： | 3/44頁 |
| 文件大小： | 1204K |
| 代理商： | FSCQ1565RTYDTU |
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FSCQ-SERIES
3
Pin Definitions
Pin Configuration
Figure 3. Pin Configuration (Top View)
Pin Number
1
2
Pin Name
Drain
GND
Pin Function Description
High voltage power SenseFET drain connection.
This pin is the control ground and the SenseFET source.
This pin is the positive supply input. This pin provides internal operating
current for both start-up and steady-state operation.
This pin is internally connected to the inverting input of the PWM comparator.
The collector of an opto-coupler is typically tied to this pin. For stable
operation, a capacitor should be placed between this pin and GND. If the
voltage of this pin reaches 7.5V, the over load protection triggers
,
which
results in the FPS shutting down.
This pin is internally connected to the sync detect comparator
for quasi-
resonant switching. In normal quasi-resonant operation, the threshold of the
sync comparator is 4.6V/2.6V. Whereas, the sync threshold is changed to
3.0V/1.8V in an extended quasi-resonant operation.
3
Vcc
4
Vfb
5
Sync
5.Sync
4.Vfb
3.Vcc
2.GND
1.Drain
TO-220F-5L
5.Sync
4.Vfb
3.Vcc
2.GND
1.Drain
TO-3PF-7L
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