參數(shù)資料
型號: FSCQ1565RTYDTU
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 穩(wěn)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(shù): 2/44頁
文件大?。?/td> 1204K
代理商: FSCQ1565RTYDTU
FSCQ-SERIES
2
Internal Block Diagram
Figure 2. Functional Block Diagram of FSCQ-Series
9V/15V
3
1
2
4
Auxiliary
Vref
Main Bias
S
Q
Q
R
OSC
Vcc
Vref
I
delay
I
FB
V
SD
TSD
Vovp
Sync
Vocp
S
Q
Q
R
R
2.5R
Vcc good
(Vcc = 9V)
Vcc
Drain
V
FB
GND
AOCP
Gate
Driver
Vcc good
LEB
600ns
PWM
Soft Start
Internal
Bias
Normal
Operation
V
Burst
Vref
I
B
Vref
I
BFB
Burst Mode
Controller
Normal Operation
Burst Switching
5
Sync
Threshold
Quasi-Resonant
(QR) Switching
Controller
+
-
+
-
S
Q
Q
R
Power Off Reset
(Vcc = 6V)
4.6V/2.6V : Normal QR
3.0V/1.8V : Extended QR
fs
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