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SC4524CSETRT 查看數據表(PDF) - Semtech Corporation

零件编号
产品描述 (功能)
生产厂家
SC4524CSETRT
Semtech
Semtech Corporation 
SC4524CSETRT Datasheet PDF : 22 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
SC4524C
Block Diagram
COMP
6
FB
7
-
+ EA
+
V1
SLOPE
COMP +
S
+
+
ISEN
-
OC
+
ILIM
18mV
-
BST
8
ROSC
3
FREQUENCY
FOLDBACK
+
PWM
-
OSCILLATOR
S
Q
R
CLK
SS/EN
5
A1 +
-
R
1.2V
R
1V
1.9V
REFERENCE
& THERMAL
SHUTDOWN
FAULT
SOFT-START
AND
OVERLOAD
HICCUP
CONTROL
Figure 2 — SC4524C Block Diagram
IN
2
5.5mW
POWER
TRANSISTOR
1
SW
GND
4
SS/EN
1.9V
IC
2.4mA
-
+
B4
B1
1V/2.15V
S
Q
R
B2
OVERLOAD
FAULT
ID
3.9 mA
_S
Q
R
B3
OC
PWM
Figure 3 — Soft-start and Overload Hiccup Control Circuit


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