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參數資料
| 型號： | NCP1215SNT1 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | Low Cost Variable OFF Time Switched Mode Power Supply Controller |
| 中文描述： | SWITCHING CONTROLLER, PDSO6 |
| 封裝： | SOT-23, SC-59, TSOP-6 |
| 文件頁數： | 12/16頁 |
| 文件大小： | 148K |
| 代理商： | NCP1215SNT1 |
NCP1215
http://onsemi.com
12
Figure 21. Adaptor Application Schematic
Line
J1
1
S250
3
D1
Neutral
J2
1
4
2
2.2 F/
400 V
C1
+
+1
L1
2.2 mH
2.2 F/
400 V
C2
+
R3
2M7
R4
2M7
C5
100 nF
D5
LL4448
IC1
GND
CS
CT
FB
10 nF
4
3
2
1
C3
C4
56 pF
11 k R2
R1
2.7
NCP1215
Gate
V
CC
NC2
NC1
X
X
5
6
7
8
R5
220
C6
100 nF
R7
47 k
1 nF/
500 V
R6
47 k
C7
D8
MURA160T3
MTD1N60
Q1
1
2
3
4
5
8
D9MBRS360T3
J3
1800 mA
L2
4.7 H
+
C9
470 F/
16 V
R8
220
10 F/
16 V
+
C10
BZX84C5V6
R9
1 k
D7
J4
1
GND
ISO1
PC817
T1
C8
1 nF/Y
The following oscilloscope snapshots illustrate the
operation of the working adapter. The Channel 3 in
Figure 22 shows CT pin voltage at full output load. The
Channel 1 is a gate driver output.
The CT voltage at no load condition is depicted in
Figure 23.
Figure 22. CT Voltage at Full Load Condition
Figure 23. CT Voltage at No Load Condition
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