参数资料
型号: LC5521D
元件分类: 稳压器
英文描述: 2.5 A POWER FACTOR CONTROLLER, 18 kHz SWITCHING FREQ-MAX, DIP7
封装: DIP-8/7
文件页数: 7/40页
文件大小: 888K
代理商: LC5521D
15
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
28106.02
Application Circuit Examples
This section provides typical application circuits, using represen-
tative examples (refer to individual datasheets for more details):
LC551xD series (non-isolated)
LC552xD series (isolated)
LC552xF series (isolated)
5
1
2
3
D/ST
8
S/GND VCC
Controller
Chip
C2
C5
D8
Z1
D1
D3
D2
D4
F1
L1
C1
D5
C4
ZD1
COMP
D6
T1
C3
D7
L2
LED
OCP ISENSE
NC
R1
C6
D9
S/GND
(Rocp)
R2
R3
R4
R5
R6
R7
VAC
C8
C7
C9
C11
C12
LC551x D
4
6
C10
R8
C2
C6
C5
D8
+
-
PC1
Z3
ZD1
D1
D3
D2
D4
F1
L1
C1
Q1
D5
C4
C3
T1
D6
D7
ZD2
PC2
L2
LED
R1
PC2
D9
R8
R9
R10
R11
R12
R13
R14
R15
R16
R17
R18
R19 R20
(Rocp)
R2
R3
R4
R5
R6
VAC
PC1
R7
C7
C8
C10
C9
C11
C12
C13
C14
C15
C16
C17
5
1
2
3
D/ST
8
S/GND VCC
Controller
Chip
Z1
OVP
OCP
FB
NC
S/GND
LC552xD
6
4
Figure 9. Non-isolated application circuit example, with LC551xD series device
Figure 10. Isolated application circuit example, with LC552xD series device
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