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参数资料
| 型号： | LC5523FLF3051 |
| 元件分类： | 稳压器 |
| 英文描述： | POWER FACTOR CONTROLLER, 18 kHz SWITCHING FREQ-MAX, ZFM7 |
| 封装： | ROHS COMPLIANT, TO-220F, 7 PIN |
| 文件页数： | 8/14页 |
| 文件大小： | 468K |
| 代理商： | LC5523FLF3051 |
Single-Stage Power Factor Corrected
Off-Line Switching Regulator IC
LC5523F
3
S/GND
Q
S
R
Thermal
Shutdown
LEB
D/ST
FB
Startup
Reg
Bias
UVLO
VCC
OCP
OVP
OSC
OCP
Detection
Bottom
Reg
Control
Feedback
OLP
Drv
Controller Chip
4
5
6
7
1
2
Functional Block Diagram
LC5523F Terminal List Table
Number
Name
Function
1
D/ST
MOSFET drain terminal and input of the startup current
2
S/GND
MOSFET source and GND terminal for the Controller chip
3
NC
No connection
4
VCC
Supply voltage input
5
OCP
Overcurrent protection and quasi-resonant signal input terminal
6
FB
Feedback signal input and Overload Protection (OLP) signal input
7
OVP
Overvoltage Protection (OVP) signal input
Pin-out Diagrams
(LF 3052)
(LF 3051)
(LF 3054)
2
3
4
6
1
5
7
D/ST
S/GND
NC
VCC
OCP
FB
OVP
1
2
3
4
5
6
7
D/ST
S/GND
NC
VCC
OCP
FB
OVP
2
4
6
1
3
5
7
D/ST
S/GND
NC
VCC
OCP
FB
OVP
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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