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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： | 23/40页 |
| 文件大小： | 888K |
| 代理商： | LC5521D |
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3
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
28106.02
S/GND
TSD
LEB
D/ST
STARTUP
Reg
Bias
UVLO
VCC
OCP
OVP
OSC
OCP
Detection
Bottom
Reg
Control
Feedback
OLP
⑧
①
②
③
④
Drv
COMP
⑥ ISENSE
Q
S
R
OTA
⑤
NF
Controller Chip
Figure 2. LC551xD series functional block diagram (for non-isolated DIP8 designs)
LC551xD Series Terminal List Table
Number
Name
Function
1
S/GND
MOSFET source and GND terminal for the Controller chip
2
VCC
Supply voltage input
3
OCP
Overcurrent Protection and quasi-resonant signal input terminal
4
COMP
Feedback phase-compensation input
5NF
No function; must be externally connected to S/GND pin with as short
a trace as possible, for stable operation of the device
6
ISENSE
Output current sensing voltage input
7
–
Pin removed
8
D/ST
MOSFET drain terminal and input of the startup current
Block Diagrams and Pin Descriptions
This section provides block diagrams and pin descriptions of:
LC551xD for non-isolated DIP8 designs
LC552xD for isolated DIP8 designs
LC552xF for isolated TO-220-7L designs
1
2
3
4
8
6
5
D/ST
ISENSE
NF
S/GND
VCC
OCP
COMP
Pin-out Diagram
(LC551xD)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LC5523D | 制造商:Sanken Electric Co Ltd 功能描述:IC LED DRIVER ISO FLYBACK 8DIP |
| LC5523F | 制造商:Sanken Electric Co Ltd 功能描述:IC LED DVR ISO FLYBACK TO220-7 制造商:ALLEGRO 功能描述:LED Lighting Driver IC, Isolated 制造商:Allegro MicroSystems LLC 功能描述:LED Lighting Driver IC, Isolated |
| LC5525F | 制造商:Sanken Electric Co Ltd 功能描述:IC LED DVR ISO FLYBACK TO220-7 |
| LC552DIP | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| LC552SOIC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
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