Cxac8542sg is a high performance AC / DC power controller, which is mainly used in battery charger, adapter and auxiliary power supply. The chip adopts pulse frequency modulation (PFM) mode, high precision constant voltage / constant current (CV / CC) primary side feedback, and cxac8542 can achieve high average efficiency and provide line loss compensation; at the same time, under no-load 264Vac input condition, the input power consumption can be less than 0.03W
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[ CXAC8542 ]"
目录
产品概述 返回TOP
CXAC8542SG是一种高性能的AC / DC电源控制器，主要应用于电池充电器、适配器、辅助电源。该芯片采用脉冲频率调制(PFM)方式，高精度定电压/恒电流(CV / CC)的原边反馈， CXAC8542的可以实现高平均效率, 可提供线损补偿；同时在空载264VAC 输入条件下，输入功耗可做到小于0.03W 以下。
产品特点 返回TOP
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产品种类 |
AC/DC转换器 |
|
产品特性 |
低功率AC/DC开关电源控制器 |
|
功率 |
12W |
|
备用电源 |
≤30 |
|
频率 |
65KHz |
|
脉宽调变 |
PFM |
|
电缆Compen-sation |
Y |
|
Accu恒压/恒流 |
5%/3% |
|
封装 |
SOP8 |
应用范围 返回TOP
• LED驱动器
• 备用和辅助电源
• 适配器
• 充电器电池
• 无线电话
• pda、MP3
• 其他便携式设备
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
相关芯片选择指南 返回TOP 更多同类产品......
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AC/DC Converter（AC/DC转换器）>>>原边控制芯片系列) |
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Part Number |
Power |
Standby |
MODE |
Freq |
Accu |
Cable |
OTP/ |
Package |
|
(80-265V) |
(mW) |
(Flyback) |
(KHz) |
CC/CV |
Compen-sation |
OVP |
||
|
10W |
≤300 |
PFM |
65 |
5%/5% |
Y |
-/Y |
SOP8 |
|
|
12W |
≤30 |
PFM |
65 |
5%/3% |
Y |
Y/Y |
SOP8 |
|
|
10W |
≤100 |
PFM |
65 |
7%/5% |
- |
Y/- |
SOT23-6 |
|
|
5W |
≤100 |
PFM |
65 |
7%/5% |
- |
Y/- |
SOP8 |
|
|
12W |
≤30 |
PFM |
65 |
5%/5% |
Y |
-/Y |
SOT23-6 |
|
|
10W |
≤30 |
PFM |
65 |
5%/5% |
Y |
-/Y |
SOP8 |
|
|
18W |
≤30 |
PFM |
65 |
5%/5% |
Y |
Y/Y |
SOT23-6 |
|
|
15W |
≤100 |
PFM |
65 |
5%/5% |
Y |
Y/Y |
DIP-8 |
|
|
4W |
≤30 |
PFM |
65 |
5%/5% |
Y |
-/Y |
SOP8 |
|
|
30W |
≤100 |
PFM/PWM |
65 |
3%/- |
- |
Y/Y |
SOP8 |
|
|
10W |
≤30 |
PFM |
65 |
5%/5% |
Y |
-/Y |
SOP8 |
|
|
18W |
≤80 |
QR |
120 |
5%/3% |
Y |
Y/Y |
SOT23-6 |
|
|
5W |
≤80 |
QR |
120 |
5%/3% |
Y |
Y/Y |
SOP7 |
|
|
10W |
≤80 |
QR |
120 |
5%/3% |
Y |
Y/Y |
DIP7 |
|
|
10W |
≤80 |
QR |
120 |
5%/3% |
Y |
Y/Y |
SOP7 |
|
