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NCP1365 提供了一个新型方案,通用电源反激应用中比 20 W 略高几瓦的输出功率等级。由于采用一种新方法,此新控制器不再需要辅助反馈电路(通常为光耦合器和 TL431 参比),同时可以实现卓越的线路和负载调节。NCP1365 在高负载时以谷锁闭准谐振峰值电流控制模式运行,以提供高能效。当辅助侧功率开始消失时,该控制器将自动调节占空比,然后在更低负载下,该控制器通过谷开关勘测,以固定峰值电流进入脉冲频率调制。这种技术允许在微小的虚拟负载下保持输出调节。前 4 个谷中的谷锁闭可防止谷跳跃运行,然后在更低负载下的固开关可提供高能效。
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Reference Price
NCP1365AABCYDR2G
Lifetime
Pb
A
H
P
SOIC-7
1
260
REEL
2500
N
Flyback
Current Mode
Variable
Yes
6.5
Yes
Yes
Yes
28
2000 / 1000
$0.2985
More Details
NCP1365ACBAXDR2G
Active
Pb
A
H
P
SOIC-7
1
260
REEL
2500
Y
Flyback
Current Mode
Variable
Yes
6.5
Yes
Yes
Yes
28
2000 / 1000
$0.3371
More Details
NCP1365BABCYDR2G
Active
Pb
A
H
P
SOIC-7
1
260
REEL
2500
Y
Flyback
Current Mode
Variable
No
6.5
Yes
Yes
Yes
28
2000 / 1000
$0.3371
More Details
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