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NCP1380 是一款高性能器件,旨在为准谐振转换器供电。该控制器基于专属的谷锁闭系统,可以在功率负载变轻时进行切换并降低开关频率。这样将产生稳定的运行,即使在漏极-源极谷中总是触发的开关事件下也是如此。此系统可在低至第 4 个谷的条件下运行,并在之后切换到变频模式,确保卓越的待机功率性能。为了提高过载条件下的安全性,该控制器包括了过功率保护 (OPP) 电路,可对高电平线路处提供的电源进行箝制。具有安全功能的固定内部计时器依赖反馈电压来检测故障。一旦计时器到期,控制器则停止并保持选项 A 和 C 的锁存状态,或者进入选项 B 和 D 的自动恢复模式。该控制器尤其适用于适配器应用,有一个引脚来实施过电压/高温组合保护(版本 A 和 B)或 欠电压/过电压组合保护(版本 C 和 D)。
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Reference Price
NCP1380ADR2G
Obsolete
Pb
A
H
P
SOIC-8
1
260
REEL
2500
N
Flyback
Current Mode
Variable
Yes
9
Yes
Yes
Yes
28
500 / 800
Price N/A
More Details
NCP1380BDR2G
Active
Pb
A
H
P
SOIC-8
1
260
REEL
2500
Y
Flyback
Current Mode
Variable
Yes
9
Yes
No
Yes
28
500 / 800
$0.4237
More Details
NCP1380CDR2G
Active
Pb
A
H
P
SOIC-8
1
260
REEL
2500
Y
Flyback
Current Mode
Variable
Yes
9
Yes
Yes
Yes
28
500 / 800
$0.4835
More Details
NCP1380DDR2G
Active
Pb
A
H
P
SOIC-8
1
260
REEL
2500
Y
Flyback
Current Mode
Variable
Yes
9
Yes
No
Yes
28
500 / 800
$0.4237
More Details
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