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參數(shù)資料
| 型號： | NCP1013 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Self-Supplied Monolithic Switcher for Low Standby- Power Offline SMPS |
| 中文描述： | 自提供的單片切換為低待機功耗離線開關(guān)電源 |
| 文件頁數(shù)： | 13/24頁 |
| 文件大?。?/td> | 324K |
| 代理商： | NCP1013 |
NCP1010, NCP1011, NCP1012, NCP1013, NCP1014
http://onsemi.com
13
Figure 18. A more detailed view of the NCP101X offers better insight on how to
properly wire an auxiliary winding.
Startup Source
Drain
+
+
VCC
ON
= 8.5 V
VCC
OFF
= 7.5 V
+
V
CC
Rlimit
+
+
I > 7.4m
(Typ.)
+
+
CVcc
Caux
Laux
Ground
+
Vclamp = 8.7 V typ.
Permanent
Latch
D1
Figure 19. The burst frequency becomes so low that it is difficult to keep
an adequate level on the auxiliary V
CC
. . .
30 ms
Lowering the Standby Power with SkipCycle
Skipcycle offers an efficient way to reduce the standby
power by skipping unwanted cycles at light loads.
However, the recurrent frequency in skip often enters the
audible range and a high peak current obviously generates
acoustic noise in the transformer. The noise takes its origins
in the resonance of the transformer mechanical structure
which is excited by the skipping pulses. A possible
solution, successfully implemented in the NCP1200 series,
also authorizes skipcycle but only when the power
demand has dropped below a given level. At this time, the
peak current is reduced and no noise can be heard.
Figure 20 pictures the peak current evolution of the
NCP101X entering standby.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCP1013/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Self-Supplied Monolithic Switcher for Low Standby-Power Offline SMPS |
| NCP1013ADAPGEVB | 功能描述:電源管理IC開發(fā)工具 NCP1013 6/12W ADAPTER EVB RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| NCP1013AP065 | 功能描述:電流型 PWM 控制器 Low Standby Power RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| NCP1013AP065G | 功能描述:電流型 PWM 控制器 Low Standby Power Monolithic Switcher RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| NCP1013AP100 | 功能描述:電流型 PWM 控制器 Low Standby Power RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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