參數(shù)資料
型號(hào)： NCP1014ST100T3
廠商： ON SEMICONDUCTOR
元件分類： 穩(wěn)壓器
英文描述： Self-Supplied Monolithic Switcher for Low Standby- Power Offline SMPS
中文描述： 1 A SWITCHING REGULATOR, 110 kHz SWITCHING FREQ-MAX, PSSO4
封裝： PLASTIC, SOT-223, 4 PIN
文件頁(yè)數(shù)： 13/24頁(yè)
文件大?。?/td> 324K
代理商： NCP1014ST100T3
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)
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NCP1014ST100T3G 功能描述:電流型 PWM 控制器 Low Standby Power Monolithic Switcher RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)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
NCP1014ST65T3 功能描述:電流型 PWM 控制器 Low Standby Power RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)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
NCP1014ST65T3G 功能描述:電流型 PWM 控制器 Low Standby Power Monolithic Switcher RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)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
NCP1014STBUCGEVB 功能描述:電源管理IC開(kāi)發(fā)工具 POSITIVE OUTPUT BUCK EVB RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
NCP1015 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Self-Supplied Monolithic Switcher for Low Standby- Power Offline SMPS
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