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参数资料
| 型号： | NCP1011ST130T3 |
| 厂商： | ON Semiconductor |
| 文件页数： | 12/24页 |
| 文件大小： | 0K |
| 描述： | IC OFFLINE SWIT SMPS CM SOT223 |
| 产品变化通告： | Product Obsolescence 11/Feb/2009 |
| 标准包装： | 4,000 |
| 输出隔离： | 隔离 |
| 频率范围： | 117kHz ~ 143kHz |
| 输入电压： | 8.5 V ~ 10 V |
| 输出电压： | 700V |
| 功率（瓦特）： | 19W |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | TO-261-4，TO-261AA |
| 供应商设备封装： | SOT-223 |
| 包装： | 带卷 (TR) |
NCP1010, NCP1011, NCP1012, NCP1013, NCP1014
VCC ON = 8.5 V
VCC OFF = 7.5 V
Drain
+
--
+
Startup Source
+
V CC
Rlimit
D1
--
+
Vclamp = 8.7 V typ.
+
CVcc
+
Caux
Laux
Permanent
+
Latch
--
+
I > 7.4m
(Typ.)
Ground
Figure 18. A more detailed view of the NCP101X offers better insight on how to
properly wire an auxiliary winding.
> 30 ms
Figure 19. The burst frequency becomes so low that it is difficult to keep
an adequate level on the auxiliary V CC . . .
Lowering the Standby Power with Skip--Cycle
Skip--cycle 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 skip--cycle 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.
http://onsemi.com
12
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCP1011ST130T3G | 功能描述:电流型 PWM 控制器 Low Standby Power Monolithic Switcher RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| NCP1011ST65T3 | 功能描述:交流/直流开关转换器 Low Standby Power RoHS:否 制造商:STMicroelectronics 输出电压:800 V 输入/电源电压（最大值）:23.5 V 输入/电源电压（最小值）:11.5 V 开关频率:115 kHz 电源电流:1.6 mA 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:SSO-10 封装:Reel |
| NCP1011ST65T3G | 功能描述:电流型 PWM 控制器 Low Standby Power Monolithic Switcher RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| NCP1012 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Self-Supplied Monolithic Switcher for Low Standby- Power Offline SMPS |
| NCP1012/D | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Self-Supplied Monolithic Switcher for Low Standby-Power Offline SMPS |
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