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参数资料
| 型号： | NCP1012AP133G |
| 厂商： | ON Semiconductor |
| 文件页数： | 14/24页 |
| 文件大小： | 0K |
| 描述： | IC OFFLINE SWIT SMPS CM OVP 8DIP |
| 标准包装： | 1,000 |
| 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： | 8-DIP（0.300"，7.62mm），7 引线 |
| 供应商设备封装： | 7-PDIP |
| 包装： | 管件 |
| 其它名称： | NCP1012AP133GOS |
NCP1010, NCP1011, NCP1012, NCP1013, NCP1014
Soft--Start
The NCP101X features an internal 1.0 ms soft--start
activated during the power on sequence (PON). As soon as
V CC reaches VCC OFF , the peak current is gradually
increased from nearly zero up to the maximum internal
clamping level (e.g. 350 mA). This situation lasts 1.0 ms
and further to that time period, the peak current limit is
blocked to the maximum until the supply enters regulation.
The soft--start is also activated during the over current burst
V CC
0 V (Fresh PON)
or
4.7 V (Overload)
Current
(OCP) sequence. Every restart attempt is followed by a
soft--start activation. Generally speaking, the soft--start will
be activated when V CC ramps up either from zero (fresh
power--on sequence) or 4.7 V, the latch--off voltage
occurring during OCP. Figure 22 portrays the soft--start
behavior. The time scales are purposely shifted to offer a
better zoom portion.
8.5 V
Max Ip
Sense
1.0 ms
Figure 22. Soft--Start is activated during a startup sequence or an OCP condition.
Non--Latching Shutdown
In some cases, it might be desirable to shut off the part
temporarily and authorize its restart once the default has
disappeared. This option can easily be accomplished
through a single NPN bipolar transistor wired between FB
and ground. By pulling FB below the internal skip level
(Vskip), the output pulses are disabled. As soon as FB is
relaxed, the IC resumes its operation. Figure 23 depicts the
application example.
1
2
3
8
7
4
5
Drain
ON/OFF
+
CV cc
Figure 23. A non--latching shutdown where pulses are stopped as long as the NPN is biased.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCP1012APL065R2G | 功能描述:电流型 PWM 控制器 ANA 2 FREQ GULL WING 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 |
| NCP1012APL100R2G | 功能描述:电流型 PWM 控制器 ANA 2 FREQ GULL WING 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 |
| NCP1012APL130R | 制造商:ON Semiconductor 功能描述: |
| NCP1012APL130R2 | 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 |
| NCP1012APL130R2G | 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 |
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