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參數(shù)資料
| 型號： | NCP1560 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Full Featured Voltage Mode PWM Controller(全性能電壓模式PWM控制器) |
| 中文描述： | 全功能電壓模式PWM控制器（全性能電壓模式的PWM控制器） |
| 文件頁數(shù)： | 13/18頁 |
| 文件大小： | 122K |
| 代理商： | NCP1560 |
NCP1560
http://onsemi.com
13
Line Under/Over Voltage Shutdown
The NCP1560 incorporates a line under/over voltage
shutdown (UV/OV) circuit. The under voltage (UV)
threshold is 1.52 V and the over voltage threshold (OV) is
3.61 V, for a ratio of 1:2.4.
The UV/OV circuit can be biased using an external
resistor divider from the input line. The resistor divider must
be sized to enable the controller once V
in
is within the
required operating range. If the UV or OV threshold is
reached, the soft start capacitor is discharged, and the
outputs are immediately disabled with no overlap delay as
shown in Figure 30. Also, if an UV condition is detected, the
5.0 V Reference Supply is disabled.
Figure 30. UV/OV Fault Timing Diagram
UV or OV Fault
OUT2
OUT1
0 V
0 V
0 V
0 V
V
OV
V
UV
UV/OV Voltage
V
AUX(off)
V
AUX(on)
V
AUX
Propagation delay to
outputs (t
UV
or t
OV
)
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相關(guān)代理商/技術(shù)參數(shù) |
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| NCP1560HDR2 | 功能描述:IC REG CTRLR FLYBACK PWM 16-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR) |
| NCP1560HDR2G | 制造商:Rochester Electronics LLC 功能描述: 制造商:ON Semiconductor 功能描述: |
| NCP1561DR2 | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Dual Output PWM RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| NCP1561DR2G | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Dual Output PWM RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| NCP1562-100WEVBG | 功能描述:電源管理IC開發(fā)工具 100 W 48 V TELECOM BRICK 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 |
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