参数资料
型号: NCP348AEMTTXG
厂商: ON Semiconductor
文件页数: 8/13页
文件大小: 0K
描述: IC MOSFET DRIVER DUAL 12V 10WDFN
产品变化通告: Product Obsolescence 13/Apr/2009
标准包装: 10,000
电压 - 工作: 1.2 ~ 28V
电压 - 箝位: 6.4V
技术: 混合技术
电路数: 3
应用: 通用
封装/外壳: 10-WFDFN 裸露焊盘
供应商设备封装: 10-WDFN(2.5x2)
包装: 带卷 (TR)
NCP348, NCP348AE
CONDITIONS
IN
VOLTAGE DETECTION
OUT
V IN > OVLO
0 < V IN < UVLO
And/Or
/EN = 1
Figure 16. Simplified Diagram
CONDITIONS
IN
VOLTAGE DETECTION
Figure 17. Simplified Diagram
OUT
/EN = 0
&
UVLO < V IN < OVLO
Operation
The NCP348 provides overvoltage protection for
positive voltage, up to 28 V. A Low R DS(on) NMOS FET
protects the systems (i.e.: charger) connected on the Vout
pin, against positive overvoltage. At powerup, with EN pin
= low, the output is rising up 50 ms after the input
overtaking undervoltage UVLO (Figure 3). The NCP348
provides a FLAG output, which alerts the system that a fault
has occurred. A 50 ms additional delay, regarding
available output (Figure 3) is added between output signal
rising up and to FLAG signal rising up. FLAG pin is an open
drain output.
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