参数资料
| 型号： | NCP347MTAITBG |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | IC OVERVOLTAGE PROT CTRLR 10WDFN |
| 产品变化通告： | Product Obsolescence 01/Jul/2009 |
| 标准包装： | 3,000 |
| 电压 - 工作： | 1.2 ~ 28V |
| 电压 - 箝位： | 7V |
| 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) |
NCP347
Positive Overvoltage
Protection Controller with
Internal Low R ON NMOS FET
and Status FLAG
XXX M
G
The NCP347 is able to disconnect the systems from its output pin
in case wrong input operating conditions are detected. The system is
positive overvoltage protected up to +28 V.
Due to this device using internal NMOS, no external device is
necessary, reducing the system cost and the PCB area of the
application board.
The NCP347 is able to instantaneously disconnect the output from
the input, due to integrated Low R ON Power NMOS (65 m W ), if the
input voltage exceeds the overvoltage threshold (OVLO) or
undervoltage threshold (UVLO).
At powerup ( EN pin = low level), the V out turns on 50 ms after the
V in exceeds the undervoltage threshold.
The NCP347 provides a negative going flag ( FLAG ) output, which
alerts the system that a fault has occurred.
http://onsemi.com
MARKING
DIAGRAM
WDFN10
MT SUFFIX
CASE 516AA
XXX = Specific Device Code
M = Date Code
G = Pb ? Free Package
PIN CONNECTIONS
In addition, the device has ESD ? protected input (15 kV Air) when
bypassed with a 1.0 m F or larger capacitor.
Features
IN
GND
1
2
PAD1
GND
10 EN
9 NC
PAD2
?
?
?
?
?
?
?
?
?
?
?
?
Overvoltage Protection up to 28 V
On ? Chip Low R DS(on) NMOS Transistor: 65 m W
Internal Charge Pump
Overvoltage Lockout (OVLO)
Undervoltage Lockout (UVLO)
Internal 50 ms Startup Delay
Alert FLAG Output
Shutdown EN Input
Compliance to IEC61000 ? 4 ? 2 (Level 4)
8.0 kV (Contact)
15 kV (Air)
ESD Ratings: Machine Model = B
Human Body Model = 3
10 Lead WDFN 2.5x2 mm Package
This is a Pb ? Free Device
FLAG 3 8 NC
IN 4 7 OUT
IN
IN 5 6 OUT
(Top View)
ORDERING INFORMATION
See detailed ordering, marking and shipping information in the
package dimensions section on page 12 of this data sheet.
Applications
?
?
?
?
?
Cell Phones
Camera Phones
Digital Still Cameras
Personal Digital Applications
MP3 Players
Q
? Semiconductor Components Industries, LLC, 2010
May, 2010 ? Rev. 4
1
Publication Order Number:
NCP347/D
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