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參數(shù)資料
| 型號： | NCP347 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Positive Overvoltage Protection Controller with Internal Low RON NMOS FET and Status FLAG |
| 中文描述： | 積極過壓保護控制器，內置低辛烷值NMOS管FET和狀態(tài)標志 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 312K |
| 代理商： | NCP347 |
Semiconductor Components Industries, LLC, 2007
September, 2007 - Rev. 0
1
Publication Order Number:
NCP347/D
NCP347
Positive Overvoltage
Protection Controller with
Internal Low R
ON
NMOS FET
and Status FLAG
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 ), 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.
In addition, the device has ESD-protected input (15 kV Air) when
bypassed with a 1.0 F or larger capacitor.
Features
Overvoltage Protection up to 28 V
On-Chip Low R
DS(on)
NMOS Transistor: 65 m
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
Applications
Cell Phones
Camera Phones
Digital Still Cameras
Personal Digital Applications
MP3 Players
WDFN10
MT SUFFIX
CASE 516AA
PIN CONNECTIONS
http://onsemi.com
MARKING
DIAGRAM
BAx = Specific Device Code
M
= Date Code
= Pb-Free Package
(Top View)
IN
OUT
1
FLAG
NC
GND
NC
IN
EN
Q
IN
OUT
2
3
4
5
10
9
8
7
6
PAD1
GND
PAD2
IN
BAx M
ORDERING INFORMATION
See detailed ordering, marking and shipping information in the
package dimensions section on page 12 of this data sheet.
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