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NCP347: Positive Overvoltage Protection Circuit with Internal Low Ron NMOS FET and Status Flag

Datasheet: Positive Overvoltage Protection Controller with Internal Low Ron NMOS FET and Status Flag
Rev. 4 (478.0kB)
Product Overview
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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 necesary, 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 Ron Power NMOS (65 mΩ, if the input voltage exceeds the overvoltage threshold (5.63 or 5.9 or 7.2 V) or undervoltage threshold, of 2.95 V (UVLO).
At powerup (EN(BAR) pin = low level), the Vout turns on 50 ms after the Vin exceeds the undervoltage threshold.
The NCP347 provides a negative going flag(FLAG(BAR)) 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 µF or larger capacitor.
Features
 
  • Overvoltage Protection up to 28 V
  • On-Chip Low RDS(on) NMOS Transistor: 80 m
  • Overvoltage Lockout (OVLO)
  • Undervoltage Lockout (UVLO)
  • Internal 50 ms Startup Delay
  • Alert FLAG(BAR) Output
  • Shutdown EN(BAR) Input
  • Compliance to IEC61000-4-2 (Level 4), 8.0 kV (Contact), and 15 kV (Air)
  • ESD Ratings: Machine Model = B, Human Body Model = 3
  • This is a Pb-Free Device
Applications
  • Cell Phones, Camera Phones, Digital Still Cameras, Personal Digital Applicaitons, and MP3 Players
Technical Documentation & Design Resources
Data Sheets (1) Package Drawings (1)
Availability & Samples
Specifications
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
NCP347MTAETBG Active
Pb-free
Halide free
NCP347, OVLO 5.63 V WDFN-10 516AA 1 260 Tape and Reel 3000 $0.3333
NCP347MTAFTBG Active
Pb-free
Halide free
NCP347, OVLO 5.9 V WDFN-10 516AA 1 260 Tape and Reel 3000 $0.3333
NCP347MTAHTBG Last Shipments
Pb-free
Halide free
NCP347, OVLO 7.2 V WDFN-10 516AA 1 260 Tape and Reel 3000  
NCP347MTAITBG Obsolete
Pb-free
Halide free
NCP347, OVLO 5.85 V WDFN-10 516AA 1 260 Tape and Reel 3000  
Market Leadtime (weeks) : 17 to 20
PandS   (2020-09-14 00:00) : >1K
Market Leadtime (weeks) : 4 to 8
PandS   (2020-09-14 00:00) : >1K
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : Contact Factory

Product
Description
Pricing ($/Unit)
Compliance
Status
VCC Min (V)
VCC Max (V)
P(AV) Max (W)
VIT+ Typ (V)
VIT Typ (V)
IDDH Max (µA)
TA Min (°C)
TA Max (°C)
Package Type
NCP347MTAETBG  
 $0.3333 
Pb
H
 Active   
1.2
28
0.44
5.63
2.95
250
-40
85
WDFN-10
NCP347MTAFTBG  
 $0.3333 
Pb
H
 Active   
1.2
28
0.44
5.63
2.95
250
-40
85
WDFN-10
Case Outlines
516AA   
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