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P349
P349 - Brand New THOMSON IC Chips
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
Product Details
__
Positive Overvoltage Protection Controller with Internal Low RON NMOS FET
**The NCP349 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 NCP349 is able to instantaneously disconnect the output from the input,
due to integrated Low RON Power NMOS (65 m), if the input voltage exceeds the
overvoltage threshold (OVLO) or undervoltage threshold (UVLO).
At powerup (EN pin = low level), the Vout turns on ton time after the Vin
exceeds the undervoltage threshold.
The NCP349 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 μF or larger capacitor.
Features
• Overvoltage Protection up to 28 V
• On−Chip Low RDS(on) NMOS Transistor: 65 m
• Internal Charge Pump
• Overvoltage Lockout (OVLO)
• Undervoltage Lockout (UVLO)
• Soft−Start
• 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
• DFN6 1.6x2 mm Package
• This is a Pb−Free Device
Applications
• Cell Phones
• Camera Phones
• Digital Still Cameras
• Personal Digital Applications
• MP3 Players
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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