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MP1543DJ-LF-Z
MP1543DJ-LF-Z - Brand New Monolithic Power Systems 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
DESCRIPTION
The MP1543 is a highly efficient, synchronous, fixed frequency, current-mode
step-up converter with output to input disconnect, inrush current limiting and
internal soft-start. It includes an error amplifier, ramp generator,
comparator, N-Channel switch and P-Channel synchronous rectified switch (which
greatly improves efficiency). The output disconnect feature allows the output
to be completely isolated from the input in shutdown mode.
The 500KHz switching frequency allows for smaller external components
producing a compact solution for a wide range of load currents. The internal
compensation and soft-start minimizes the external component count and limits
the inrush current during startup. The MP1543 regulates the output voltage up
to 6V and provides up to 400mA from a 2-cell AA with a 3.3V output.
FEATURES
• Over 90% Efficiency
• Output to Input Disconnect at Shutdown Mode
• Internal Synchronous Rectifier
• Inrush Current Limiting and Internal Soft-Start
• Internal Compensation
• 1.5A Typical Switch Current Limit
• 500KHz Fixed Switching Frequency
• Zero Current Shutdown Mode
• Thermal Shutdown
• 5-Pin TSOT-23 Package
APPLICATIONS
• MP3 Players
• Handheld Computers and PDAs
• Digital Still and Video Cameras
• External Modems
• Small LCD Displays
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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