LEM2520TR18J - Brand New TAIYO YUDEN Fixed Inductors
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Description
The LEM2520TR18J is a fixed inductor electronic component model. It is a step-up DC/DC converter designed specifically for driving white LEDs with a constant current. This device can drive two, three, or four LEDs in series from a Li-ion cell. The series connection of the LEDs ensures uniform brightness and eliminates the need for ballast resistors. With a switching frequency of 1.2 MHz, the LEM2520TR18J allows the use of tiny external components, and the output capacitor can be as small as 0.22μF, saving space and cost. Additionally, its low 95mV feedback voltage minimizes power loss in the current setting resistor, resulting in better efficiency.
Specifications and features
- Inherently matched LED current
- High efficiency: 84% typical
- Drives up to four LEDs from a 2.8V supply
- Drives up to six LEDs from a 5V supply
- 36V rugged bipolar switch
- Fast 1.2MHz switching frequency
- Uses tiny 1 mm tall inductors
- Requires only 0.22μF output capacitor
- Low profile TSOT package
Application Scenarios
The LEM2520TR18J is commonly used in applications that require driving white LEDs with a constant current. It is suitable for various lighting solutions, such as backlighting for displays, automotive lighting, and general illumination purposes.
Comparison
Advantages- Inherently matched LED current, ensuring uniform brightness
- High efficiency of 84% (typical)
- Can drive up to six LEDs from a 5V supply
- Uses tiny 1 mm tall inductors
Disadvantages- Requires a Li-ion cell as the power source
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Similar parts: 6197 , Click to view
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
Shipping fee:
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- - View in your order page
Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
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How to Buy:
- - In-stock, Add to cart > Check out > Submit order > Complete payment >Delivery.
- - Inquiry, Add to inquiry sheet/Submit bom/inquire file/Send email us > Quote > Place order > Complete payment >Delivery.
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Payment:
- - Paypal,Credit Card includes Visa, Master, American Express.
- - Wire transfer, include Local bank transfer.
- - Western Union.
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- Datasheet: Download LEM2520TR18J
- Chipdatas Part: CD94-LEM2520TR18J
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 07:57 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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The fee is charged according to the rule of PayPal.
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The fee is charged according to the rule of PayPal.
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Western Union charge US$0.00 banking fee.
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We recommend to use bank transfer for large orders to save on handling fees.
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DHL(www.dhl.com)
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Free shipping without minimum order.
