| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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2,695 pcs
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2695 pcs | On Request | 1 | On Request | On Request | N/A | On Request | On Request |
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| Tape & Reel |
The Semtech SC4509WLTRT is a highly integrated step-up DC/DC converter specifically designed for white LED backlighting applications. It supports a wide input voltage range from 2.7V to 10V and can deliver an output voltage of up to 20V. This converter operates at a constant 1.2MHz PWM switching frequency, optimizing efficiency.
Key features include a 500mA switch current limit and 30mA maximum LED current, along with open LED protection (OVP). The device requires only four external components, making it suitable for applications where space and cost are critical. It is available in a compact 2mm x 2mm x 0.75mm MLPD-W8 package, designed for surface mounting.
The SC4509WLTRT is ideal for portable media players, cellular phones, digital video cameras, and other devices requiring efficient LED backlighting. Its design incorporates current limit and over-voltage protection to safeguard the device under various operating conditions.
The input voltage range is 2.7V to 10V.
The maximum output voltage is 20V.
The switching frequency is 1.2MHz.
The maximum LED current is 30mA.
The typical efficiency is 81%.
The operating temperature range is -40°C to 85°C.
The SC4509WLTRT is supplied in an 8-MLPD (2x2) package.