| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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1,000 pcs
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1000 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The BL9309 from Shanghai Belling Co Ltd is a high-efficiency DC-to-DC step-down switching regulator designed for low voltage power conversions. It is capable of delivering up to 2A of output current and operates from an input voltage range of 2.5V to 5.5V, providing an output voltage from 0.6V to VIN. Its 1.3MHz fixed switching frequency allows for the use of small external components, reducing board space and cost.
This synchronous buck converter features internal compensation and soft-start circuitry to reduce inrush current. It also includes protection features such as short-circuit and thermal-overload protection for enhanced design reliability. The device achieves high efficiency, up to 97%, making it an ideal green replacement for linear regulators. It is available in SOT23-6 and SOT23-5 packages.
Applications for the BL9309 include digital cameras, MP3 and MP4 players, set-top boxes, wireless and DSL modems, USB supplied devices in notebooks, and other portable devices. The internal synchronous rectifier contributes to its excellent efficiency and low output ripples.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.17 | $1.17 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The BL9309 is capable of delivering up to 2A of output current.
The BL9309 operates from an input voltage range of 2.5V to 5.5V.
The BL9309 operates at a fixed switching frequency of 1.3MHz.
The BL9309 offers high efficiency, up to 97%.
The BL9309 is available in SOT23-6 and SOT23-5 packages.
The operating temperature range for the BL9309 is -40°C to +85°C.