| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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3,780 pcs
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3780 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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| Tape & Reel |
The UC3843BD1-LF from ST is a versatile DC DC switching controller, specifically designed for flyback applications. This integrated circuit is capable of operating within a wide supply voltage range, from 7.6V up to 30V, making it suitable for various power management designs. It supports both boost and flyback topologies, offering flexibility in circuit configuration. The device features a switching frequency of up to 500kHz, enabling efficient power conversion.
Packaged in a standard 14-SOIC surface mount configuration, the UC3843BD1-LF is designed for ease of integration into printed circuit boards. Its output type is a transistor driver, and it supports positive output configurations that are isolation capable. The operating temperature range is from 0°C to 70°C (TA), ensuring reliable performance in typical ambient conditions. This component is ideal for applications requiring efficient and stable DC to DC power conversion.
Key specifications include a single output phase and a single output configuration. The controller is not a synchronous rectifier. The description highlights its function as an IC regulator controller for flyback converters. The RoHS status is noted as non-compliant.
| Qty | Low | High |
|---|---|---|
| 1+ | $2.95 | $2.95 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage supply range is 7.6V to 30V.
The switching frequency is up to 500kHz.
It is in a 14-SOIC package.
The operating temperature is between 0°C and 70°C (TA).
The RoHS status is non-compliant.