| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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9,000 pcs
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9000 pcs | On Request | 1 | On Request | On Request | 25+ | On Request | On Request |
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The LMR51450SDRRR from Texas Instruments is a versatile synchronous buck converter designed for industrial applications. It can deliver up to 5A of continuous output current and accepts a wide input voltage range of 4V to 36V, making it suitable for power conditioning from unregulated sources.
This device features an adjustable switching frequency between 200 kHz and 1.1 MHz, allowing designers to optimize for efficiency or component size. It offers both PFM and forced PWM modes for different load conditions. Integrated soft-start and compensation circuits minimize the need for external components.
Protection features are built-in, including cycle-by-cycle current limiting, hiccup mode short-circuit protection, and thermal shutdown, enhancing reliability. The LMR51450SDRRR is available in a 12-WSON package, suitable for surface mount applications.
Key specifications include a ±1.0% voltage reference tolerance at room temperature, a low quiescent current of 25 µA, and a junction temperature range of -40°C to 150°C. It is also functional safety-capable, with documentation available to aid system design.
| Qty | Low | High |
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| 1+ | $0.20 | $0.20 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
4V to 36V.
Up to 5A continuous.
-40°C to 150°C junction temperature.
12-WSON (3x3) and 12-WFDFN Exposed Pad.
Adjustable from 200kHz to 1.1MHz.
Yes, includes VIN undervoltage lockout, cycle-by-cycle current limiting, short-circuit protection with hiccup mode, and thermal shutdown.
Yes, it is functional safety-capable with documentation available to aid system design.