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| Categories | Power Line Inductor | 
|---|---|
| Brand Name: | Texas Instruments | 
| Model Number: | LMR54410DBVR | 
| Certification: | / | 
| Place of Origin: | N/S | 
| MOQ: | 1PCS | 
| Price: | Negotiation | 
| Payment Terms: | T/T | 
| Supply Ability: | 9999999+PCS | 
| Delivery Time: | 2-7 work days | 
| Type: | power distribution system | 
| Rated voltage: | 10-100kV | 
| Impulse current withstand: | 31.5kA for 2s | 
| Standard: | IEC60439 | 
| Applicable wire diameter: | 16mm sq≤D≤240mm sq | 
| Company Info. | 
| Yingxinyuan Int'l(Group) Ltd. | 
| View Contact Details | 
| Product List | 
| Vin (Min) (V) | 4 | 
| Vin (Max) (V) | 36 | 
| Vout (Min) (V) | 1 | 
| Vout (Max) (V) | 28 | 
| Iout (Max) (A) | 1 | 
| Iq (Typ) (uA) | 80 | 
| Switching frequency (Min) (kHz) | 1100 | 
| Switching frequency (Max) (kHz) | 1100 | 
| Features | Enable, Forced PWM, Light Load Efficiency, Over Current Protection, Pre-Bias Start-Up, Soft Start Fixed, Synchronous Rectification | 
| Operating temperature range (C) | -40 to 125 | 
| Rating | Catalog | 
| Regulated outputs (#) | 1 | 
The LMR544xx is a wide-VIN, easy-to-use synchronous buck converter capable of driving up to 1-A and 0.6-A load current. With a wide input range of 4 V to 36 V, the device is suitable for a wide range of industrial applications for power conditioning from an unregulated source.
The LMR544xx operates at 1.1-MHz switching frequency to support use of relatively small inductors for an optimized solution size. It has a PFM version to realize high efficiency at light load and a FPWM version to achieve constant frequency and small output voltage ripple over the full load range. Soft-start and compensation circuits are implemented internally, which allow the device to be used with minimal external components.
The device has built-in protection features, such as cycle-by-cycle current limit, hiccup mode short-circuit protection, and thermal shutdown in case of excessive power dissipation.
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