Highly integrated, wide voltage input synchronous converters feature industry-leading EMI and thermal performance
Texas Instruments (TI) introduced two families of wide-VIN synchronous DC/DC buck regulators with industry-leading electromagnetic interference (EMI) and thermal performance. The highly integrated 5-A and 6-A LM73605/6 and 2.5-A and 3.5-A LM76002/3 step-down voltage converters feature an optimized pinout and best-in-class thermal coefficient to simplify the process of achieving EMI compliance and higher reliability for rugged industrial and automotive power supplies.
The 3.5-V to 36-V LM73605/6 and 3.5-V to 60-V LM76002/3 buck regulators meet and exceed the demanding CISPR 25 Class 5 automotive electromagnetic compatibility (EMC) requirements. These regulators' programmable output switching frequency can be set either above the AM band, which eliminates AM-band interference and reduces output filter size and cost, or below the AM band to optimize efficiency.
Key features and benefits of the LM73605/6 and LM76002/3
- The new DC/DC converters provide up to 60-V operating input voltage range for nominal 12-V, 24-V or 48-V systems such as remote radio units, ultrasound scanners, motor drives, inverters and servo control units.
- The new regulators offer up to 92 percent full load efficiency at 12 VIN, 5 VOUT
and 500 KHz switching frequency. Very low 15-µA standby quiescent current increases light load efficiency.
- The automotive-grade LM76002-Q1, LM76003-Q1, LM73605-Q1 and LM73606-Q1 support compact automotive applications such as the infotainment head unit and front/surround-view cameras used for autonomous driving.
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