Four to 60V, 600mA step-down regulator with low Iq
The LMR16006 from Texas Instruments is a PWM DC/DC buck (step-down) regulator. With a wide input range of four to 60V, it is suitable for a wide range of application from industrial to automotive for power conditioning from an unregulated source. The regulator’s standby current is 28µA in ECO mode, which is suitable for battery operating systems.
An ultra low 1µA shutdown current can further prolong battery life. Operating frequency is fixed at 0.7MHz (X version) and 2.1MHz (Y version) allowing the use of small external components while still being able to have low output ripple voltage.
Soft-start and compensation circuits are implemented internally, which allows the device to be used with minimised external components. The LMR16006 is optimised for up to 600mA load currents. It has a 0.765V typical feedback voltage.
The device has built-in protection features such as pulse by pulse current limit, thermal sensing and shutdown due to excessive power dissipation. The LMR16006 is available in a low profile SOT-6L package.
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