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http://www.ti.com/general/docs/suppproductinfo.tsp?distId=26&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Flmr36503-q1″>View Datasheet
Texas Instruments LMR36503/LMR36503-Q1 65V 0.3A Buck Converter is a small 65V, 0.3A synchronous step-down DC/DC converter in a 2mm x 2mm HotRod™ package. This easy-to-use converter can handle input voltage transients up to 70V, provide excellent EMI performance, and support fixed 3.3V, 5V, and other adjustable output voltages.
The Texas Instruments LMR36503/LMR36503-Q1 uses peak current mode control architecture with internal compensation and maintains stable operation with minimal output capacitance. The wide input operating range of the LMR36503-Q1 helps it remain functional during a deep input voltage sag condition, making it an excellent choice for automotive applications withstanding severe cold crank start impulses. The PGOOD flag in the LMR36503/LMR36503-Q1 provides a precise indication of the output voltage status, eliminating the requirement for an external supervisor. A seamless transition from FPWM to PFM, with an ultra-low standby quiescent current, allows the LMR36503/LMR36503-Q1 to support much higher system efficiency at low output loads. The MODE/SYNC pin variant helps to synchronize the LMR36503/LMR36503-Q1 to an external clock. With the right resistor selection, the LMR36503-Q1 RT pin variant can be externally programmed to any desired switching frequency of operation. The rich feature set of the LMR36503/LMR36503-Q1 is designed to simplify implementation for a wide range of automotive end types of equipment. The LMR36503-Q1 devices are AEC-Q100 qualified for automotive applications.
