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http://www.ti.com/general/docs/suppproductinfo.tsp?distId=26&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Flm61430-q1″>View Datasheet
Texas Instruments LM61430-Q1 Synchronous Step-Down Converter is a high-performance DC-DC synchronous step-down converter. With integrated high-side and low-side MOSFETs, up to 3A of output current is delivered over a wide input range from 3.0V to 36V, tolerant of 42V, easing input surge protection design. The LM61430-Q1 implements soft recovery from dropout, eliminating overshoot on the output.
The Texas Instruments LM61430-Q1 is specifically designed for minimal EMI. The device incorporates adjustable SW node rise time, a low-EMI VQFN-HR package featuring low switch node ringing, and optimized pinout for ease of use. The switching frequency can be set or synchronized between 200kHz and 2.2MHz to avoid noise-sensitive frequency bands. In addition, the frequency can be selected for improved efficiency at a low operating frequency or a smaller solution size at a high operating frequency.
The auto mode enables frequency foldback when operating at light loads, allowing an unloaded current consumption of only 7µA (typical) and high light-load efficiency. A seamless transition between PWM and PFM modes, along with very low MOSFET ON resistances and an external bias input, ensures exceptional efficiency across the entire load range. Electrical characteristics are specified over a junction temperature range of –40°C to +150°C.
