The LMR12010YMKE regulator is a monolithic, high frequency, PWM step-down DC/DC converter ina 6-pin thin SOT23 package. It provides all the active functions to provide local DC/DC conversionwith fast transient response and accurate regulation in the smallest possible PCB area.
With a minimum of external components and online design support through WEBENCH, theLMR12010YMKE is easy to use. The ability to drive 1-A loads with an internal 300-m NMOS switch usingstate-of-the-art 0.5-μm BiCMOS technology results in the best power density available. The worldclass control circuitry allows for on-times as low as 13 ns, thus supporting exceptionally highfrequency conversion over the entire 3-V to 20-V input operating range down to the minimum outputvoltage of 0.8 V. Switching frequency is internally set to 1.6 MHz (LMR12010X) or 3 MHz(LMR12010Y), allowing the use of extremely small surface mount inductors and chip capacitors. Eventhough the operating frequencies are very high, efficiencies up to 90% are easy to achieve.External shutdown is included, featuring an ultra-low standby current of 30 nA. The LMR12010utilizes current-mode control and internal compensation to provide high-performance regulation overa wide range of operating conditions. Additional features include internal soft-start circuitry toreduce inrush current, pulse-by-pulse current limit, thermal shutdown, and output overvoltageprotection.
Feature
- Input Voltage Range of 3 V to 20 V
- Output Voltage Range of 0.8 V to 17 V
- Output Current up to 1 A
- 1.6 MHz (LMR12010X) and 3 MHz (LMR12010Y) Switching Frequencies
- Low Shutdown IQ, 30 nA Typical
- Internal Soft Start
- Internally Compensated
- Current-Mode PWM Operation
- Thermal Shutdown
- Tiny Overall Solution Reduces System Cost
- Thin 6-Pin SOT-23 Package (2.97 × 1.65 × 1 mm)
- Create a custom design using the LMR12010 with the WEBENCH Power Designer
