3.5V to 36V, wide VIN synchronous rectification 2.1MHz buck converter 'LM53603'
The LM53603 buck regulator is a product specifically designed for industrial and automotive applications at 12V, supplying variable outputs from 3.3V to 10V at 3A from a maximum input voltage of 36V. With advanced high-speed circuitry, this device can regulate inputs up to 20V and outputs 5V at a switching frequency of 2.1MHz. Its innovative architecture allows it to regulate 3.3V output from an input voltage as low as 3.5V. An open-drain reset output with filtering and delay can indicate the true state of the system. This feature eliminates the need for additional supervisor components, reducing costs and board space. 【Features】 ■ Maximum load current: 3A ■ Input voltage range: 3.5V to 36V, maximum transient voltage: up to 42V ■ Adjustable output voltage range: 3.3V to 10V ■ Fixed switching frequency: 2.1MHz ■ Output voltage tolerance: ±2% ■ Junction temperature range: -40°C to 150°C *For more details, please contact us.
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basic information
【Other Features】 ■ Shutdown current: 1.7µA (typical value) ■ Input consumption current under no load: 24µA (typical value) ■ Reset output with filter and delay ■ Efficiency improvement through automatic light load mode ■ User-selectable forced PWM mode (FPWM) ■ Built-in loop compensation, soft start, current limit, thermal shutdown, UVLO, and external frequency synchronization ■ Excellent thermal characteristics in a 16-lead package: 5mm×4.4mm×1mm *For more details, please contact us.
Applications/Examples of results
【Applications】 ■Industrial power supply: Building automation and factory automation ■Battery-powered devices ■Low noise and low EMI applications ■Optical communication systems *For more details, please contact us.
Company information
Texas Instruments (Headquarters: Dallas, Texas, USA; Chairman, President, and CEO: Rich Templeton; Abbreviation: TI) supports customers in developing new electronic devices that make the world "more convenient, healthier, safer, environmentally friendly, and enjoyable," and works together to solve challenges. TI has manufacturing, design, and sales locations in over 30 countries worldwide and continues to pursue innovation. TI's analog ICs and embedded processing support everyday life from behind the scenes in a society overflowing with digital devices. The company is actively investing in products and technologies for markets that will become increasingly important in the future, such as the environment, energy, healthcare, medical devices, and security. Technical Inquiry Contact TI Japan Product Information Center 【http://www.tij.co.jp/pic/】
