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MAX1920 Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX1920 Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 8 page Conclusion The MAX1921 sucessfully meets the quality and reliability standards required of all Maxim products. In addition, Maxim’s continuous reliability monitoring program ensures that all outgoing product will continue to meet Maxim’s quality and reliability standards. Table of Contents I. ........Device Description V. ........Quality Assurance Information II. ........Manufa cturing Information VI. .......Reliability Evaluation III. .......Packaging Information IV. .......Die Information ......Attachments I. Device Description A. General The MAX1921 step-down converter delivers over 400mA to outputs as low as 1.25V. This converter uses a unique proprietary current-limited control scheme that achieves over 90% efficiency. This device maintains extremely low quiescent supply current (50µA), and it’s high 1.2MHz (max) operating frequency permits small, low-cost external components. This combination makes the MAX1921 an excellent high-efficiency alternative to linear regulators in space-constrained applications. Internal synchronous rectification greatly improves efficiency and eliminates the external Schottky diode required in conventional step-down converters. The device also includes internal digital soft-start to limit input current upon startup and reduce input capacitor requirements. The MAX1921 provides factory-preset output voltages (see the Selector Guide) and is available in space-saving 6-pin SOT23 packages B. Absolute Maximum Ratings Item Rating IN, FB, SHDN to AGND -0.3V to +6V OUT to AGND, LX to PGND -0.3V to (IN + 0.3V) AGND to PGND -0.3V to +0.3V OUT Short Circuit to GND 10s Operating Temperature Range -40°C to +85°C Junction Temperature +150°C Storage Temperature -65°C to +150°C Lead Temperature (soldering 10s) +300°C Continuous Power Dissipation (TA = +70 °C) 6-Pin SOT23 696mW Derates above +70 °C 6-Pin SOT23 8.7mW/ °C |
Similar Part No. - MAX1920 |
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Similar Description - MAX1920 |
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