FAN2108MPX Datasheet

DC/DC Switching Controllers


The FAN2108MPX TinyBuck™ is a highly efficient, small footprint, 8 A, synchronous buck regulator. The FAN2108MPX contains both synchronous MOSFETs and a controller/driver with optimized interconnects in one package, which enables designers to solve highcurrent requirements in a small area with minimal external components. External compensation, programmable switching frequency, and current limit features allow design optimization and flexibility. The summing current mode modulator uses lossless current sensing for current feedback and over-current protection. Voltage feedforward helps operation over a wide input voltage range. Fairchild’s advanced BiCMOS power process, combined with low-RDS(ON) internal MOSFETs and a thermally efficient MLP package, provide the ability to dissipate high power in a small package. Output over-voltage, under-voltage, and thermal shutdown protections help protect the device from damage during fault conditions. FAN2108MPX prevents pre-biased output discharge during startup in point-ofload applications. FAN2108MPX Features • Wide Input Voltage Range: 3 V-24 V • Wide Output Voltage Range: 0.8 V to 80% VIN• 8 A Output Current • Programmable Frequency Operation: 200 KHz to 600 KHz • Over 95% Peak Efficiency • Integrated Schottky Diode on Low-side MOSFET Boosts Efficiency • Internal Bootstrap diode • Power-Good Signal • Pre-Bias Startup • Accepts Ceramic Capacitors on Output • External Compensation for Flexible Design • Input Under-Voltage Lockout • Programmable Current Limit • Under-Voltage, Over-Voltage, and Thermal Shutdown Protections • Internal Soft-Start • 5x6mm, 25-Pin, 3-Pad MLP Package FAN2108MPX Applications • Servers • Point-of-Load Regulation • High-End Computing Systems • Graphics Cards • Battery-Powered Equipment • Set-Top Boxes


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Manufacturer information


Seiko Instruments Inc. Is a Japanese company which head office is located in 8, Nakase 1-chome, Mihama-ku, Chiba-shi, Chiba 261-8507, Japan . It’s business lines are: Watches Business Watches, Watch Movements Electronic Components Business Quartz crystals, Micro batteries, etc. Precision Mechatronics Business Inkjet printer heads, Hard disk components, Thermal printers, Compact precision components, Machine tools, FA, Musical instrument accessories, Radiation detection and measurement systems, etc.

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