FAN21SV04 ,TinyBuck?- 4A, 24V Single-Input Integrated Synchronous Buck RegulatorFeatures Description Single-Supply Operation with 4 A Output Current The FAN21SV04 TinyBuck™ is a ..
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FAN21SV04
TinyBuck?- 4A, 24V Single-Input Integrated Synchronous Buck Regulator
FAN21SV04 — TinyBuck™ 4 A, 24 V Single-Input Integrated Synchronous Buck Regulator November 2012 FAN21SV04 — TinyBuck™ 4 A, 24 V Single-Input Integrated Synchronous Buck Regulator Features Description Single-Supply Operation with 4 A Output Current The FAN21SV04 TinyBuck™ is a highly efficient, small-footprint, programmable-frequency, 4 A, Wide Input Range with Dual Supply: 3.0 V to 24 V integrated synchronous buck regulator. Wide Output Voltage Range: 0.8 V to 80% V IN FAN21SV04 contains both synchronous MOSFETs Over 94% Peak Efficiency and a controller/driver with optimized interconnects in 1% Reference Accuracy Over Temperature one package, which enables designers to solve high- current requirements in a small area with minimal Fully Synchronous Operation with Integrated external components, thereby reducing cost. On- Schottky Diode on Low-Side MOSFET Boosts board internal 5 V regulator enables single-supply Efficiency operation for input voltages >6.5 V. Single Supply Device for V > 6.5 V – 24 V IN The FAN21SV04 can be configured to drive multiple Programmable Frequency Operation (200- slave devices OR synchronize to an external system 600 KHz) clock. In slave mode, FAN21SV04 may be set up to be free-running in the absence of a master clock signal. Synchronizable to External Clock with Master/Slave Provisions External compensation, programmable switching Power-Good Signal frequency, and current-limit features allow for design optimization and flexibility. High-frequency operation Accepts Ceramic Capacitors on Output allows for all-ceramic solutions. External Compensation for Flexible Design Fairchild’s advanced BiCMOS power process, Starts on Pre-Bias Outputs combined with low-R internal MOSFETs and a DS(ON) thermally efficient MLP package, provide the ability Integrated Bootstrap Diode to dissipate high power in a small package. Programmable Over-Current Protection Integration helps minimize critical inductances, Under-Voltage, Over-Voltage, and Thermal- making layout simpler and more efficient compared Shutdown Protections to discrete solutions. 5x6mm, 25-Pin, 3-Pad MLP Package Output over-voltage, under-voltage, over-current, and thermal-shutdown protections help protect the device Applications from damage during fault conditions. FAN21SV04 prevents pre-biased output discharge during startup in Servers & Telecom point-of-load applications. Graphics Cards & Displays Related Resources Computing Systems TinyCalc™ Calculator Design Tool Set-Top Boxes & Game Consoles AN-8022 — TinyCalc™ Calculator User Guide Point-of-Load Regulation Ordering Information Operating Packing Part Number Temperature Range Package Method FAN21SV04MPX -10°C to 85°C Molded Leadless Package (MLP) 5x6 mm Tape and Reel FAN21SV04EMPX -40°C to 85°C Molded Leadless Package (MLP) 5x6 mm Tape and Reel © 2009 FAN21SV04 • Rev. 1.0.3
