FAN2103 − TinyBuck™ - 3A, 24V Input, Integrated Synchronous Buck Regulator

This part is covered in Fairchild's < href="http://www.fairchildsemi.com/design_tools/tinycalc/tinycalc.html">TinyCalc Calculator™ for the design of TinyBuck™-based regulators.The FAN2103 TinyBuck™ is an easy-to-use, cost- and space-efficient, 3A synchronous buck solution. It enables designers to solve high current requirements in a small area with minimal external components.External compensation, programmable switching frequency, and current limit features allow for design optimization and flexibility.The summing current mode modulator uses lossless current sensing for current feedback and over-current, and includes voltage feedforward.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 plus power-good, help protect the devices from damage during fault conditions.

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Product Status/Pricing/Packaging

Product Product & Eco Status *Pricing Packaging & Packing Info **Package Marking Convention Qualification Support Compliance Certificates
0 FAN2103MPX Full Production
Green as of Jan 2008
$1.36 MLP 5x6 25L Details TAPE REEL Line 1:$Y (Fairchild logo)
&Z (Plant Code)
&2 (2-Digit Date Code) &K
Line 2:2103MP
Line 3:C
FIT :  3.4  
ESD (CDM) :  2500  V
ESD (HBM) :  2000  V
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0 FAN2103EMPX Full Production
Green as of Jan 2008
$1.36 MLP 5x6 25L Details TAPE REEL Line 1:$Y (Fairchild logo)
&Z (Plant Code)
&2 (2-Digit Date Code) &K
Line 2:2103EMP
Line 3:C
FIT :  3.4  
ESD (CDM) :  2500  V
ESD (HBM) :  2000  V
Show more...

Features

  • 3A Output Current
  • Over 95% Efficiency
  • Fully Synchronous Operation with Integrated Schottky Diode on Low-side MOSFET Boosts Efficiency
  • Programmable Frequency Operation (200KHz to 600KHz)
  • Power-good Signal
  • Accepts Ceramic Capacitors on Output
  • External Compensation for Flexible Design
  • Wide Input Range: 3V to 24V
  • Output Voltage Range: 0.8V to 90%VIN
  • Input Under-Voltage Lockout
  • Programmable Over-Current Limit
  • Under-voltage, Over-Voltage, and Thermal Protections
  • 5x6mm, 25-pin, 3-pad MLP

Applications

  • TBA

Application Notes

Application Note Description
AN-9049 Assembly Guidelines for Fairchilds TinyBuck™ Packaging(670 K) 05-Mar-2011
AN-8022 TinyCalc™ Users Guide(1,120 K) 31-Aug-2011

Videos

TinyBuck™ Family of Synchronous Buck Regulators for DC-DC Conversion

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Podcasts

Efficient DC-DC Designs
2009-6-11 0:06:10 5935882B Download
Listen to the ways of improving efficiency in DC-DC designs.

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