CX8508 Wide Input 2A Step Down Converter
DESCRIPTION
The CX8508 is a monolithic synchronous buck regulator. The device integrates 100Mω MOSFETS that provide 2A continuous load current over a wide operating input voltage of
4.75V to 25V. Current mode control provides fast transient response and cycle-by-cycle current limit. An adjustable soft-start prevents inrush current at turn-on. In shutdown mode, the supply current drops below 1 μA. This device, available in an 8-pin SOIC package, provides a very compact system solution with minimal reliance on external components.
FEATURES
􀁺 2A Output Current
􀁺 Wide 4.75V to 25V Operating Input Range
􀁺 Integrated 100mΩ Power MOSFET Switches
􀁺 Output Adjustable from 0.925V to 20V
􀁺 Up to 95% Efficiency
􀁺 Programmable Soft-Start
􀁺 Stable with Low ESR Ceramic Output Capacitors
􀁺 Fixed 340KHz Frequency
􀁺 Cycle-by-Cycle Over Current Protection
􀁺 Input Under Voltage Lockout
􀁺 Thermally Enhanced 8-Pin SOIC Package
APPLICATIONS
􀁺 Distributed Power Systems
􀁺 Networking Systems
􀁺 Set-top Box
􀁺 LCD TV/Monitor
􀁺 Notebook or Mini-Book |
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