SW5099 DC to DC IC

SW5099 DC to DC IC

The MAX5099 offers a dual-output, high-switching-frequency DC-DC buck converter with an integrated high side switch. The MAX5099 integrates two low-side MOSFET drivers to allow each converter to drive an external synchronous-rectifier MOSFET. Converter 1 delivers up to 2A output current, and converter 2 can deliver up to 1A of output current. The MAX5099 integrates load-dump protection circuitry that is capable of handling load-dump transients up to 80V for automotive applications. The load-dump protection circuit utilizes an internal charge pump to drive the gate of an external n-channel MOSFET.

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• Wide 4.5V to 5.5V or 5.2V to 19V Input Voltage Range with 80V Load-Dump Protection
  

• Dual-Output DC-DC Converter with Integrated Power MOSFETs
  

• Adjustable Outputs from 0.8V to 0.9VIN
  

• Output Current Capability Up to 2A and 1A
  

• Switching Frequency Programmable from 200kHz to 2.2MHz
  

• Synchronization Input (SYNC)
  

• Individual Converter Enable Input and Power Good Output
  

• Low-IQ (7µA) Standby Current (ON/OFF)
  

• Internal Digital Soft-Start and Soft-Stop
  

Applications of SW5099 DC to DC IC

• Automotive AM/FM Radio Power Supply
  

• Automotive Instrument Cluster Display
  

Package Includes

• 1 x SW5099 DC to DC IC