MaxLinear | SP6669EB

Exar's PowerXR products fuse digital power-supply control andmonitoring technology with high-performance analog circuitry in a new generationof digital power-management products that enable system architects to createproducts with advanced, integrated, switching power supplies that significantlyreduce wasted energy compared to more commonly used linear power-supplyregulators.

Exar Corporation is Powering Connectivity by delivering highly differentiatedsilicon solutions empowering products to connect. With distinctive knowledge inanalog and digital technologies, Exar enables a wide array of applications suchas portable devices, home media gateways, communications systems, and industrialautomation equipment.

The SP6669 is a 600 mA synchronous buck converter using a constant frequencycurrent mode architecture with pulse width modulation for low output voltageripple and fixed frequency noice, a pulse skip mode for light load efficiencyand a LDO mode for 100% duty cycle.

Features:

• Up to 600 mA Output Current.
  •  Up to 95% Efficiency.
  •  1.5 MHz Constant frequency Operation.
  •  Low Dropout Operation Mode: 100% Duty Cycle.
• Output Voltege as low as 0.6 V.
• No Schotty Diode Required.
• Excellent Line and Current(no load).
• Over-Temperature Protection.
• 2.5 V to 5.5 V Input Voltage Range.
• Lead Free SOT23-5 Package.

Applications:

• Cellular phones.
• Wireles Networking.
• Dogital Cameras.
• Portable Instruments.
• Portable Media Players