LM3207 Datasheet (PDF) Download
National Semiconductor
LM3207

Description

The LM3207 is a DC-DC converter optimized for powering WCDMA / CDMA RF power amplifiers (PAs) from a single Lithium-Ion cell; however they may be used in many other applications.

Key Features

  • 2MHz (typ.) PWM Switching Frequency
  • Operates from a single Li-Ion cell (2.7V to 5.5V)
  • Variable Output Voltage (0.8V to 3.6V)
  • 650mA Maximum load capability
  • High Efficiency (95% Typ at 3.9VIN, 3.4VOUT at 400mA)
  • Integrated Vref LDO
  • Regulated LDO Output up to 10mA max
  • Fast 3uS Vref LDO On/Off Time
  • 9-pin micro SMD Package
  • Current Overload Protection

Applications

  • Cellular Phones