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. It steps down an input voltage from 2.7V to 5.5V to a variable output voltage from 0.8V(typ.) to 3.6V(typ.).
LM3207 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