LM3242 Description
The LM3242 is a DC-DC converter optimized for powering RF power amplifiers (PAs) from a single lithium-ion cell; however, it may be used in many other applications. It steps down an input voltage from 2.7 V to 5.5 V to an adjustable output voltage from 0.4 V to 3.6.
LM3242 Key Features
- 1 2.7-V to 5.5-V Input Voltage Operating From Single Li-Ion Cell
- 6-MHz (typical) PWM Switching Frequency
- 0.4-V to 3.6-V Adjustable Output Voltage
- 750-mA Maximum Load Capability
- High Efficiency (95% typical at 3.9 VIN
- Automatic ECO/PWM/BP Mode Change
- Current Overload Protection
- Thermal Overload Protection
- Soft-Start Function
- Small Chip Inductor in 0805 (2012) case size