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 V.
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 (up to 1 A in Bypass)
- High Efficiency (95% typical at 3.9 VIN,
- 3 VOUT at 500 mA)
- Automatic ECO/PWM/BP Mode Change
- Current Overload Protection
- Thermal Overload Protection
- Soft-Start Function
