LM3280
Overview
The LM3280 is a multi-functional Power Management Unit, optimized for low-power handheld applications such as Cellular Phones. The LM3280 incorporates three low-dropout LDO voltage regulators and one step down PWM DC-DC converter with an internal Bypass FET.
- 2 2MHz (typ.) PWM Switching Frequency
- Operates from a Single Li-Ion Cell (2.7V to
- Adjustable Output Voltage (0.8V to 3.6V) DC- DC
- High-Efficiency Synchronous Buck Converter
- 300mA Maximum Load Capability (PWM Mode)
- 500mA Maximum Load Capability (Bypass mode)
- PWM, Forced and Automatic Bypass Mode
- 3 Low-Dropout and Fast Transient Response LDOs
- 16-pin DSBGA Package
- Current Overload Protection
