| Part Number | LM3280 |
|---|---|
| Manufacturer | National Semiconductor |
| 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 .
a separate enable pin for each output.
The LM3280 is available in a 16-pin lead free micro SMD package.
Features
* 2MHz (typ.) PWM Switching Frequency * Operates from a single Li-Ion cell (2.7V to 5.5V) * Adjustable Output Voltage (0.8V to 3.6V) DC-DC * High-efficiency synchronous buck converter * . |
LM3280 Datasheet
The LM3280 is a Adjustable Step-Down DC-DC Converter and 3 LDOs.
| Part Number | LM3280 |
|---|---|
| Description | Adjustable Step-Down DC-DC Converter |
| Manufacturer | Texas Instruments |
| 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 .
1
*2 2MHz (typ.) PWM Switching Frequency * Operates from a Single Li-Ion Cell (2.7V to 5.5V) * 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 Autom. |