LM3280 - Adjustable Step-Down DC-DC Converter and 3 LDOs

Product Overview

National Semiconductor

Part number	LM3280
Manufacturer	National Semiconductor
File Size	723.39 KB
Description	Adjustable Step-Down DC-DC Converter and 3 LDOs
Datasheet	LM3280 Datasheet
Additional preview pages of the LM3280 datasheet.

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.

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.
300mA Maximum load capability (PWM mode).
500mA Maximum load capability (Bypass mode).
PWM, Forced and Automatic Bypass Mode.
3 Low-dropout and fast transient respon.

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Published: Feb 19, 2016 |