CM3065

Features:

* Operates as an adjustable output or a fixed output regulator with 2 output voltage options
* 1.8V or 2.5V fixed output voltage versions
* 360mV dropout at 2.0A load current
* Operates from 2.2V to 5.5V input supply
* Low Ground current (350A at 2.0A Load)
* Stable with low ESR ceramic output capacitor
* Current limit protection
* Thermal overload protection
* Reverse voltage protection
* Thermally enhanced 8-lead SOIC or 3-lead TO-263 package
* Lead-free versions available


Application

* Low voltage "Core" processors
* Graphics cards
* Gigabit NIC cards
* PC motherboards
* Notebook computers


Description

The CM3065 family of very low dropout regulators offers both fixed/adjustable-output and fixed-output operation capable of delivering up to 2A of current. The CM3065 devices are fully protected, offering overload current limiting, short circuit protection, high tempera-ture thermal shutdown, and reverse voltage protection to minimize reverse current flow into the output pin.
The CM3065-xxSA/SF (8-lead, SOIC packaged) devices operate in either adjustable or fixed output modes. When the ADJ input is grounded, the regulator operates as a fixed output voltage device at the speci-fied output voltage. When the ADJ input is connected to an external resistor network the device operates as an adjustable regulator. The ADJ input can also be tied directly to the OUT pin which configures the CM3065 as a 1.2V regulator. The CM3065-xxSA/SF devices feature an Enable control input (EN), which when set low, disables the device to a low quiescent current mode.
The CM3065-xxTO/TN (TO-263 packaged) versions operate as higher power, fixed output voltage devices and are available with 1.8V or 2.5V outputs voltages only.
The CM3065 is available in a space saving, 8-lead power SOIC which has been thermally enhanced with an integral leadframe to ensure maximum junction to ambient power dissipation, or a 3-lead TO-263 pack-age. Both packages are offered with optional lead-free finishing.