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CM3004

California Micro Devices
Part Number CM3004
Manufacturer California Micro Devices
Description 1.0 Amp Dual Mode Low-Dropout CMOS Regulator
Published Apr 17, 2010
Detailed Description PRELIMINARY www.DataSheet4U.com CM3004 1.0 Amp Dual Mode Low-Dropout CMOS Regulator Features • • • • • • • • • • • Int...
Datasheet PDF File CM3004 PDF File

CM3004
CM3004

Overview
PRELIMINARY www.
DataSheet4U.
com CM3004 1.
0 Amp Dual Mode Low-Dropout CMOS Regulator Features • • • • • • • • • • • Internally fixed or adjustable output modes 250mV dropout at 1.
0A load current Operates from 1.
7V to 5.
5V input supply Low Ground current (330µA at 1.
0A Load) Minimal output capacitance required Stable with low ESR ceramic output capacitors Current limit protection Thermal overload protection Reverse current protection in shutdown Thermally enhanced 8-lead SOIC package Lead-free version available Product Description The CM3004 is a very-low-dropout regulator that offers both fixed output and fixed/adjustable operating modes.
When the Adjust control pin (ADJ) is grounded, this device automatically enters a fixed voltage mode delivering 2.
5V out at 1.
0A.
When the Adjust pin is connected to an external resistor network the device automatically operates as an adjustable regulator.
The Adjust pin can also be tied directly to the OUT pin which configures the CM3004 as a 1.
2V regulator.
An Enable control pin (EN) allows the device to be placed in a low-current mode.
The CM3004 is fully protected, offering both overload current limiting, short-circuit protection and high-temperature thermal shutdown.
The CM3004 also includes protection against output to input current flow while in shutdown.
The CM3004 is supplied in a space-saving, 8-lead power SOIC package which has been thermally enhanced via an integral leadframe to ensure maximum junction-to-ambient power dissipation.
The CM3004 is also available with optional lead-free finishing.
Applications • • • • • • • • Low-voltage "Core" processors Set top boxes DVD players Personal video recorders Graphics Cards Gigabit NIC Cards PC Motherboards Notebooks Typical Application Circuits CM3004 VIN 3.
3V IN EN GND OUT ADJ 2.
5V/1.
0A VOUT Simplified Electrical Schematic IN 1.
7V-5.
5V Controller Over Current Short Circuit Over Temp 10µF 100nF 10µF EN GND 1.
2V Reference Voltage + EN CM3004 VIN 1.
8V IN EN GND OU...


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