CM3002-33MA datasheet, PDF - EEWORLD Datasheet

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CM3002-33MA: DescriptionMicropower 1.0A Low Dropout CMOS Regulators; File Size337KB，17 Pages; ManufacturerCALMIRCO; Websitehttp://www.calmicro.com/

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CM3002-33MA Overview

Micropower 1.0A Low Dropout CMOS Regulators

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CM3002

Micropower 1.0A Low Dropout CMOS Regulators

Features

•

Regulated output options: 1.5, 1.8, 2.5 and

3.3 volts

1.0A output current

Operates from 3.3V supply (5.0V for CM3002-33)

Very low dropout voltage on CM3002-33

products (500mV@1A)

Enable Output Control for power-up sequencing

Low quiescent operating current (< 600

A typical)

Current limit protection

Thermal overload protection

Reverse voltage protection

Available in thermally-enhanced SOIC-8 and

MSOP-8 (CM3002-33MA/MF) packages

Lead-free versions available

Product Description

The CM3002 family of regulators are very low dropout

regulators that deliver up to 1.0A of load current at a

fixed voltage output. Input and output voltage options

for the CM3002 family devices are presented in

Table 1.

Operating from a single input supply, these devices are

ideally suited for powering low voltage “core” proces-

sors, especially where a 3.3V source is already avail-

able.

These regulators feature a dedicated control input (EN,

Active High) for power-up sequencing flexibility. When

this input is taken low, the regulator output is disabled.

In this state, the supply current will drop to a low level

to ensure all the internal control circuitry still remains

active. This provides excellent start-up response when-

ever the device comes out of shutdown.

The CM3002 family of regulators is fully protected,

offering both overload current limiting and high temper-

ature thermal shutdown. Housed in space saving ther-

mally-enhanced SOIC-8 and MSOP-8 (CM3002-33MA/

MF) packages, these devices ensure maximum junc-

tion-to-ambient power dissipation.

The CM3002 is available with optional lead-free finish-

ing.

Applications

•

Low Voltage "Core" Processors

Peripheral Adapter Cards

Portable/Battery-Powered Devices

Table 1: CM3002 Regulator Family

PRODUCT

CM3002-15SA/SF

CM3002-18SA/SF

CM3002-25SA/SF

CM3002-33SA/SF

CM3002-33MA/MF

INPUT

VOLTAGE

3.3V

5.0V or 3.3V

OUTPUT VOLTAGE

1.5V

1.8V

2.5V

3.3V

Typical Application Circuit

Simplified Electrical Schematic

Supply

Voltage +

OUT

100nF

GND

OUT

Thermal Sensor

Current Limit

Reference

Voltage

OUT

GND

08/16/04

430 N. McCarthy Blvd., Milpitas, CA 95035-5112

▲

Tel: 408.263.3214

▲

Fax: 408.263.7846

▲

www.calmicro.com

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