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CM2831GUIM25

Description
Regulator
CategoryPower/power management    The power supply circuit   
File Size251KB,11 Pages
ManufacturerChampion Microelectronic Corp.
Power control management IC chips are the primary key to improving the power saving performance of electronic facilities and products. Backed by the most advanced technology in Silicon Valley, U.S., Hongguan Electronics has invested in AC-DC analog power IC professional design for many years, and has always adhered to the concept of implementing energy conservation and carbon reduction, striving for a green world, so that energy saving and power saving performance can be fully realized in people's lives around the world.
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CM2831GUIM25 Overview

Regulator

CM2831GUIM25 Parametric

Parameter NameAttribute value
MakerChampion Microelectronic Corp.
package instruction,
Reach Compliance Codeunknown

CM2831GUIM25 Preview

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CM2831
300mA CMOS LDO W
ITH
E
NABLE
GENERAL DESCRIPTION
The CM2831 family is a positive voltage linear regulator
developed utilizing CMOS technology featured low quiescent
current (30
µ
A typ.), low dropout voltage, and high output
voltage accuracy, making them ideal for battery applications.
EN input connected to CMOS has low bias current. The
space-saving SOT-23-5 package is attractive for “Pocket” and
“Hand Held” applications.
These rugged devices have both Thermal Shutdown, and
Current Fold-back to prevent device failure under the “Worst”
of operating conditions.
In application requiring a low noise, regulated supply, place a
1000pF capacitor between Bypass and Ground.
The CM2831 is stable with an output capacitance of 2.2
µ
F or
greater.
FEATURES
Very Low Dropout Voltage
Low Current Consumption: Typ. 30
µ
A, Max. 35
µ
A
Output Voltage: 1.8V, 1.9V, 2.2V, 2.5V, 2.7V, 2.8V, 2.9V,
3.0V, 3.3V, 3.5V, 3.6V, and 3.8V
High Accuracy Output Voltage: +/- 1.5%
Guaranteed 300mA Output
Input Range up to 7.0V
Thermal Shutdown
Current Limiting
Compact Package: SOT-23-5
Factory Pre-set Output Voltages
Short Circuit Current Fold-Back
Low Temperature Coefficient
APPLICATIONS
Battery-powered devices
Personal communication devices
Home electric/electronic appliances
PC peripherals
TYPICAL APPLICATIONS
IN
IN
C M 2831
BYP
GND
OUT
EN
OUT
5V
C1
1uF
C2
1nF
C3
2.2uF
2004/04/30
Rev. 1.6
Champion Microelectronic Corporation
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