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CM2843GABIM25

Description
300MA CMOS LDO WITH EN PG
File Size225KB,11 Pages
ManufacturerETC
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CM2843GABIM25 Overview

300MA CMOS LDO WITH EN PG

CM2843
300mA CMOS LDO W
ITH
EN & PG
GENERAL DESCRIPTION
The CM2843 family is positive, linear regulators featured low
quiescent current (30µA typ.) with low dropout voltage,
making them ideal for battery applications. The space-saving
SOT-23-5 package is attractive for “Pocket” and “Hard Held”
applications.
These rugged devices have both Thermal Shutdown, and
Current Fold-back to prevent device failure under the “Worst”
of operating conditions.
An additional feature is a “Power Good” detector, which pulls
low when the output is out of regulation.
The CM2843 is stable with an output capacitance of 2.2µF or
greater.
FEATURES
Very Low Dropout Voltage
Low Current Consumption: Typ. 30µA, Max. 35µA
High Accuracy Output Voltage: +/- 2.5%
Guaranteed 300mA Output
Input Range up to 7.0V
Thermal Shutdown
Current Limiting
Power Good Output Function
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
1M Ω
IN
PG
CM 2843
GND
OUT
EN
O UT
5V
C1
1uF
C
PG
* For programming
delay
C2
4.7uF
2004/06/01
Rev. 1.3
Champion Microelectronic Corporation
Page 1

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Description 300MA CMOS LDO WITH EN PG 300MA CMOS LDO WITH EN PG 300MA CMOS LDO WITH EN PG 300MA CMOS LDO WITH EN PG 300MA CMOS LDO WITH EN PG 300MA CMOS LDO WITH EN PG 300MA CMOS LDO WITH EN PG
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