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CM2855GIM26

Description
300MA CMOS LDO WITH EN & PG
File Size271KB,10 Pages
ManufacturerETC
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CM2855GIM26 Overview

300MA CMOS LDO WITH EN & PG

CM2855
300mA CMOS LDO W
ITH
EN & PG
GENERAL DESCRIPTION
The CM2855 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-23-6 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 CM2855 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 of 2.6V to 7.0V
Thermal Shutdown
Current Limiting
Power Good Output Function
Compact Package: SOT-23-6
Adjustable 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
EN
PG
OUT
C M 2855
GND
ADJ
OUT
R1
5V
C1
1uF
R2
C3
2.2uF
Note:
1. Suggest to add a small Cap 100pF between OUT and connection of R1and R2 to get less VOUT ripple
Vout = Vref * (1 + R1/R2); Vref = 1.176V
2. Enable pin can not be floating.
2004/6/01
Rev. 1.2
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
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