CM2855IM26 Champion Microelectronic Corp., CM2855IM26 Datasheet

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CM2855IM26

Manufacturer Part Number
CM2855IM26
Description
300 mA CMOS LDO with EN & PG
Manufacturer
Champion Microelectronic Corp.
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
CM2855IM26TR
Manufacturer:
CHAMPION
Quantity:
20 000
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.
APPLICATIONS
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TYPICAL APPLICATIONS
Note: 1. Suggest to add a small Cap 100pF between OUT and connection of R1and R2 to get less VOUT ripple
2003/12/05
IN
Battery-powered devices
Personal communication devices
Home electric/electronic appliances
PC peripherals
Vout = Vref * (1 + R1/R2); Vref = 1.176V
2. Enable pin can not be floating.
5V
Rev. 1.1
1 u F
C 1
Champion Microelectronic Corporation
IN
EN
PG
300mA CMOS LDO W
CM 2855
GND
FEATURES
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24 Hours Technical Support--WebSIM
Champion provides customers an online circuit simulation tool
called WebSIM. You could simply logon our website at
www.champion-micro.com for details.
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
OUT
ADJ
R1
R2
ITH
EN & PG
CM2855
Page 1
2 .2 u F
O U T
C 3

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CM2855IM26 Summary of contents

Page 1

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 ...

Page 2

PIN CONFIGURATION BLOCK DIAGRAM IN 1uA EN PG Vref x 85% 2003/12/05 Rev. 1.1 300mA CMOS LDO W SOT-23-6 Top View Overcurrent Shutdown Thermal Shutdown - Vref = 1.176V ...

Page 3

... ORDERING INFORMATION Part Number CM2855IM26 ABSOLUTE MAXIMUM RATINGS Input Voltage …………….……………………………. +7V Output Current …………………….…… Output Voltage …………………… GND-0. ESD Classification … ...

Page 4

ELECTRICAL CHARACTERISTICS T = +25℃ unless otherwise noted IN(MIN) Parameter Input Voltage Output Voltage Accuracy Dropout Voltage V Output Current Current Limit Short Circuit Current Quiescent Current Ground Pin Current Bandgap Reference Line Regulation Load ...

Page 5

DETAILED DESCRIPTION The CM2855 family of CMOS regulators contain a PMOS pass transistor, voltage reference, error amplifier, over-current protection, output short circuit protection, thermal shutdown, and power good function. The P-channel pass transistor receives data from the error amplifier, over-current ...

Page 6

TYPICAL ELECTRICAL CHARACTERISTICS 2003/12/05 Rev. 1.1 300mA CMOS LDO W Champion Microelectronic Corporation CM2855 EN & PG ITH Page 6 ...

Page 7

Rev. 1.1 300mA CMOS LDO W Champion Microelectronic Corporation CM2855 EN & PG ITH Page 7 ...

Page 8

Rev. 1.1 300mA CMOS LDO W Champion Microelectronic Corporation CM2855 EN & PG ITH Page 8 ...

Page 9

PACKAGE DIMENSION 2003/12/05 Rev. 1.1 300mA CMOS LDO W SOT-23-6 (M26) b1 With Plating b Base Metal Section B See Section B-B Champion Microelectronic Corporation CM2855 EN & ...

Page 10

Champion Microelectronic Corporation (CMC) reserves the right to make changes to its products or to discontinue any integrated circuit product or service without notice, and advises its customers to obtain the latest version of relevant information to verify, before placing ...

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