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AME8838AEEU250Z

Description
High PSRR, 150mA CMOS LDO
File Size269KB,19 Pages
ManufacturerAnalogMicroElectronics,Inc.(AME)
AMT was founded in Taiwan in November 2000 and merged into AMT Microelectronics, Inc., a US company located in Silicon Valley, California, USA. Its stock was officially listed for public trading in March 2004.
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AME8838AEEU250Z Overview

High PSRR, 150mA CMOS LDO

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AME, Inc.
AME8838
n
General Description
The AME8838 family of positive, linear regulators fea-
ture low quiescent current (30µA typ.) low dropout volt-
age and excellent PSRR, thus making them ideal for Tele-
communications and other battery applications. The ul-
tra-small SC-70-5, SC-70-4 & SOT-23 packages are at-
tractive for "Pocket" and "Hand Held" applications.
These rugged devices have both Thermal Shutdown and
Current limit to prevent device failure under the "Worst"
operating conditions.
The AME8838 is stable with an output capacitance of
1µF or larger.
High PSRR, 150mA CMOS LDO
n
Functional Block Diagram
IN
Overcurrent
Shutdown
OUT
Thermal
Shutdown
EN
R1
-
+
AMP
n
Features
R2
l
Very Low Dropout Voltage
l
Guaranteed 150mA Output
l
30µA Quiescent Current
l
Over-Temperature Shutdown
l
Current Limiting
l
Excellent PSRR (Typ. 65dB)
l
Power-Saving Shutdown Mode
l
Ultra-small SC-70-5, SC-70-4 & SOT-23
Packages
l
Factory Pre-set Output Voltages
l
Low Temperature Coefficient
l
Input Voltage Range (2V - 6V)
l
All AME's lead free Products Meet RoHS
Standard.
C1
1µF
Vref
GND
n
Typical Application
IN
IN
EN
IN
OUT
AME8838
OUT
GND
C2
1µF
n
Applications
l
Cellular Phones
l
Instrumentation
l
Portable Electronics
l
Wireless Devices
l
Cordless Phones
l
PC Peripherals
l
Battery Powered Widgets
l
Cameras
l
Telecommunications
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