AME8818 Datasheet, PDF (1/14 Pages) AMETHERM Circuit Protection Thermistors – Low Dropout 300mA CMOS Regulator

AME
AME8818
Low Dropout
300mA CMOS Regulator
n General Description
n Functional Block Diagram
The AME8818 is a CMOS linear regulator. It operated from
2.5V to 5.5V input voltage and delivers up to 300mA output
current. The AME8818 provide low quiescent current (70uA
typ) low dropout voltage (230mV @ 300mA typ), and excel-
lent PSRR, thus marking them ideal for Data-Communica-
tions and battery applications.
The AME8818 provide over temperature and over current
protected functions. It is stable with an output capacitance of
1uF or larger.
IN
Overcurrent
Shutdown
Thermal
Shutdown
EN
BYP/NC
Bandgap
Reference
OUT
A
R1
R2 _GND
n Features
l Input voltage range is from 2.5V to 5.5V
l Output voltage range is from 1.2V to 4.5V
n Typical Application
l Low Dropout: 230mV @ 300mA
l Guaranteed 300mA Drive Current
l Factory Pre-set output voltage
l Only 1uF Output Capacitor Required for
Stability
l Provided OTP, current limit
l All AME’ s Green Products Meet RoHS
Standards
VIN
C_IN
1µF
IN
OUT
EN AME8818
NC
GND
Figure 1
VOUT
COUT
1µF
n Applications
l Data-Communication
l Laptop, Palmtops, Notebook computers
l Battery Power Equipment
l Handheld Device
l PCMCIA Cards
V IN
C_IN
1µF
EN
ON
OFF
IN
OUT
EN AME8818
BYP
GND
C2
1nF
Figure 2
VOUT
COUT
1µF
Rev.A.01
1