AME8826_08 Datasheet, PDF (1/17 Pages) Analog Microelectronics – 1.55A CMOS LDO

AME
AME8826
n General Description
The AME8826 family of positive, linear regulators fea-
ture low quiescent current (45µA typ.) with low dropout
voltage, making them ideal for battery applications.
Output voltages are set at the factory and trimmed to
1.5% accuracy.
These rugged devices have both Thermal Shutdown,
and Current Fold-back to prevent device failure under the
"Worst" operating conditions.
In applications requiring a low noise, regulated supply,
place a 1000pF capacitor between Bypass and Ground.
The AME8826 is stable with an output capacitance of
4.7µF or greater.
n Features
l Very Low Dropout Voltage
l Guaranteed 1.55A Output
l Accurate to within 1.5%
l 45µA Quiescent Current Typically
l Over-Temperature Shutdown
l Current Limiting
l Noise Reduction Bypass Capacitor (Fixed
Versions)
l Power-Saving Shutdown Mode
l Low Temperature Coefficient
l Adjustable Version
l All AME’ s Lead Free Products Meet RoHS
Standards
n Applications
l Instrumentation
l Portable Electronics
l Wireless Devices
l PC Peripherals
l Battery Powered Widgets
1.55A CMOS LDO
n Functional Block Diagram
(Fixed Versions)
IN
OUT
Overcurrent
Shutdown
BYPASS
Thermal
Shutdown
AMP
R1
EN
1.242V
(Adjustable Version)
IN
R2
GND
OUT
Overcurrent
Shutdown
Thermal
Shutdown
AMP
R1
(external)
EN
1.242V
ADJ
R2
(external)
GND
n Typical Application
IN
IN
OUT
AME8826
BYP GND EN
C1 C2
5V 1µF 1000pF
OUT
C3
4.7µF
Rev.D.04
1