AME8807 Datasheet, PDF (1/11 Pages) Analog Microelectronics – 600mA CMOS LDO

Analog Microelectronics, Inc.
AME8807
600mA CMOS LDO
n General Description
The AME8807 family of positive, linear regulators fea-
ture low quiescent current (30µA typ.) with low dropout
voltage, making them ideal for battery applications. The
space-saving SO-8 package is attractive for "Pocket”
and "Hand Held" applications.
These rugged devices have both Thermal Shutdown,
and Current Fold-back to prevent device failure under
the "Worst" of operating conditions.
The AME8807 is stable with an output capacitance of
2.2µF or greater.
n Features
l Very Low Dropout Voltage
l Guaranteed 600mA Output
l Accurate to within 1.5%
l 30µA Quiescent Current
l Over-Temperature Shutdown
l Current Limiting
l Short Circuit Current Fold-back
l Power-Saving Shutdown Mode
l Space-Saving SO-8 Package
l User Adjustable Output Voltages
l Low Temperature Coefficient
n Functional Block Diagram
IN
OUT
Overcurrent
Shutdown
Thermal
Shutdown
EN
V_ref x110%
PG
AMP
ADJ
n Applications
l Instrumentation
l Portable Electronics
l Wireless Devices
l Cordless Phones
l PC Peripherals
l Battery Powered Widgets
l Electronic Scales
n Typical Application
IN
5V
EN
OUT
IN _AME8807
C1
PG _GND ADJ
1 µF
OUT
C2
R1 _{100p C3}
2 . 2 µF
R2
V_ref x90%
V _ref= 1 . 2 1 5 V
GND
V_OUT = 1.215 ( R1/R2 +1 )
C2 is unnecessary if R1 or R2 < 20kohms
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