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AQ111CY-M7-AJ-TR

Description
low dropout 1 amp voltage regulator
File Size585KB,9 Pages
ManufacturerAcutechnology
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AQ111CY-M7-AJ-TR Overview

low dropout 1 amp voltage regulator

AQ111
Low Dropout
1 Amp Voltage Regulator
Product Specification
Revision 1.5
September 13, 2006
General Description
The AQ111 is a low dropout three terminal
voltage regulator, offered in popular fixed options
or an adjustable version that can set a precise
voltage from 1.22V to 12V with two external
resistors.
AQ111 is the only 1 Amp LDO regulator offered
in the tiny PSOT-23 package. PSOT-23 is
modified for lower thermal resistance and fits in
the standard SOT-23 foot print. With a dropout
voltage of less than one volt, the AQ111 can be
used in applications where drop out voltage and
size are an issue.
To assure accuracy within 1.5% over
temperature the heart of the AQ111 is a self-
correcting AcuRef™ bandgap reference.
On-chip current limit and thermal shutdown with
hysteresis protects against any combination of
overload and ambient temperature that might
cause the junction temperature to exceed safe
limits.
Applications
Graphic cards
PC motherboards
Switching power supply post-regulation
Telecom equipment
DVD video player
Features
Available in the tiny
PSOT-23
package
Vout tolerance 1.5% over temperature
Stable with low cost 1uF capacitor
Low ground current <1.5 mA
Low dropout voltage (950 mV at 1 Amp)
Thermal protection with hysteresis
Short circuit protection
Offered with 1.8V, 2.5V, and 3.3V fixed or
adjustable output
RoHS complaint
available
Typical Application
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AQ111
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