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參數(shù)資料
| 型號： | AQ112CY-S4-AJ-TRL |
| 英文描述： | Ultra-Low Dropout 1A Voltage Regulator |
| 中文描述： | 超低壓差穩(wěn)壓器1A條 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 630K |
| 代理商： | AQ112CY-S4-AJ-TRL |
www.acutechnology.com
AQ112
AQ112
Ultra-Low Dropout
1A Voltage Regulator
September 13, 2006
Product Specification
Revision 1.6
Applications
Graphic cards
PC motherboards
Switching power supply post-regulation
Telecom equipment
DVD video player
Features
Ultra Low Dropout (400mV at 1A)
Enable pin implements sequencing
Vout tolerance less than
1.5%
over
temperature
Stable with low cost 1uF capacitor
Thermal protection with hysteresis
Short circuit protection
Adjustable output
The AQ112 is featured in the new
SOT223 4-lead
TetraPack
TM
package.
RoHS compliant
available
General Description
The AQ112 is an ultra-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.
It drops into the footprint of the popular LM1117
SOT-223 and provides a true 4
th
pin separated
from the output tab which allows a separate bias
connection from the pass transistor in order to
achieve
enable
and
ultra low
dropout
from V
IN
to V
OUT
.
The
enable
pin provides a remote turn-off for low
power consumption. It draws virtually zero current
in shutdown mode and implements Sequential,
Ratiometric,
or
Simultaneous
schemes.
sequencing
To assure accuracy within 1%, the heart of the
AQ112 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.
Typical Application
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