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參數資料
| 型號： | AQ1541 |
| 英文描述： | Low Dropout 1 Amp Voltage Regulator with Enable Function |
| 中文描述： | 低壓差穩(wěn)壓器1安培的啟用函數 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 676K |
| 代理商： | AQ1541 |
www.acutechnology.com
AQ1541
AQ1541
Low Dropout
1 Amp Voltage Regulator
with Enable Function
September 13, 2006
Product Specification
Revision 2.2
Applications
Graphic cards
PC motherboards
Switching power supply post-regulation
Telecom equipment
DVD video player
Features
Enable pin
implements sequencing
in
SOT223-3 footprint
Vout tolerance 1.5% over temperature
Eliminates expensive components
Stable with low cost 1uF capacitor
Low dropout voltage (1V at 1 Amp)
Thermal protection with hysteresis
Short circuit protection
Offered with 1.8V, 2.5V, and 3.3V fixed or
adjustable output
RoHS compliant
available
General Description
The AQ1541 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.
It drops into the footprint of the popular LM1117
SOT-223 and provides a true fourth pin
separated from the output tab. The extra pin
allows for an
enable
function
that provides a
remote turn-off for low power consumption. It
draws virtually zero current in shutdown mode.
The Enable pin implements Sequential, Ratio-
metric, or Simultaneous sequencing schemes.
To
temperature the heart of the AQ1541 is a self-
correcting AcuRef
bandgap reference.
assure
accuracy
within
1.5%
over
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.
The AQ1541 is featured in the new
SOT223 4-lead
TetraPack
TM
package.
Typical Application
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相關代理商/技術參數 |
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| AQ1541CY-S4-18-TR | 制造商:ACUTECH 制造商全稱:ACUTECH 功能描述:Low Dropout 1 Amp Voltage Regulator with Enable Function |
| AQ1541CY-S4-18-TRL | 制造商:ACUTECH 制造商全稱:ACUTECH 功能描述:Low Dropout 1 Amp Voltage Regulator with Enable Function |
| AQ1541CY-S4-25-TR | 制造商:ACUTECH 制造商全稱:ACUTECH 功能描述:Low Dropout 1 Amp Voltage Regulator with Enable Function |
| AQ1541CY-S4-25-TRL | 制造商:ACUTECH 制造商全稱:ACUTECH 功能描述:Low Dropout 1 Amp Voltage Regulator with Enable Function |
| AQ1541CY-S4-33-TR | 制造商:ACUTECH 制造商全稱:ACUTECH 功能描述:Low Dropout 1 Amp Voltage Regulator with Enable Function |
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