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PDF ACE522 Data sheet ( Hoja de datos )
| Número de pieza | ACE522 | |
| Descripción | 36V Input Linear Regulator | |
| Fabricantes | ACE Technology | |
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Hay una vista previa y un enlace de descarga de ACE522 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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ACE522
36V Input Linear Regulator
Description
ACE522 is a three-terminal positive regulator with an output voltage of 5.0V and output current up to
150mA. The device features a typical output tolerance of ±3%. And its input voltage can stand a voltage
as high as 36V. ACE522 includes high accuracy voltage reference, error amplifier, TSD circuit and
output driver module.ACE522 offers thermal shut down functions to assure the stability of chip and power
system. ACE522 is available in SOT89-3, TO-92 and TO-220 power packages.
Features
Maximum output current up to 150mA
Output voltage tolerances of ±3% over the temperature range
Internal thermal over-temperature protection
High input voltage (up to 36V)
Low Power Consumption:100uA (Typ.)
No external components
Application
Battery Powered equipment
Communication equipment
Audio/Video equipment
Typical Application
Note:Input capacitor (C1=0.33uF) and Output capacitor (C2=0.1uF) are recommended in all application circuit. Tantalum
capacitor is recommended.
VER 1.1 1
1 page  
ACE522
36V Input Linear Regulator
Explanation
ACE522 is a series of low dropout voltage and low power consumption regulator. Its application circuit is
very simple, which only needs two outside capacitors.
We have to take heat dissipation into great consideration when voltage of input is high. Because in such
cases, the power dissipation consumed by ACE522 is very large. ACE522 uses SOT-89-3 package type
and its thermal resistance is about 20°C/W. And the copper area of application board can affect the total
thermal resistance. If copper area is 5cm*5cm (two sides), the resistance is about 30°C/W. So the total
thermal resistance is about 20°C/W + 30°C/W. We can decrease total thermal resistance by increasing
copper area in application board. When there is no good heat dissipation copper are in PCB, the total
thermal resistance will be as high as 120°C/W, then the power dissipation of ACE522 could allow on itself
is less than 1W. And furthermore, ACE522 will work at junction temperature higher than 125°C under
such condition and no lifetime is guaranteed.
Typical Performance Characteristics
VER 1.1 5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet ACE522.PDF ] | |
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