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PDF ACE345 Data sheet ( Hoja de datos )
| Número de pieza | ACE345 | |
| Descripción | Adjustable USB Load Current Switch | |
| Fabricantes | ACE Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ACE345 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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ACE345
Adjustable USB Load Current Switch
Description
The ACE345 is Adjustable USB Load Current Switch Current Limited designed for high-side load
switching applications. The internal current-limiting circuit protects the input supply against large output
short circuit current which may cause the supply to fall out of regulation.
The current limit threshold is programmed with an external resistor from ISET Pin to ground. The
quiescent supply current is typically 150μA, making the device ideal for portable battery-operated
equipment. In shutdown mode, the supply current decreases to less than 0.1μA.
Additional features include thermal shutdown and constant current output characteristics if current
exceed its current limit
Features
2.5 to 5.5V input voltage range
Controlled turn-on
0.15-1.5A adjustable current limit
+/-6% current limit accuracy
0.1ohm on resistance
Fast current limit response time
Logic Control Shutdown (IQ<1uA)
Thermal shutdown and UVLO
Reverse current blocking
Application
Portable Devices
MID, MP4…
Set top boxes
Notebook and PC mother board
USB supplied Devices
Absolute Maximum Ratings
Parameter
Max Unit
Max Input Voltage
6V
Max Operating Junction Temperature(TJ) 125 ℃
Ambient Temperature(TA)
-40~85 ℃
Maximum Power Dissipation
250 mW
Storage Temperature(TS)
-40~150 ℃
ESD (HBM)
>4000 V
Note: Exceed these limits to damage to the device. Exposure to absolute maximum rating conditions may affect device reliability.
VER 1.2 1
1 page  
Electrical Performance
Tested under TA=25℃, unless otherwise noted
ACE345
Adjustable USB Load Current Switch
VER 1.2 5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet ACE345.PDF ] | |
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