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參數(shù)資料
| 型號： | BH05 |
| 廠商： | Aimtron Technology Corp. |
| 英文描述： | High-Side Power Switch IC |
| 中文描述： | 高側(cè)功率開關(guān)IC |
| 文件頁數(shù)： | 1/10頁 |
| 文件大小： | 331K |
| 代理商： | BH05 |
AT1605
High-Side Power Switch IC
General Description
7F, No.9, PARK AVENUE II, Science-Based Industrial Park, Hsinchu 300, Taiwan, R.O.C.
Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW:
http://www.aimtron.com.tw
4/26/2006 REV:1.1 Email:
service@aimtron.com.tw
1
Features
Operating Voltage:1.8V to 5.5V
Built-in N-MOS, 100m
(typ) R
DS,ON
Quiescent Current: 60μA(typ)
Shutdown Current <1μA
Built-in Current Limit
Built-in Soft-Start.
Built-in Under Voltage Lock Function
Built-in Thermal Protection
TTL Control Input
SOT-23-5 Package
Applications
USB Power Measurement
Notebook computers
Battery-Charger Circuits
Hot Plug-in Power Supplies
The AT1605 is a smart high-side power switch to
be able to supply up 2.0A from input source. The
device features preventable reverse current flow
from OUT to Input by free of parasitic body diode,
when output voltage exceeds the input voltage, the
N-MOS is turned off. The AT1605 includes
built-in low on-resistance of NMOS to saved
conductive loss, charge pump circuitry to drive
N-MOS, built-in current limit, soft-start, thermal
protection and under voltage lock function.
Operating voltage range between 1.8V and 5.5V
supports one Li-lon or adaptor source.
The device is ideal for notebook computer,
self-powered and bus powered USB application.
The low quiescent current is conducive to saved
power consumption. The AT1605 is available in
5-pin SOT-23-5 packages.
Block Diagram
VIN
Clock
Control
Logic
EN
N- MOS
+
-
BandGap
Reference
UVLO
Current
Limit
VOUT
GND
Thermal
Protection
Charge pump
Aimtron reserves the right without notice to change this circuitry and specifications.
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