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參數(shù)資料
| 型號(hào)： | AT1392 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 1-Channel Synchronous Buck PWM Controller |
| 中文描述： | 1通道同步降壓PWM控制器 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 254K |
| 代理商： | AT1392 |
AT1392
Preliminary Product Information
1- Channel Synchronous Buck PWM Controller
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878 WWW:
http://www.aimtron.com.tw
Fax: 886-3-563-0879 Email:
service@aimtron.com.tw
1
Features
High efficiency
Using external P and N channel MOSFET
Maximum Duty 100%
Oscillation frequency 600KHz
Soft Start by an external capacity
Output voltage accuracy
±
2%
Built-in ON/OFF Function
Stand-by current max. 10
μ
A
Quiescent Current 1mA
Input voltage: 2.5V ~7.0V
Applications
Power Supply for portable devices
General Description
The AT1392 provides complete control and
protection for a DC/DC converter optimized for
high-performance microprocessor applications. It
is designed to drive one P-Channel and one N-
Channel in a buck topology. The AT1392
integrates all of the control, output adjustment into
a single package. The output voltage of the
converter can be precisely regulated with a
maximum tolerance of
±
2% over temperature and
line voltage variations. The AT1392 is a family of
low-noise
synchronous
converters that is ideally suited for systems
powered from a 1-cell Li-ion battery or from a 3-
cell to 4-cell NiCd, NiMH, or alkaline battery. It
can also be used to USB-Based power system.
step-down
DC/DC
Block Diagram
Aimtron reserves the right without notice to change this circuitry and specifications.
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