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參數(shù)資料
| 型號(hào)： | AT1369BR |
| 廠商： | Aimtron Technology Corp. |
| 英文描述： | 2-Channel Synchronous Buck PWM Controller with Power Good Reset |
| 中文描述： | 雙通道同步降壓PWM控制器與電源良好復(fù)位 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 760K |
| 代理商： | AT1369BR |
AT1369
Preliminary Product Information
2-Channel Synchronous Buck PWM Controller
with Power Good Reset
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 (min. 90% On IO=300mA
~600mA)
Using external P and N channel MOSFET
Maximum Duty 100%
Oscillation frequency 300KHz or 600KHz
Soft Start by an external capacity
Output voltage accuracy
±
2%
Built-in ON/OFF Function
Built-in Short-circuit Protection
Stand-by current max. 10
μ
A
Quiescent Current 1.5mA
Built-in Power Good reset circuit
Input voltage: 2.5V ~7.0V
Applications
Slim-Type CD-ROM/DVD-ROM/CD-RW
Power Supply for portable devices
General Description
The AT1369 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 MOSFETs in a synchronous-rectified
buck topology. The AT1369 integrates all of the
control, output adjustment, monitoring and
protection functions 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
AT1369 is a family of low-noise synchronous step-
down DC/DC 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.
Block Diagram
Aimtron reserves the right without notice to change this circuitry and specifications.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AT1369BR-GRE | 制造商:AIMTRON 制造商全稱:AIMTRON 功能描述:2-Channel Synchronous Buck PWM Controller with Power Good Reset |
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