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AT1391

Part Number	AT1391
Manufacturer	Aimtron Technology
Description	1-Channel Step-Down PWM Controller
Published	Nov 30, 2006
Detailed Description	www.DataSheet4U.com AT1391 Preliminary Product Information 1-Channel Step-Down PWM Controller Features • High efficienc...
Datasheet	AT1391 PDF File

Overview

www.
DataSheet4U.
com AT1391 Preliminary Product Information 1-Channel Step-Down PWM Controller Features • High efficiency • Using external P channel MOSFET • Maximum Duty 100% • Oscillation frequency 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.
10µA • Quiescent Current 1mA • Input voltage: 2.
5V ~7.
0V General Description The AT1391 provides complete control and protection for a DC/DC converter optimized for high-performance microprocessor applications.
It is designed to drive one P-Channel in a buck topology.
The AT1391 integrates all of the control, output adjustment, and prot...

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