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ADP3171

Part Number	ADP3171
Manufacturer	Analog Devices
Description	Synchronous Buck Controller
Published	Mar 23, 2005
Detailed Description	a Synchronous Buck Controller with Dual Linear Regulator Controllers ADP3171 FUNCTIONAL BLOCK DIAGRAM VCC CT 8 FEATURE...
Datasheet	ADP3171 PDF File

Overview

a Synchronous Buck Controller with Dual Linear Regulator Controllers ADP3171 FUNCTIONAL BLOCK DIAGRAM VCC CT 8 FEATURES Fixed 1.
2 V N-Channel Synchronous Buck Driver Two On-Board Linear Regulator Controllers Total Accuracy ± 1% over Temperature High Efficiency Current-Mode Operation Short Circuit Protection Power Good Output Overvoltage Protection Crowbar Protects Switching Output with No Additional External Components APPLICATIONS Auxiliary System Supplies for Desktop Computer Systems General-Purpose Low Voltage Supplies UVLO AND BIAS OSCILLATOR SET RESET PWM LOGIC DRVH DRVL CROWBAR REFERENCE GND 1 REF DAC +20% 1.
5V LRFB1 3 LRDRV1 4 DAC –20% 1.
8V LRFB2 LRDRV2 COMP gm 1.
2V CS– CMP 7 CS+ 5 PWRGD FB ADP3171 GENERAL DESCRIPTION The ADP3171 is a highly efficient output synchronous buck switching regulator controller optimized for converting a 5 V main supply into the auxiliary supply voltages required by processors and chipsets.
The ADP3171 provides a fixed output voltage of 1...

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