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ADP3171 - Synchronous Buck Controller

Datasheet Summary

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.

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.

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Datasheet preview – ADP3171

Datasheet Details

Part number ADP3171
Manufacturer Analog Devices
File Size 310.38 KB
Description Synchronous Buck Controller
Datasheet download datasheet ADP3171 Datasheet
Additional preview pages of the ADP3171 datasheet.

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Full PDF Text Transcription

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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.
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