ADP3170JRUZ-REEL7, ADP3171, ADP3171JR-REEL Selling Leads, Datasheet
MFG:AD Package Cooled:RU D/C:2010+
ADP3170JRUZ-REEL7, ADP3171, ADP3171JR-REEL Datasheet download
Part Number: ADP3170JRUZ-REEL7
MFG: AD
Package Cooled: RU
D/C: 2010+
ADP3170JRUZ-REEL7, ADP3171, ADP3171JR-REEL
- Table of contents:
Info of ADP3170JRUZ-REEL7
Info of ADP3171
Info of ADP3171JR-REEL
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About ADP1
PDF/DataSheet Download
Datasheet: ADP1
File Size: 73864 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
About ADP3171
PDF/DataSheet Download
Datasheet: ADP3171
File Size: 317824 KB
Manufacturer: AD [Analog Devices]
Download : Click here to Download
About ADP1
PDF/DataSheet Download
Datasheet: ADP1
File Size: 73864 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
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 1.2 V at up to 15 A, depending on the power ratings of the external MOSFETs and inductor. The ADP3171 uses a current-mode, constant off time architecture to drive two N-channel MOSFETs at a programmable switching frequency that can be optimized for regulator size and efficiency. The ADP3171 provides accurate and reliable short circuit protection and adjustable current limiting. It also includes an integrated overvoltage crowbar function to protect the load in case the output voltage exceeds the nominal programmed voltage by more than 20%.
The ADP3171 contains two fixed output voltage linear regulator controllers that are designed to drive external N-channel MOSFETs. These linear regulators are used to generate the auxiliary voltages required in most motherboard designs and have been designed to provide a high bandwidth load-transient response. The ADP3171 is specified over the commercial temperature range of 0°C to 70°C and is available in a 14-lead SOIC package.
ADP3171 Maximum Ratings
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +15 V
DRVH, DRVL, LRDRV1, LRDRV2 . . . . . . 0.3 V to VCC + 0.3 V
All Other Inputs and Outputs . . . . . . . . . . . . 0.3 V to +10 V
Operating Ambient Temperature Range . . . . . . 0°C to 70°C
Operating Junction Temperature . . . . . . . . . . . . . . . . 125°C
Storage Temperature Range . . . . . . . . . . 65°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . 300°C
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . 215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220°C
DRVH, DRVL, LRDRV1, LRDRV2 . . . . . . 0.3 V to VCC + 0.3 V
All Other Inputs and Outputs . . . . . . . . . . . . 0.3 V to +10 V
Operating Ambient Temperature Range . . . . . . 0°C to 70°C
Operating Junction Temperature . . . . . . . . . . . . . . . . 125°C
Storage Temperature Range . . . . . . . . . . 65°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . 300°C
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . 215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220°C
ADP3171 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
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
ADP3171 Typical Application
Auxiliary System Supplies for Desktop
Computer Systems
General-Purpose Low Voltage Supplies
Computer Systems
General-Purpose Low Voltage Supplies
ADP3171 Connection Diagram
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