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AOZ1041

Alpha & Omega Semiconductors
Part Number AOZ1041
Manufacturer Alpha & Omega Semiconductors
Description 1.5A Simple Buck Regulator
Published Dec 25, 2015
Detailed Description General Description The AOZ1041 is a high efficiency, simple to use, 1.5A buck regulator. The AOZ1041 works from a 4.5V ...
Datasheet PDF File AOZ1041 PDF File

AOZ1041
AOZ1041

Overview
General Description The AOZ1041 is a high efficiency, simple to use, 1.
5A buck regulator.
The AOZ1041 works from a 4.
5V to 16V input voltage range, and provides up to 1.
5A of continuous output current with an output voltage adjustable down to 0.
8V.
The AOZ1041 comes in an SO-8 package and is rated over a -40°C to +85°C ambient temperature range.
AOZ1041 EZBuck™ 1.
5A Simple Buck Regulator ADVANCED DATASHEET (Specifications subject to change) Features ƒ 4.
5V to 16V operating input voltage range ƒ 130 mΩ internal PFET switch for high efficiency: up to 95% ƒ Internal Schottky Diode ƒ Internal soft start ƒ Output voltage adjustable to 0.
8V ƒ 1.
5A continuous output current ƒ Fixed 500kHz PWM operation ƒ Cycle-by-cycle current limit ƒ Short-circuit protection ƒ Thermal shutdown ƒ Small size SO-8 package Applications ƒ Point of load dc/dc conversion ƒ PCIe graphics cards ƒ Set top boxes ƒ DVD drives and HDD ƒ LCD panels ƒ Cable modems ƒ Telecom/Networking/Datacom equipment Typical Application Figure 1.
3.
3V/1.
5A Buck Down Regulator AOZ1041 Datasheet Rev 0.
4 CONFIDENTIAL Not to be distributed or copied without the written permission of Alpha & Omega Semiconductor 1 Alpha & Omega Semiconductor Ordering Information Part Number AOZ1041AI Ambient Temperature Range -40°C to +85°C Package SO-8 Environmental RoHS Compliant Pin Configuration PGND VIN AGND FB 18 2 SO-8 7 36 45 LX LX EN COMP AOZ1041 Pin Number 1 2 3 4 5 6 7,8 Pin Name PGND VIN AGND FB COMP EN LX Pin Function Power ground.
Electrically needs to be connected to AGND.
Supply voltage input.
When VIN rises above the UVLO threshold the device starts up.
Reference connection for controller section.
Also used as thermal connection for controller section.
Electrically needs to be connected to PGND The FB pin is used to determine the output voltage via a resistor divider between the output and GND.
External loop compensation pin.
The enable pin is active high.
Connect EN pin to VIN if not used.
Do not leave t...


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