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Alpha & Omega Semiconductors

AOZ1041 Datasheet Preview

AOZ1041 Datasheet

1.5A Simple Buck Regulator

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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 minternal 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 Semiconductors

AOZ1041 Datasheet Preview

AOZ1041 Datasheet

1.5A Simple Buck Regulator

No Preview Available !

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 the EN
pin floating.
PWM output connection to inductor. Thermal connection for output stage.
AOZ1041 Datasheet Rev 0.4
CONFIDENTIAL
Not to be distributed or copied without the written permission of Alpha & Omega Semiconductor
2


Part Number AOZ1041
Description 1.5A Simple Buck Regulator
Maker Alpha & Omega Semiconductors
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AOZ1041 Datasheet PDF






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