AOZ1081 1.8A High Efficiency Constant Current Regulator

Alpha & Omega Semiconductors

Description

AOZ1081 EZBuck™ 1.8A High Efficiency Constant Current Regulator for LEDs General .
The AOZ1081 is a high efficiency, simple to use, 1.

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Datasheet Specifications

Part number: AOZ1081
Manufacturer: Alpha & Omega Semiconductors
File Size: 896.56 KB
Datasheet: AOZ1081-AlphaOmegaSemiconductors.pdf
Description: 1.8A High Efficiency Constant Current Regulator

Features

* 4.5V to 16V operating input voltage range
* 100 mΩ internal PFET switch for high efficiency: up to 95%
* Internal Schottky Diode
* Internal soft start
* 0.25V internal reference with ±5% accuracy over temperature
* 1.8A continuous output current
* Fixed 1MHz PWM operati

Applications

* Buck regulator for white LEDs
* Landscape lighting
* Flashlights
* Battery powered backlight applications Typical Application VIN C1 22µF R1 C2 VIN EN AOZ1081 COMP LX FB AGND PGND 4.7µH HB LED RFB VOUT C3 22µF Rev. 1.1 April 2009 Figure 1. www. aosmd. com Page 1 of 16 AO

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AOZ1081 1.8A High Efficiency Constant Current Regulator Alpha & Omega Semiconductors

Alpha & Omega Semiconductors AOZ1081-like datasheet