AOZ1905DI

Description：IC REG BOOST ADJ 2A 10DFN
Series：EZBoost
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR)

SKU:a80e597f0b2a Category: Voltage Regulators - DC DC Switching Regulators Brand: Alpha & Omega Semiconductor Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BOOST ADJ 2A 10DFN
Series：EZBoost
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR)
Function：Step-Up
Output Configuration：Positive
Topology：Boost
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：2.7V
Voltage - Input (Max)：5.5V
Voltage - Output (Min/Fixed)：2.7V
Voltage - Output (Max)：24V
Current - Output：2A (Switch)
Frequency - Switching：600kHz, 1.2MHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：10-WFDFN Exposed Pad
Supplier Device Package：10-DFN (3x3)
Grade：-
Qualification：-

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AOZ1905DI

Overview

The AOZ1905DI is a general-purpose boost switching regulator IC from the EZBoost series, manufactured by Alpha & Omega Semiconductor Inc. It provides a positive adjustable output voltage ranging from 2.7V to 24V with a maximum switch current of 2A. The device operates with an input voltage range of 2.7V to 5.5V and features a fixed switching frequency of 600kHz or 1.2MHz. Packaged in a compact 10-DFN configuration, it integrates internal power switches for efficient DC-DC conversion.

Feature Summary

Integrates high-efficiency internal power switches for compact design
Supports adjustable output voltage up to 24V
Features fixed switching frequencies for optimized external component selection
Includes protection mechanisms against over-current and thermal stress

Applications

Battery-powered portable devices requiring step-up voltage conversion
General-purpose boost regulators in consumer electronics
Input voltage regulation for systems operating between 2.7V and 5.5V
Applications requiring compact solution size due to small package footprint

Procurement Notes

Verify the specific suffix and tape/reel specifications when ordering, as packaging variants may exist. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Check for obsolescence notices or product change notifications (PCN) to ensure long-term availability. Ensure the selected variant matches the required switching frequency option if multiple versions are available.

Selection Notes

Select this component for applications requiring a simple, low-component-count boost converter with adjustable output. Consider the 2A current limit and input voltage range when designing the power stage. Evaluate thermal performance based on the expected load current and ambient conditions within the 10-DFN package. Verify compatibility with the target switching frequency setting for filter component sizing.

Part Context

The AOZ1905DI belongs to the EZBoost family of regulators designed for cost-sensitive and space-constrained applications. It complements other PMIC offerings from Alpha & Omega Semiconductor by providing a standalone boost solution. The device is part of a broader portfolio aimed at mobile and industrial markets requiring reliable DC-DC conversion.