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Product Detailed Parameters
- Description：HIGH-CURRENT, HIGH-PERFORMANCESM
- Series：-
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR)
- Switch Type：General Purpose
- Number of Outputs：1
- Ratio - Input:Output：1:01
- Output Configuration：High/Low Side
- Output Type：N-Channel
- Interface：PWM
- Voltage - Load：3V ~ 20V
- Voltage - Supply (Vcc/Vdd)：3V ~ 20V
- Current - Output (Max)：110A
- Rds On (Typ)：-
- Input Type：Non-Inverting
- Features：Status Flag
- Fault Protection：Over Temperature, UVLO
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Supplier Device Package：39-QFN (5x6)
- Package / Case：39-PowerWFQFN Module
- Grade：-
- Qualification：-
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Overview
The AOZ5276QI-03 is a Smart Power Stage (SPS) module manufactured by Alpha & Omega Semiconductor Inc. It integrates two asymmetrical MOSFETs and an integrated driver for high-current, high-frequency DC-to-DC conversion. The device features a half-bridge output configuration and utilizes a 39-QFN (5x6 mm) surface-mount package. It supports N-channel operation with a current rating of 110A. The component is designed for synchronous buck converter applications, offering a compact solution for power management systems requiring efficient integration of switching elements and control logic.
Feature Summary
- Integrates asymmetrical MOSFETs and driver into a single Smart Power Stage module
- Supports high-frequency synchronous buck converter topologies
- Features a compact 39-QFN surface-mount package design
Applications
- Synchronous Buck Converters
- High-current DC-to-DC conversion stages
- Compact power management modules
Procurement Notes
Verify the specific suffix -03 against official Alpha & Omega Semiconductor documentation to confirm exact pinout and electrical characteristics. Ensure compatibility with existing PCB footprints for the 39-QFN package. Confirm availability status as distribution data may vary. Cross-reference datasheet revisions to ensure no functional changes have occurred in recent manufacturing batches.
Selection Notes
Select this component when a compact, high-current SPS solution is required for synchronous buck designs. The integrated driver simplifies gate drive circuitry compared to discrete MOSFET pairs. Evaluate thermal performance requirements against the 39-QFN package capabilities. Ensure input voltage and load current specifications align with the 110A rating and system efficiency targets.
Part Context
This part belongs to the AOZ5276 series of Smart Power Stages from Alpha & Omega Semiconductor. These modules are engineered to replace discrete high-side and low-side MOSFETs along with their respective drivers. The series focuses on reducing board space and improving transient response in point-of-load applications through monolithic integration of power switches and control logic.
Replacement Considerations
Check for AOZ5276QI variants or other AOS SPS modules with similar current ratings. Verify pin-to-pin compatibility if substituting within the same package family. Consult manufacturer obsolescence notices for alternative recommendations if this specific suffix is discontinued.
