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Product Detailed Parameters
- Description：IC REG BUCK ADJ 3.5A 8SO
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：3.8V
- Voltage - Input (Max)：40V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：40V
- Current - Output：3.5A
- Frequency - Switching：100kHz ~ 2.2MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Supplier Device Package：8-SO-EP
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The AP64352QSP-13 is a synchronous buck converter from Diodes Incorporated, designed for high-voltage applications. It operates with an input voltage range of 3.8 V to 40 V and delivers up to 3.5 A output current. The adjustable output voltage spans from 0.8 V to 40 V. Key electrical parameters include a quiescent current of 22 uA and a programmable switching frequency between 100 kHz and 2.2 MHz. The device supports automotive qualification under AEC-Q100 standards and functions within a temperature range of -40°C to 125°C.
Feature Summary
- Automotive-grade reliability compliant with AEC-Q100 standards
- Synchronous rectification topology for enhanced efficiency
- Programmable switching frequency for design flexibility
- Integrated protection mechanisms including overcurrent and thermal shutdown
Applications
- Automotive infotainment systems
- Telematics control units
- Body electronics modules
- Industrial power distribution networks
Procurement Notes
Verify the specific suffix 'QSP' confirms automotive grade qualification and SO-8EP package configuration against official datasheets. Confirm RoHS3 compliance status prior to integration. Ensure ordering quantities align with standard reel packaging requirements specified by the manufacturer. Validate component authenticity through authorized supply channels to prevent counterfeits in critical automotive circuits.
Selection Notes
Select this component when designing systems requiring wide input voltage tolerance up to 40 V. The adjustable output allows precise voltage regulation for various digital loads. Consider the SO-8EP package for thermal management needs. Evaluate the programmable frequency range to optimize external component size and EMI performance relative to system constraints.
Part Context
This part belongs to the AP6435x series of high-voltage synchronous buck converters. It shares architectural similarities with other members like the AP64351QSP-13 but offers specific parameter variations tailored for broader input ranges. The series emphasizes compact design and robust performance for demanding automotive environments.
Replacement Considerations
AP64351QSP-13 serves as a related alternative within the same family, offering similar functionality with potentially different fixed or adjustable output configurations. Verify pin compatibility and thermal characteristics before substitution.
