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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：-
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Supplier Device Package：8-SO-EP
- Grade：-
- Qualification：-
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Overview
The AP64350SP-13 is a synchronous buck switching regulator manufactured by Diodes Incorporated. It operates with an input voltage range of 3.8 V to 40 V and delivers a maximum output current of 3.5 A. The device features an adjustable output voltage starting from 0.8 V, with a maximum limit of 39 V. It incorporates programmable soft-start and switchable switching frequencies ranging from 100 kHz to 2.2 MHz. The IC maintains a low quiescent current of 22 uA and includes integrated shutdown functionality. It is housed in an SOIC-8 package.
Feature Summary
- Synchronous rectification topology for high efficiency
- Programmable soft-start capability
- Switchable switching frequency range
- Low quiescent current operation
Applications
- Industrial control systems
- Consumer electronics power supplies
- Embedded computing platforms
- Telecommunications equipment
Procurement Notes
Verify the specific suffix and tape-and-reel quantity against the manufacturer's latest datasheet before ordering. Confirm that the SOIC-8 package dimensions match the target PCB footprint. Ensure the selected switching frequency configuration aligns with external component availability and EMI requirements for the final design.
Selection Notes
Select this component when a wide input voltage range up to 40 V is required alongside moderate output current capabilities. The adjustable frequency feature allows optimization for either size or efficiency. Consider the thermal performance of the SOIC-8 package under full load conditions. Verify compatibility with the desired output voltage setting via external resistor divider networks.
Part Context
This part belongs to the AP6435 series of synchronous buck converters from Diodes Incorporated. It shares architectural similarities with the AP64352SP-13 but offers higher output current capacity. The series emphasizes compact design and broad input voltage support for versatile power management applications across various industries.
Replacement Considerations
The AP64352SP-13 serves as a related variant within the same family, offering similar functionality with different current ratings. Cross-reference pinouts and electrical specifications carefully to ensure compatibility during substitution.
