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Product Detailed Parameters
- Description：IC REG BUCK ADJ 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：5A
- Frequency - Switching：500kHz, 100kHz ~ 2.2MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°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 AP64502SP-13 is a synchronous buck converter IC from Diodes Incorporated, designed for high-efficiency DC-DC conversion. It supports an input voltage range of 3.8V to 40V and delivers up to 5A output current. The device features adjustable output voltage starting from 0.8V, with a fixed switching frequency of 570kHz. It operates within a temperature range of -40°C to +85°C and includes internal compensation to minimize external component count. The IC is housed in an SO-8EP package.
Feature Summary
- Synchronous rectification architecture for enhanced efficiency
- Internal compensation network reduces external component requirements
- Wide input voltage capability suitable for various power rails
- Integrated protection mechanisms including overcurrent and thermal shutdown
Applications
- Point-of-load regulation in industrial equipment
- Power supply stages for embedded computing systems
- Battery-powered devices requiring efficient step-down conversion
- Telecommunications infrastructure power management
Procurement Notes
Verify the specific suffix 'SP-13' against the manufacturer's latest datasheet to confirm pinout and electrical specifications match your design requirements. Ensure compatibility with the SO-8EP package footprint during PCB layout. Confirm RoHS compliance status if required by your assembly standards. Cross-reference ordering information with authorized distributors to avoid counterfeit components.
Selection Notes
Select this component when a 5A synchronous buck solution is needed with a wide input voltage range up to 40V. The internal compensation feature simplifies design complexity compared to externally compensated alternatives. Consider the 570kHz switching frequency for balancing efficiency and passive component size. Evaluate thermal performance in the SO-8EP package based on expected load conditions and ambient temperature.
Part Context
This part belongs to the AP6450x series of high-voltage synchronous buck converters from Diodes Incorporated. The series offers various current ratings and packages tailored for different power density requirements. The AP64502SP-13 specifically targets applications needing robust performance with minimal external components. It shares architectural similarities with other members like the AP64501SP-13 but may differ in specific electrical parameters or packaging options.
Replacement Considerations
Check for direct replacements such as the AP64501SP-13, ensuring pin compatibility and electrical parameter alignment. Verify that any substitute maintains the same SO-8EP package dimensions and thermal characteristics. Confirm that the alternative device supports the required 5A output current and 40V input voltage range without compromising system reliability.
