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Product Detailed Parameters
- Description：IC REG BUCK ADJ 4A 8SO
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：4.75V
- Voltage - Input (Max)：17V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：16V
- Current - Output：4A
- Frequency - Switching：500kHz
- 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：-
- Qualification：-
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Overview
The AP65502SP-13 is a synchronous buck DC/DC converter from Diodes Incorporated. It features integrated high-side and low-side MOSFETs for efficient power conversion. The device operates with an external compensation network and supports a switching frequency of 500 kHz. It provides positive adjustable output voltage regulation, capable of delivering up to 4 A of output current. The input voltage range spans from 4.5 V to 18 V, while the adjustable output voltage ranges from 0.765 V to 6 V. It is housed in an 8-SOIC package with an exposed pad (8-SO-EP) for enhanced thermal performance.
Feature Summary
- Integrated high-side and low-side MOSFETs for compact design
- External compensation network for flexible stability tuning
- Light load efficiency improvement capabilities
- Synchronous rectification for high conversion efficiency
Applications
- Point-of-load regulation for embedded systems
- Battery-powered portable devices
- Industrial control systems
- Consumer electronics power supplies
Procurement Notes
Verify the specific suffix 'SP-13' indicates the tape and reel packaging configuration as per Diodes Incorporated standards. Confirm RoHS compliance status through the official datasheet or component marking. Ensure the ordering part number matches the required package type and environmental rating for your specific application requirements.
Selection Notes
Select this component when a 4 A synchronous buck converter with external compensation is required. It is suitable for applications needing a 500 kHz switching frequency and an input voltage range up to 18 V. Consider the 8-SO-EP package for thermal management needs. Verify that the external compensation components fit within the board space constraints.
Part Context
This part belongs to the AP655xx series of synchronous buck converters from Diodes Incorporated. These ICs are designed for general-purpose power management applications requiring high efficiency and compact solutions. The series typically includes variants with different current ratings and fixed frequencies, sharing common architectural features like integrated MOSFETs and light load improvements.
Replacement Considerations
Check for direct pin-compatible alternatives within the Diodes Incorporated AP655xx family. Verify if other manufacturers offer synchronous buck converters with similar 4 A output, 18 V max input, and 500 kHz frequency specifications. Ensure replacement parts support external compensation if that design constraint remains critical.
