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Product Detailed Parameters
- Description：IC REG BUCK ADJ 2A 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)：4.7V
- Voltage - Input (Max)：18V
- Voltage - Output (Min/Fixed)：0.925V
- Voltage - Output (Max)：16V
- Current - Output：2A
- Frequency - Switching：340kHz
- 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 AP6502SP-13 is a synchronous DC/DC buck converter manufactured by Diodes Incorporated. It operates with a fixed switching frequency of 340 kHz and supports an input voltage range from 4.75 V to 23 V. The device provides an adjustable output voltage between 0.925 V and 16 V, delivering a maximum continuous output current of 2 A. It integrates low RDS(ON) high-side and low-side MOSFETs within an 8-pin SOIC package with an exposed pad (8-SOIC-EP). The component functions as a positive step-down regulator suitable for various power supply applications.
Feature Summary
- Integrates low on-resistance high-side and low-side MOSFETs for efficient synchronous rectification
- Utilizes external compensation network design for flexible loop stability control
- Features constant on-time (COT) control architecture for wide input-to-output voltage ratios
Applications
- Point-of-load regulation in embedded systems
- Power supplies for industrial equipment
- Battery-powered devices requiring step-down conversion
Procurement Notes
Verify the specific suffix 'SP-13' against official Diodes Incorporated documentation to confirm package type and tape-and-reel specifications. Confirm end-of-life status or obsolescence notices prior to finalizing procurement decisions, as availability may be restricted. Ensure compatibility with existing board layouts regarding the 8-SOIC-EP footprint dimensions.
Selection Notes
Select this component when a fixed 340 kHz switching frequency is required for EMI management. Choose this part if external compensation is preferred over internal compensation for customized transient response tuning. Verify that the 2 A current rating meets the peak load requirements of the target application without exceeding thermal limits in the SOIC-EP package.
Part Context
The AP6502 series belongs to Diodes Incorporated's portfolio of synchronous buck converters designed for cost-effective and compact power solutions. This family typically targets applications needing moderate current levels with integrated power switches. The SP-13 variant specifically denotes the surface-mount packaging configuration used in standard manufacturing processes.
Replacement Considerations
The AP6503SP-13 serves as a direct functional substitute offering increased current capacity. Other compatible alternatives include the RT8284N and RT8292A from Richtek Technology Corp, which share similar electrical characteristics and pinouts.
