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Product Detailed Parameters
- Description：IC REG BUCK ADJ 3.5A 13DFN
- 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)：32V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：31V
- Current - Output：3.5A
- Frequency - Switching：450kHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：13-PowerVFDFN
- Supplier Device Package：V-DFN3020-13 (Type A)
- Grade：-
- Qualification：-
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Overview
The AP63356DV-7 is a synchronous step-down DC-DC converter manufactured by Diodes Incorporated. It operates with an input voltage range of 3.8 V to 32 V and delivers up to 3.5 A of output current. The device features a fixed switching frequency of 450 kHz and supports adjustable output voltages from 800 mV to 31 V. Key electrical parameters include a maximum quiescent current of 22 uA and an operating temperature range from -40 °C to +85 °C. It utilizes a V-DFN3020-13 package for surface mount installation.
Feature Summary
- Integrates high-side and low-side power MOSFETs for efficient synchronous buck conversion
- Utilizes constant on-time control architecture for stable operation across wide input-to-output voltage differentials
- Incorporates comprehensive protection mechanisms including overcurrent, thermal, and short-circuit safeguards
Applications
- Point-of-load regulation in industrial equipment
- Power supply stages for embedded computing systems
- Voltage conversion for automotive infotainment modules
Procurement Notes
Verify the specific suffix against official Diodes Incorporated documentation to confirm pinout compatibility and thermal characteristics. Ensure the selected variant matches the required operating temperature range and packaging format for your assembly process. Cross-reference datasheet revisions to validate parameter consistency before finalizing component selection.
Selection Notes
Select this component when designing circuits requiring a compact solution for intermediate bus voltage conversion. The 3.5 A current capability suits moderate power applications where space constraints limit larger packages. Evaluate the 450 kHz switching frequency against EMI requirements and external inductor size preferences during the design phase.
Part Context
This part belongs to the AP63356 series of high-voltage synchronous buck converters. The DV suffix indicates a specific tape-and-reel packaging configuration within the V-DFN3020-13 footprint. This series is designed to replace linear regulators in applications demanding higher efficiency and reduced heat dissipation.
Replacement Considerations
The AP63356QZV-7 is a qualified alternative offering extended temperature ratings up to +150 °C. Verify that the QZV variant's DFN-10 package dimensions are compatible with your existing PCB layout before substitution.
