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Product Detailed Parameters
- Description：IC REG BUCK ADJ 3A TSOT26
- 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)：4.2V
- Voltage - Input (Max)：18V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：7V
- Current - Output：3A
- Frequency - Switching：750kHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6 Thin, TSOT-23-6
- Supplier Device Package：TSOT-26
- Grade：-
- Qualification：AEC-Q100
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Overview
The AP62300WU-7 is a high-voltage synchronous buck DC-DC converter manufactured by Diodes Incorporated. It operates with an input voltage range of 4.2 V to 18 V and provides an adjustable output voltage from 0.8 V to 7 V. The device delivers a continuous output current of 3 A at a fixed switching frequency of 750 kHz. It features a low quiescent current of 155 uA and supports operation within a temperature range of -40°C to 85°C. The component is housed in a compact TSOT-26 package.
Feature Summary
- Synchronous rectification topology for enhanced efficiency
- High-voltage input capability up to 18 V
- Compact TSOT-26 surface-mount packaging
Applications
- Point-of-load regulation for industrial equipment
- Power supply stages in automotive electronics
- Battery-powered portable devices requiring step-down conversion
Procurement Notes
Verify the specific suffix 'WU' against the manufacturer's official datasheet to confirm pinout compatibility and thermal characteristics. Ensure that the operating environment remains within the specified -40°C to 85°C ambient temperature range. Confirm RoHS compliance status through the latest environmental declaration documents provided by Diodes Incorporated before final integration.
Selection Notes
Select this component when a 3 A output current is required from an input source between 4.2 V and 18 V. The fixed 750 kHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the TSOT-26 package constraints for PCB layout space and thermal dissipation requirements relative to the expected load profile.
Part Context
This part belongs to the AP62300 series of high-voltage synchronous buck converters from Diodes Incorporated. The series is designed for applications requiring efficient power management in compact form factors. The WU suffix indicates the specific TSOT-26 package variant, distinguishing it from other package options like SOT-563 available in the same functional family.
Replacement Considerations
The AP62300Z6-7 serves as a functional alternative with identical electrical specifications but utilizes a SOT-563 package instead of TSOT-26. Verify footprint compatibility and thermal performance differences before substitution.
