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Product Detailed Parameters
- Description：IC REG BUCK ADJ 4A 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：4A
- Frequency - Switching：800kHz
- 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：-
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Overview
The AP62401WU-7 is a high-voltage buck switching regulator 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 800 mV to 7 V. The device utilizes a TSOT-26 package and integrates internal power MOSFETs for efficient DC/DC conversion. It features peak current mode control, which allows for the use of low ESR ceramic output capacitors while maintaining stability across wide input-to-output voltage ratios.
Feature Summary
- Integrates internal high-side and low-side power MOSFETs to minimize external component count
- Employs peak current mode control architecture for rapid transient response
- Supports operation with low equivalent series resistance (ESR) ceramic output capacitors
- Includes comprehensive protection mechanisms such as overcurrent, thermal, and short-circuit protection
Applications
- Industrial equipment power distribution
- Automotive infotainment systems
- Consumer electronics battery charging circuits
- General-purpose point-of-load regulation
Procurement Notes
Verify the specific suffix against official Diodes Incorporated documentation to confirm pinout compatibility and electrical specifications. Ensure that the selected variant matches the required package type and tape-and-reel quantity for manufacturing integration. Cross-reference the datasheet revision date to validate regulatory compliance status.
Selection Notes
Select this component when designing systems requiring a compact solution for stepping down voltages within the 4.2 V to 18 V range. Consider its suitability for applications demanding high efficiency in space-constrained environments. Evaluate the thermal performance requirements relative to the expected load current and ambient operating conditions.
Part Context
This part belongs to the AP62xxx series of high-voltage buck converters from Diodes Incorporated. These devices are engineered to provide robust power management solutions for applications requiring reliable voltage regulation from varying input sources. The series emphasizes design flexibility through adjustable output settings and minimal external passive requirements.
Replacement Considerations
Consult official manufacturer substitution guides for verified alternatives. Generic equivalents may differ in thermal characteristics or control loop dynamics.
