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Product Detailed Parameters
- Description：IC REG BUCK ADJ 1.5A 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)：4.5V
- Voltage - Input (Max)：18V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：14.72V
- Current - Output：1.5A
- Frequency - Switching：500kHz
- 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 AP65111AWU-7 is a synchronous step-down DC/DC converter manufactured by Diodes Incorporated. It operates with an input voltage range of 4.5V to 18V and provides a positive adjustable output starting from 0.8V. The device delivers up to 1.5A of output current in a TSOT-23-6 package. Key electrical parameters include a switching frequency of 500kHz, a shutdown feature, and operation within a temperature range of -40°C to +85°C.
Feature Summary
- Integrated synchronous rectification for improved efficiency
- Light load performance optimization capabilities
- Compact surface-mount packaging design
Applications
- Portable electronic devices
- Embedded systems power distribution
- Battery-powered equipment
Procurement Notes
Verify the specific suffix 'WU-7' against official Diodes Incorporated documentation to confirm tape and reel specifications and marking codes. Ensure that the ordering information matches the exact thermal and mechanical requirements of the target PCB layout. Cross-reference the datasheet revision date to validate parameter accuracy before finalizing procurement orders.
Selection Notes
Select this component when a compact solution is required for stepping down voltages between 4.5V and 18V to lower levels. The 1.5A current rating suits moderate load applications. Consider the TSOT-23-6 footprint constraints and the need for external feedback resistors to set the desired output voltage above the 0.8V minimum reference.
Part Context
This part belongs to the AP65111 series of buck converters from Diodes Incorporated. It is categorized under switching regulators and power management integrated circuits. The device utilizes constant on-time control architecture typical of this family, designed for high efficiency and minimal external component count in space-constrained environments.
Replacement Considerations
Consult official manufacturer substitution guides for direct pin-compatible alternatives. Verify that any substitute maintains the 18V maximum input rating and 1.5A current capability. Ensure thermal performance and package dimensions match the existing design constraints.
