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Product Detailed Parameters
- Description：IC REG BUCK ADJ 2A 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：2A
- Frequency - Switching：740kHz
- 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 AP62200WU-7 is a synchronous step-down switching regulator manufactured by Diodes Incorporated. It operates with an input voltage range of 4.2V to 18V and provides a single adjustable output from 800mV to 7V at up to 2A. The device integrates a 740kHz switching frequency and features low quiescent current of 135uA. Packaged in a TSOT-26 (SOT-23-6) surface-mount case, it supports operation between -40°C and +85°C ambient temperature.
Feature Summary
- Integrated synchronous rectification for high efficiency across load ranges
- Fixed-frequency peak current mode control architecture
- Comprehensive protection including overcurrent, thermal, and short-circuit safeguards
Applications
- Portable consumer electronics power distribution
- Industrial control system logic supply rails
- Embedded computing board voltage regulation
Procurement Notes
Verify the specific suffix 'WU-7' against the manufacturer datasheet to confirm tape-and-reel packaging quantities and RoHS compliance status. Ensure the ordering part number matches the exact pinout and thermal pad configuration required by the target PCB footprint. Cross-reference the component marking code with official identification guides to prevent counterfeit substitution during assembly.
Selection Notes
Select this component when an input voltage up to 18V is required with a compact TSOT-26 footprint. The 740kHz frequency allows for smaller external inductors compared to lower-frequency alternatives. Verify that the application load profile remains within the 2A continuous current limit and that the output voltage setting falls within the 800mV to 7V adjustable range defined by the feedback resistor network.
Part Context
This device belongs to the AP62200 series of high-voltage buck converters from Diodes Incorporated. It shares architectural similarities with the AP62201 but differs in input voltage specifications and internal compensation. The series targets applications requiring efficient DC-DC conversion in space-constrained environments without sacrificing transient response capabilities.
Replacement Considerations
AP62201WU-7 offers similar functionality but supports a higher maximum input voltage of 18V with different internal characteristics. AP63200WU-7 provides a wider 32V input range but operates at a different 500kHz frequency. Direct pin-to-pin replacement requires verification of loop stability and thermal performance under the new operating conditions.
