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Product Detailed Parameters
- Description：IC REG BCK BST PROG 2A W-WLB2118
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Function：Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Buck-Boost
- Output Type：Programmable
- Number of Outputs：1
- Voltage - Input (Min)：2.3V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：2.6V
- Voltage - Output (Max)：5.14V
- Current - Output：2A
- Frequency - Switching：2.5MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-30°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-WFBGA, WLBGA
- Supplier Device Package：W-WLB2118-20
- Grade：-
- Qualification：-
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Overview
The AP72202CT20-7 is a synchronous Buck-Boost DC-DC converter manufactured by Diodes Incorporated. It operates with an input voltage range of 2.3 V to 5.5 V and delivers up to 2 A output current. The device provides an adjustable output voltage between 2.6 V and 5.14 V. Key electrical specifications include a quiescent current of 6 uA, a switching frequency of 2.5 MHz, and a load regulation of 16.5 mV/A. It functions within a temperature range of -40°C to +85°C and utilizes a WLCSP-20 package.
Feature Summary
- Buck-Boost topology supports operation in buck, boost, or pass-through modes for stable output across varying input conditions
- Integrated synchronous rectification enables high efficiency and reduced external component count
- Fixed 2.5 MHz switching frequency allows for the use of small passive components
Applications
- Battery-powered portable electronics requiring wide input voltage tolerance
- USB Type-C power delivery interfaces
- Single-cell lithium-ion battery systems
Procurement Notes
Verify the specific suffix against official Diodes Incorporated documentation to confirm pinout compatibility and thermal characteristics. Ensure the ordering part number matches the required tape-and-reel quantity. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement specifications.
Selection Notes
Select this component when designing circuits that require a single-stage solution for both step-down and step-up conversion from a single-cell source. The WLCSP-20 package is suitable for space-constrained PCB layouts. Evaluate the 2 A current capability against peak load requirements to ensure adequate thermal performance without additional heatsinking.
Part Context
This part belongs to the AP7220x series of low-power switching regulators. It shares architectural similarities with other members like the AP72200CT20-7 but may differ in internal compensation or specific output voltage ranges. It is designed as a compact alternative to discrete solutions in modern mobile and IoT applications.
Replacement Considerations
The AP72200CT20-7 is a documented member of the same family. Verify if the specific output voltage range and internal feedback resistor configuration of the AP72200CT20-7 meet the design requirements before substitution.
