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Product Detailed Parameters
- Description：IC REG BUCK BST ADJ 2A W-WLB2118
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Up, Step-Down
- Output Configuration：Positive
- Topology：Buck, Boost
- Output Type：Adjustable
- 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 AP72200CT20-7 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 is housed in a WLCSP-20 package.
Feature Summary
- Integrated synchronous Buck-Boost topology for flexible voltage conversion
- Ultra-low quiescent current for extended battery life
- High-frequency operation enabling compact passive component selection
Applications
- Portable consumer electronics requiring wide input voltage ranges
- Battery-powered devices with varying charge states
- Systems needing stable output from fluctuating supply sources
Procurement Notes
Verify the specific suffix 'CT20-7' against the official Diodes Incorporated datasheet to confirm package type and tape/reel specifications. Ensure compatibility with your PCB footprint for the WLCSP-20 configuration. Cross-reference RoHS compliance status directly with the manufacturer's latest documentation before finalizing procurement decisions.
Selection Notes
Select this component when designing circuits that require both step-up and step-down capabilities from a single power rail. The 2.5 MHz switching frequency allows for smaller inductors compared to lower-frequency alternatives. Consider the 2 A current limit and thermal performance in the WLCSP-20 package when determining heat dissipation requirements for the target application environment.
Part Context
This part belongs to the AP722xx series of power management ICs from Diodes Incorporated. These devices are designed for efficient power conversion in space-constrained applications. The series typically integrates high-side and low-side MOSFETs to maximize efficiency across various load conditions.
Replacement Considerations
Consult the Diodes Incorporated product selector for direct pin-compatible or functionally equivalent Buck-Boost converters within the same family. Verify that any substitute matches the 2.3 V to 5.5 V input range and 2 A output capability.
