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S-8520B53MC-ASMT2U
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Product Detailed Parameters
- Description：IC REG CTRLR BUCK SOT23-5
- Series：-
- Mfr：ABLIC Inc.
- Package：Tape & Reel (TR)
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：2.5V ~ 16V
- Frequency - Switching：180kHz
- Duty Cycle (Max)：100%
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- Grade：-
- Qualification：-
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Overview
The S-8520B53MC-ASMT2U is a synchronous rectification step-down switching regulator controller manufactured by ABLIC Inc. It operates within an input voltage range of 2.5V to 16V and delivers a fixed output voltage of 5.3V. The device features a 180kHz switching frequency and supports up to 100% duty cycle operation. Designed for surface-mount installation, it utilizes the SOT-23-5 package (SC-74A). The component functions as a positive output DC-DC converter with enable control characteristics and operates reliably across a temperature range of -40°C to +85°C.
Feature Summary
- Synchronous rectification topology for enhanced efficiency
- Fixed 5.3V output voltage configuration
- Built-in enable control functionality
Applications
- Battery-powered portable electronic devices
- General-purpose power supply systems
- Embedded circuit voltage regulation
Procurement Notes
Verify the specific suffix codes against official manufacturer documentation to ensure correct pinout and electrical specifications. Confirm RoHS compliance status and environmental certifications prior to integration. Cross-reference the exact part number with authorized distributors to avoid counterfeit components. Ensure ordering quantities align with standard reel packaging requirements.
Selection Notes
Select this component when a stable 5.3V rail is required from a 2.5V to 16V input source. The SOT-23-5 package suits space-constrained designs. Consider the 180kHz frequency for balancing component size and noise. Verify that external inductor and capacitor values match the datasheet recommendations for stability at the target load current.
Part Context
This unit belongs to the S-8520 series of switching controllers from ABLIC Inc. The series focuses on compact power management solutions using small footprint packages. These controllers are designed to drive external power stages efficiently. The product line targets applications requiring reliable voltage conversion in limited board areas.
Replacement Considerations
Consult official cross-reference lists for verified substitutes. Ensure replacement parts match the SOT-23-5 package and 5.3V output specification. Verify compatibility with the 2.5V to 16V input range and 180kHz switching frequency before substitution.
