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S-8533A41AFT-TB-G
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Product Detailed Parameters
- Description：IC REG CTRLR BUCK 8TSSOP
- 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)：2.7V ~ 16V
- Frequency - Switching：300kHz
- Duty Cycle (Max)：100%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable, Soft Start
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：8-TSSOP
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Overview
The S-8533A41AFT-TB-G is a synchronous PWM controller with a stop-down function, manufactured by ABLIC Inc. It operates within an input voltage range of 2.7 V to 16 V and features a fixed switching frequency of 400 kHz. The device utilizes a TSSOP-8 package and supports a duty cycle range from 0% to 99%. Key electrical parameters include a maximum output current capability of 2 A for the internal driver and a standby current of 10 µA. It incorporates overcurrent protection, under-voltage lockout, and thermal shutdown mechanisms to ensure stable operation in power management applications.
Feature Summary
- Integrates a synchronous PWM control architecture with a dedicated stop-down function for enhanced power efficiency.
- Features built-in overcurrent protection and thermal shutdown circuits to safeguard against fault conditions.
- Supports wide input voltage ranges suitable for various battery-powered and regulated supply systems.
Applications
- Portable electronic devices requiring efficient power management
- Battery-operated equipment utilizing lithium-ion or lithium-polymer cells
- General-purpose DC-DC converter designs
Procurement Notes
Verify component authenticity through official ABLIC channels or authorized distributors. Confirm that the specific suffix matches the required package and temperature grade. Request batch-specific documentation to ensure compliance with RoHS and REACH regulations. Validate lead times and availability status directly with the supplier prior to finalizing procurement orders.
Selection Notes
Select this component for applications requiring synchronous rectification and low quiescent current. Ensure the design accommodates the 400 kHz switching frequency for optimal inductor and capacitor sizing. Verify that the external components support the 2 A drive current and that thermal dissipation meets the requirements for the intended operating environment.
Part Context
This part belongs to the S-8533 series of switching controllers designed for compact power solutions. It complements ABLIC's portfolio of PMICs by providing efficient voltage regulation in small form factors. The series targets mobile and portable markets where space and power efficiency are critical constraints.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult ABLIC technical support for direct replacements or pin-compatible alternatives.
