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S-8533A125FT-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-8533A125FT-TB-G is a synchronous PWM controller and step-down converter manufactured by ABLIC. It operates within an input voltage range of 2.7 V to 6.0 V and supports output voltages from 0.6 V to 5.5 V. The device features a switching frequency adjustable between 400 kHz and 2,000 kHz. It includes integrated MOSFETs with on-resistances of 120 mΩ (high-side) and 90 mΩ (low-side). The component functions reliably across an ambient temperature range of -40°C to +85°C and is housed in an 8-pin TSSOP package.
Feature Summary
- Integrates high-side and low-side power MOSFETs for compact design
- Supports adjustable switching frequencies up to 2 MHz
- Includes programmable soft-start functionality
- Features comprehensive protection mechanisms including overcurrent and thermal shutdown
Applications
- Portable electronic devices requiring efficient power conversion
- Battery-powered equipment utilizing single-cell lithium-ion or lithium-polymer sources
- Embedded systems with strict space constraints
- Industrial control modules operating within standard temperature ranges
Procurement Notes
Verify the specific suffix 'TB-G' against official ABLIC documentation to confirm tape-and-reel packaging and RoHS compliance status. Confirm availability through authorized distributors as supply conditions may vary. Ensure the ordering code matches the exact pinout and electrical specifications required for your design.
Selection Notes
Select this component when a compact solution with integrated power switches is required for step-down applications. Consider the adjustable frequency range to optimize efficiency versus EMI trade-offs. Verify that the input voltage range aligns with the source supply and that the thermal performance meets the enclosure requirements.
Part Context
This part belongs to the S-8533 series of synchronous buck converters. The series is designed for general-purpose power management in portable electronics. Similar models in the family may offer different fixed output voltages or packaging options, but share the core control architecture and integration level.
Replacement Considerations
Direct replacements must match the 8-pin TSSOP footprint and electrical characteristics. Verify compatibility with existing PCB layouts and control loop compensation. Cross-reference with other ABLIC synchronous controllers if pin-to-pin alternatives are needed.
