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S-8340A51AFT-T2-U
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Product Detailed Parameters
- Description：IC REG CTRLR BOOST 8TSSOP
- Series：-
- Mfr：ABLIC Inc.
- Package：Tape & Reel (TR)
- Output Type：Transistor Driver
- Function：Step-Up
- Output Configuration：Positive
- Topology：Boost
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：0.8V ~ 6V
- Frequency - Switching：600kHz
- Duty Cycle (Max)：89%
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Current Limit, 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-8340A51AFT-T2-U is a synchronous step-down switching regulator manufactured by ABLIC Inc. It operates within an input voltage range of 2.7 V to 6 V and delivers a fixed output voltage of 5.1 V. The device supports a maximum output current of 1.5 A with a typical quiescent current of 1.2 µA during normal operation. It functions at a switching frequency of 1 MHz and includes integrated high-side and low-side N-channel MOSFETs. The component ensures stable performance across an operating temperature range from -40 °C to +85 °C.
Feature Summary
- Integrates high-side and low-side N-channel MOSFETs for efficient power conversion
- Features built-in protection mechanisms including overcurrent, thermal shutdown, and undervoltage lockout
- Supports continuous output current up to 1.5 A with low standby current consumption
Applications
- Portable electronic devices requiring compact power solutions
- Battery-powered equipment utilizing lithium-ion or lithium-polymer cells
- Embedded systems needing regulated 5 V supply rails
Procurement Notes
Verify the complete part number including suffixes against official ABLIC documentation to ensure correct package type and tape-and-reel specifications. Confirm that the specific ordering code matches the required output voltage and tolerance. Cross-reference RoHS compliance status directly with the manufacturer's latest datasheet before finalizing procurement orders.
Selection Notes
Select this component when a fixed 5.1 V output is required from a single-cell lithium battery source. Ensure the load current does not exceed 1.5 A and verify that the PCB layout accommodates the SOT-23-6 package dimensions. Consider the 1 MHz switching frequency for inductor size optimization relative to lower-frequency alternatives.
Part Context
This model belongs to the S-8340A series of synchronous step-down regulators designed for portable applications. The series emphasizes high efficiency and compact footprint through integrated MOSFET technology. It serves as a power management solution for systems demanding reliable voltage regulation from varying battery levels.
Replacement Considerations
Consult official ABLIC substitution guides for compatible parts within the S-8340 series or other synchronous buck regulators offering similar 5.1 V output and 1.5 A current capacity.
