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S-8341C51AFT-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：300kHz
- 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-8341C51AFT-T2-U is a synchronous rectification step-up switching regulator manufactured by ABLIC Inc. It operates with an input voltage range of 0.9 V to 5.5 V and provides a fixed output voltage of 5.1 V. The device supports a maximum output current of 1.5 A and features a low quiescent current of 25 µA in normal operation, reducing to 1.5 µA in standby mode. It utilizes a PFM/PWM control method for high efficiency across varying load conditions. The component is housed in a compact TSSOP-B8 package and is rated for an operating temperature range from -40 °C to +85 °C.
Feature Summary
- Integrates synchronous rectification technology to minimize conduction losses and enhance conversion efficiency.
- Features automatic transition between PFM and PWM modes to maintain optimal performance under light and heavy loads.
- Includes built-in protection mechanisms against overcurrent, thermal overload, and undervoltage lockout.
Applications
- Portable electronic devices requiring efficient power management from single-cell lithium batteries
- Mobile communication equipment and handheld terminals
- Battery-powered consumer electronics and IoT sensors
Procurement Notes
Verify the complete part number including suffixes such as -T2-U to ensure correct packaging and tape-and-reel specifications. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Cross-reference pin assignments with the latest datasheet revision to avoid compatibility issues during PCB layout and assembly processes.
Selection Notes
Select this component when designing circuits that require a stable 5.1 V output from variable input sources within the 0.9 V to 5.5 V range. Consider its small TSSOP-B8 footprint for space-constrained applications. Evaluate the 25 µA quiescent current against system power budgets to ensure extended battery life in portable designs.
Part Context
This device belongs to the S-8341 series of DC-DC converters from ABLIC Inc., designed for high-efficiency power conversion in portable applications. The series emphasizes low power consumption and compact form factors, catering to modern electronics that demand reliable voltage regulation from limited energy sources.
Replacement Considerations
Consult official ABLIC documentation for direct substitutes within the S-8341 family or compatible stepping regulators. Verify electrical parameters and pin configurations before replacing existing components to maintain circuit integrity.
FAQ
What control method does the S-8341C51AFT-T2-U use?
It employs a combination of Pulse Frequency Modulation (PFM) and Pulse Width Modulation (PWM) to optimize efficiency across different load conditions.
Is the S-8341C51AFT-T2-U suitable for low-power standby applications?
Yes, it features a standby mode with a typical quiescent current of 1.5 µA, making it suitable for battery-operated devices requiring long standby times.
