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S-8355Q31BD-OWQ-TFG
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Product Detailed Parameters
- Description：IC REG CTRLR BOOST 6SNB
- 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)：0.9V ~ 10V
- Frequency - Switching：600kHz
- Duty Cycle (Max)：78%
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-VFDFN Exposed Pad
- Supplier Device Package：6-SNB (1.8x2.0)
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Overview
The S-8355Q31BD-OWQ-TFG is a switching controller manufactured by ABLIC Inc., designed for step-up voltage conversion applications. It operates within an input voltage range of 0.9V to 10V and provides a fixed output voltage of 3.1V. The device supports a maximum output current of 300mA at a switching frequency of 100kHz. It features a synchronous rectifier topology and is housed in a SC-74A, SOT-753 package with surface mount installation. The component functions as a positive fixed regulator suitable for DC-DC power management tasks.
Feature Summary
- Synchronous rectifier topology for improved efficiency
- Built-in overcurrent protection circuitry
- High noise immunity design
- Compact surface-mount packaging
Applications
- Portable electronic devices requiring efficient power management
- Battery-powered systems needing stable voltage regulation
- Industrial control modules with low voltage inputs
- Consumer electronics utilizing step-up conversion
Procurement Notes
Verify the specific ordering suffix against the manufacturer's latest documentation to ensure correct package type and marking configuration. Confirm RoHS compliance status and lead times directly with authorized distributors. Check for any recent product change notices that may affect pinout or electrical characteristics before finalizing procurement orders.
Selection Notes
Select this component when a fixed 3.1V output is required from a low-voltage source up to 10V. Ensure the load current does not exceed 300mA and the operating temperature remains within -40°C to +85°C. Consider the SOT-753 package size constraints and thermal requirements for the specific PCB layout during the design phase.
Part Context
This part belongs to the S-8355 series of switching controllers from ABLIC Inc. The series is characterized by high efficiency and compact size, targeting applications where space is limited. The Q31 variant specifically denotes the 3.1V output version, distinguishing it from other fixed voltage options within the same family.
Replacement Considerations
Direct substitutes include other ABLIC S-8355 series variants with compatible output voltages and current ratings. Cross-reference with similar synchronous boost controllers from other manufacturers ensuring matching input/output voltage ranges and package dimensions for mechanical compatibility.
