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S-8357B50UA-NJJT2U
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Product Detailed Parameters
- Description：IC REG CTRLR BOOST SOT89-3
- 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：100kHz
- Duty Cycle (Max)：90%
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：TO-243AA
- Supplier Device Package：SOT-89-3
- Grade：-
- Qualification：-
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Overview
The S-8357B50UA-NJJT2U is a positive output step-up DC-DC controller IC manufactured by ABLIC Inc. It operates within a supply voltage range of 0.9V to 10V and utilizes a fixed switching frequency of 100kHz. The device features a maximum duty cycle of 90% and provides a single output phase. Designed for surface-mount applications, it is housed in an SOT-89-3 package. This component functions as a boost regulator suitable for power management systems requiring efficient voltage conversion.
Feature Summary
- Integrates a step-up switching controller with fixed frequency operation
- Supports wide input voltage ranges from 0.9V to 10V
- Utilizes an SOT-89-3 surface-mount package for compact integration
Applications
- Portable electronic devices requiring battery voltage boosting
- Low-voltage power management systems
- Embedded circuits needing stable step-up regulation
Procurement Notes
Verify the specific suffix codes against official ABLIC documentation to ensure correct pinout and electrical characteristics. Confirm package type compatibility during sourcing. Cross-reference datasheet revisions to validate performance parameters. Ensure supplier authenticity through authorized channels. Check environmental compliance status prior to procurement.
Selection Notes
Select this component when a fixed-frequency boost controller is required for low-to-medium power applications. Consider the 100kHz switching frequency for balancing efficiency and external component size. Evaluate the SOT-89-3 package constraints for thermal and spatial requirements. Compare input voltage ranges against system battery specifications.
Part Context
This part belongs to the S-8357 series of switching controllers from ABLIC. The series focuses on efficient power management solutions. The B50UA variant specifically denotes the output voltage setting and package configuration. It serves as a core component in DC-DC conversion stages for portable electronics.
Replacement Considerations
Check for direct substitutes within the S-8357 family or other ABLIC boost controllers. Verify pin compatibility and electrical parameter overlaps before substitution. Consult official cross-reference lists for validated alternatives.
