S-8357B52MC-NJLT2U

Overview

The S-8357B52MC-NJLT2U is a step-up switching controller from ABLIC Inc. designed for boost converter applications. It operates with a supply voltage range of 0.9V to 10V and features a fixed switching frequency of 100kHz. The device delivers a maximum duty cycle of 90% and provides an output current capability of 54.8mA. It supports a fixed output voltage configuration and functions within an ambient temperature range of -40°C to +85°C. The component is housed in a compact SOT-23-5 surface-mount package.

Feature Summary

• Integrates a step-up topology controller optimized for low-power boost applications
• Features a wide input supply voltage range supporting operation from 0.9V to 10V
• Includes an enable control feature for power management flexibility

Applications

• Battery-powered portable electronic devices requiring voltage boosting
• Low-power consumer electronics utilizing single-cell lithium-ion or alkaline batteries
• Embedded systems needing stable regulated voltage from variable input sources

Procurement Notes

Verify the complete part number including suffixes against official ABLIC documentation to ensure correct output voltage and package specifications. Confirm RoHS compliance status and environmental declarations prior to integration. Cross-reference manufacturer datasheets for accurate electrical characteristics and thermal performance data relevant to your specific circuit design requirements.

Selection Notes

Select this component when a fixed 5.2V output is required from a low-voltage source using a non-synchronous boost topology. Consider the 100kHz switching frequency for balancing efficiency and external component size. Ensure the load current does not exceed the specified 54.8mA limit. Verify that the operating temperature range meets the environmental conditions of the target application.

Part Context

This device belongs to the S-8357 series of switching controllers from ABLIC Inc., which focuses on efficient power management solutions. The series utilizes SWR PWM technology to optimize performance across various load conditions. These controllers are designed to replace linear regulators in battery-operated systems to extend operational life by improving conversion efficiency.

Replacement Considerations

Check for direct pin-compatible alternatives within the S-8357 family, such as variants with different output voltage settings. Verify that substitute components maintain compatible input voltage ranges and switching frequencies to ensure circuit stability without redesign.