ILC6380BP-50

Voltage Regulators - DC DC Switching Regulators Overview

The Fairchild ILC6380BP-50 is a step-up DC-DC converter designed for single-cell lithium-ion battery applications. It operates from an input voltage range of 2.7V to 4.2V and provides a fixed 5V output. The device integrates synchronous rectification, eliminating the need for external Schottky diodes. It supports both PFM and PWM modes via the SEL pin, with internal oscillator frequencies selectable at 300kHz or 455kHz. Key electrical characteristics include a peak efficiency exceeding 90% and a shutdown current of approximately 1µA. The component is housed in a small outline package suitable for portable electronics.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification architecture removes requirement for external boost diode
• Selectable switching frequency options of 300kHz and 455kHz to optimize performance
• True load disconnect capability isolates battery during shutdown mode
• User-selectable PFM or PWM operation modes via dedicated control pin

Voltage Regulators - DC DC Switching Regulators Applications

• Cellular phones and mobile communication devices
• Personal Digital Assistants (PDAs) and palmtops
• Portable electronic devices powered by single-cell lithium-ion batteries

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'BP-50' against official Fairchild documentation to confirm the fixed 5V output variant and package type. Ensure compatibility with required switching frequency settings and confirm that the synchronous rectifier specifications meet system thermal requirements. Cross-reference part numbers carefully as legacy Fairchild components may have transitioned through multiple manufacturers.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing single-cell lithium-ion powered systems requiring a stable 5V rail. The integrated synchronous rectifier simplifies bill of materials by removing external diodes. Choose between 300kHz and 455kHz based on inductor size constraints and noise sensitivity. Verify that the 1µA shutdown current meets strict power budget requirements for portable devices.

Voltage Regulators - DC DC Switching Regulators Part Context

The ILC6380 series belongs to Fairchild's family of high-efficiency step-up converters optimized for portable applications. These devices are engineered to maximize battery life in space-constrained designs. The ILC6380 specifically targets single-cell lithium-ion inputs, offering regulated outputs with minimal external component count compared to asynchronous alternatives.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The ILC6382 is documented as a direct replacement where the SYNC pin functionality is not utilized. Verify pin compatibility and ensure that the substitute part supports the required 5V output and switching frequency configuration.