L6920DBTR

Voltage Regulators - DC DC Switching Regulators Overview

The L6920DBTR is a high-efficiency synchronous step-up converter IC from STMicroelectronics, designed for battery-powered applications. It operates with an input voltage range of 0.6V to 5.5V and provides fixed outputs of 3.3V or 5V, or adjustable output voltages from 2V to 5.2V. The device features a maximum output current of 900mA and a switching frequency of 1MHz. It includes internal synchronous rectification, low battery detection, reverse battery protection, and shutdown functionality. The component is housed in an MSOP-8 package and supports operation temperatures from -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• High efficiency synchronous step-up conversion with integrated P-channel MOSFET rectifier
• Low battery voltage detection and reverse battery protection capabilities
• Variable frequency control to optimize performance across load conditions
• Minimal external component requirement for simplified circuit design

Voltage Regulators - DC DC Switching Regulators Applications

• Battery powered portable devices
• ASIC and microprocessor power supply
• Mobile communication equipment
• Consumer electronics requiring efficient voltage boosting

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'DBTR' corresponds to the MSOP-8 package and reel packaging configuration as defined by STMicroelectronics. Confirm that the ordering code matches the required output voltage option (fixed 3.3V/5V or adjustable) and check for any recent product change notices affecting availability or specifications. Ensure compliance with RoHS directives and moisture sensitivity levels prior to integration.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems requiring a compact boost converter with high efficiency at low input voltages. The 1MHz switching frequency allows for smaller passive components compared to lower frequency alternatives. Consider the 900mA output capability and the inclusion of protection features like reverse battery protection when evaluating suitability for harsh environments or direct battery connection scenarios.

Voltage Regulators - DC DC Switching Regulators Part Context

The L6920 series represents STMicroelectronics' solution for efficient power management in mobile applications. The DB variant specifically denotes the MSOP-8 package format, optimizing for PCB space constraints. This family integrates advanced features such as low battery detection and synchronous rectification to maximize battery life in portable devices.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.