ST619LBDR

Voltage Regulators - DC DC Switching Regulators Overview

The ST619LBDR is a step-up charge pump DC-DC converter manufactured by STMicroelectronics. It delivers a regulated 5V output with ±4% tolerance at a maximum current of 30mA. The device operates within an input voltage range of 2V to 3.6V and supports an extended operating temperature range from -40°C to +85°C. Packaged in an 8-SOIC format, it functions as a compact power management solution for low-power applications requiring stable voltage regulation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Provides regulated 5V output via step-up charge pump topology
• Operates over wide input voltage range of 2V to 3.6V
• Supports continuous 30mA load current capability
• Rated for industrial temperature environments

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable devices requiring voltage boosting
• Low-power embedded systems needing stable 5V rail
• Industrial control modules operating in extended temperatures

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffix DR against official STMicroelectronics documentation to confirm packaging type and tape-and-reel specifications. Ensure compatibility with your board's thermal design and input voltage constraints before procurement. Cross-reference datasheet revisions to confirm pinout and electrical characteristics match your design requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact, low-current step-up regulator is needed for 5V generation from lower battery voltages. Consider the 30mA limit and SOIC package size relative to your space and power constraints. Verify that the 2V-3.6V input range aligns with your source supply under all operating conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

The ST619LBDR belongs to the ST619 series of charge pump regulators. It is designed for applications where efficiency and simplicity are prioritized over high current delivery. The device integrates switching elements and control logic into a small footprint, reducing external component count compared to discrete solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

ST619LBD and ST619LBN are alternative packages within the same family. Verify pinout compatibility and thermal performance differences before substitution. No direct cross-brand equivalents are confirmed in public documentation.