L6902D013TR

Voltage Regulators - DC DC Switching Regulators Overview

The L6902D013TR is a step-down switching regulator IC manufactured by STMicroelectronics, designed for high-efficiency DC-DC conversion. It operates with an input voltage range of 8V to 36V and provides a single adjustable output voltage from 1.235V to 34V. The device supports up to 1A output current with a fixed internal switching frequency of 250kHz. It features an integrated P-channel DMOS power transistor and includes comprehensive protection mechanisms such as thermal shutdown, overcurrent limiting, and feedback disconnection protection. The component is housed in an 8-SOIC surface-mount package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a current error amplifier for precise constant voltage and constant current control
• Features an internal robust P-channel DMOS transistor for high efficiency and low dropout
• Includes multiple protection functions including thermal shutdown and overvoltage protection
• Supports zero load current operation and voltage feedforward

Voltage Regulators - DC DC Switching Regulators Applications

• NiMH and NiCd battery charging applications utilizing constant current control
• Standard DC/DC converter designs requiring adjustable current limit
• Compact power supply systems minimizing board space requirements

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to ensure correct packaging configuration. Confirm that the requested variant matches the required pinout and electrical specifications for your design. Cross-reference the part number with the latest datasheet to validate compliance with RoHS standards and environmental regulations before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing buck converters requiring input voltages between 8V and 36V. It is suitable for applications needing adjustable output voltages down to 1.235V with up to 1A continuous current. Consider its fixed 250kHz switching frequency for EMI management and external component sizing. Ensure the thermal environment allows for operation within the specified junction temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the L6902 series of switching regulators from STMicroelectronics. The series is characterized by simple implementation and high performance in step-down topologies. The L6902D013TR specifically denotes the reel-packaged version of the standard L6902D device, maintaining identical electrical characteristics and functionality while differing only in shipping and handling format.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other parts within the L6902 family with compatible packaging. Verify pin compatibility and electrical parameters before substitution. No alternative part numbers are explicitly confirmed as direct replacements in the provided source material.