LM3686TLX-AADW/NOPB

Overview

The LM3686TLX-AADW/NOPB is a dual-output step-down DC-DC converter manufactured by Texas Instruments. It operates with an input voltage range of 2.7 V to 5.5 V and provides two adjustable output channels, each capable of delivering up to 600 mA. The outputs are adjustable from 1.2 V to 2.5 V. Integrated into the device is a high-frequency switcher operating at 3 MHz, which allows for the use of small external components. The IC features a low quiescent current of 70 µA in standby mode. It is housed in a DSBGA-12 package and supports operation within a temperature range of -30°C to +85°C.

Feature Summary

• Dual independent output channels for simultaneous power rail generation
• High switching frequency enables compact passive component selection
• Low standby current consumption extends battery life in portable devices

Applications

• Portable consumer electronics requiring multiple low-voltage rails
• Battery-powered handheld devices
• Embedded systems with space-constrained power management needs

Procurement Notes

Verify the specific suffix 'AADW' against the official Texas Instruments datasheet to confirm pinout and electrical characteristics match your design requirements. Ensure the DSBGA-12 package footprint aligns with your PCB layout guidelines. Confirm RoHS compliance status through the manufacturer's product information page before finalizing procurement.

Selection Notes

Select this component when a dual-output buck converter is required within a 5.5 V input limit. The 3 MHz frequency is suitable for designs prioritizing board space over maximum efficiency at light loads. Compare the 600 mA per channel capability against load requirements to ensure adequate headroom. Consider the DSBGA-12 package size constraints during mechanical integration.

Part Context

This part belongs to the LM3686 family of dual-output step-down converters. It is designed for applications needing two regulated voltages from a single input source. The NOPB suffix indicates lead-free and RoHS-compliant manufacturing. It serves as a power management solution for systems requiring efficient voltage conversion in a minimal footprint.

Replacement Considerations

Consult the Texas Instruments PMIC selection tool or datasheet cross-reference section for verified alternatives. Ensure any substitute matches the dual-output topology, 600 mA rating, and DSBGA-12 package dimensions.