LM3281YFQR

$1.29

Description：IC REG BUCK 3.3V 1.2A 6DSBGA
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:0fc5673c9fb8 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM3281YFQR is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BUCK 3.3V 1.2A 6DSBGA. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM3281YFQR

Description：IC REG BUCK 3.3V 1.2A 6DSBGA
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：3V
Voltage - Input (Max)：5.5V
Voltage - Output (Min/Fixed)：3.3V
Voltage - Output (Max)：-
Current - Output：1.2A
Frequency - Switching：6MHz
Synchronous Rectifier：Yes
Operating Temperature：-30°C ~ 90°C (TA)
Mounting Type：Surface Mount
Package / Case：6-WFBGA, DSBGA
Supplier Device Package：6-DSBGA
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM3281YFQR

LM3281YFQR

Voltage Regulators - DC DC Switching Regulators Overview

The LM3281YFQR is a miniature 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 delivers up to 1.2 A of output current. The device integrates a 6-MHz switching frequency, enabling the use of small external components for compact designs. It features adjustable output voltage via external resistors and includes comprehensive protection mechanisms such as overcurrent, thermal shutdown, and soft-start functionality.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrates a high-frequency 6-MHz switcher to minimize passive component size
Includes internal power switch capable of delivering 1.2 A load current
Features programmable soft-start to limit inrush current during startup
Provides built-in thermal shutdown and cycle-by-cycle current limiting

Voltage Regulators - DC DC Switching Regulators Applications

Wireless connectivity solutions
Portable consumer electronics
Battery-powered devices requiring efficient voltage regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix YFQR corresponds to the 20-pin DSBGA package configuration. Confirm RoHS compliance status through official datasheets or manufacturer notices. Check for any product change notifications regarding pinout or electrical specifications before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when space constraints require a small footprint solution for wireless applications. Ensure the input voltage source remains within the 2.7 V to 5.5 V operational range. Consider the 6-MHz switching frequency for minimizing inductor size while managing electromagnetic interference requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM3281 family of miniaturized synchronous buck converters designed specifically for mobile and wireless markets. It shares architectural similarities with other TI step-down regulators but is optimized for ultra-small board area consumption.