LM3551SDX/NOPB

$0.73

Description：IC LED DRIVER RGLTR 1A 14WSON
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)

SKU:138782f7dfa6 Category: LED Drivers IC Brand: Texas Instruments

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Product introduction

LM3551SDX/NOPB is listed in the LED Driver IC range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC LED DRIVER RGLTR 1A 14WSON. Review the specifications below when checking this part for your BOM.

LED Driver IC specifications for LM3551SDX/NOPB

Description：IC LED DRIVER RGLTR 1A 14WSON
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)
Type：DC DC Regulator
Topology：Step-Up (Boost)
Internal Switch(s)：Yes
Number of Outputs：1
Voltage - Supply (Min)：2.7V
Voltage - Supply (Max)：5.5V
Voltage - Output：-
Current - Output / Channel：1A (Flash)
Frequency：1.25MHz
Dimming：-
Applications：Camera Flash
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：14-WFDFN Exposed Pad
Supplier Device Package：14-WSON (4x4)
Grade：-
Qualification：-

LED Driver IC datasheet and documents for LM3551SDX/NOPB

LM3551SDX/NOPB

LED Driver IC Overview

The LM3551SDX/NOPB is a boost DC-DC regulator designed for camera flash applications. It operates within an input voltage range of 2.7 V to 5.5 V and delivers up to 1 A output current. The device features I2C control and overvoltage protection (OVP). It is housed in a WSON-12 package and supports operation temperatures from -30°C to +85°C.

LED Driver IC Feature Summary

Integrated boost converter architecture optimized for high-current LED flash driving
Digital interface capability via I2C control for system integration
Built-in overvoltage protection mechanisms for circuit safety

LED Driver IC Applications

Camera flash power supply systems
Mobile device illumination circuits
Compact LED driver designs requiring step-up regulation

LED Driver IC Procurement Notes

Verify the specific suffix 'SDX' against the official Texas Instruments datasheet to confirm the reel packaging configuration and tape-and-reel specifications. Ensure that the 'NOPB' designation aligns with current RoHS compliance requirements as defined in the manufacturer's latest documentation before finalizing procurement orders.

LED Driver IC Selection Notes

Select this component when a compact, digitally controlled boost solution is required for single-channel LED flash applications. Consider the WSON-12 footprint constraints and the 1 A current limit relative to the target LED array power requirements. Verify compatibility with the host controller's I2C bus voltage levels and timing specifications.

LED Driver IC Part Context

This part belongs to the LM355x series of LED lighting drivers from Texas Instruments. It serves as a specialized power management IC for portable electronics, distinct from general-purpose regulators by its focus on high-efficiency flash charging and discharge control.