LM3551SD/NOPB

$1.96

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

SKU:2c0c5c5b8286 Category: LED Drivers IC Brand: Texas Instruments

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Product introduction

LM3551SD/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 LM3551SD/NOPB

Description：IC LED DRIVER RGLTR 1A 14WSON
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
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 LM3551SD/NOPB

LM3551SD/NOPB

LED Driver IC Overview

The LM3551SD/NOPB is a step-up DC-DC regulator designed for camera flash applications. It operates at a fixed frequency of 1.25 MHz and supports an input voltage range of 2.7 V to 5.5 V. The device features a WSON-12 package and functions within a temperature range of -40°C to +85°C.

LED Driver IC Feature Summary

Integrated boost converter topology optimized for high-current flash LED driving
Fixed switching frequency operation at 1.25 MHz for simplified external component selection

LED Driver IC Applications

Camera flash systems
Mobile device illumination circuits
Compact LED driver designs requiring small form factor

LED Driver IC Procurement Notes

Verify the exact part number against official Texas Instruments documentation to confirm pinout compatibility and thermal performance specifications. Ensure that the WSON-12 package requirements align with your PCB layout constraints and manufacturing capabilities before finalizing procurement orders.

LED Driver IC Selection Notes

Select this component when designing compact flash lighting solutions requiring a fixed 1.25 MHz switching frequency. It is suitable for single-channel boost applications where space efficiency is critical. Evaluate thermal dissipation requirements for the WSON-12 package in enclosed environments.

LED Driver IC Part Context

This component belongs to the LM355x series of LED drivers from Texas Instruments. It shares architectural similarities with other members like the LM3553, focusing on integrated power switches and control logic for portable electronic devices. The NOPB suffix indicates lead-free and halogen-free compliance.