LM3423Q0MH/NOPB

$2.84

Description：IC LED DRIVER CTRLR PWM 20HTSSOP
Series：-
Mfr：Texas Instruments
Package：Tube

SKU:88b803a31cbe Category: LED Drivers IC Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC LED DRIVER CTRLR PWM 20HTSSOP
Series：-
Mfr：Texas Instruments
Package：Tube
Type：DC DC Controller
Topology：SEPIC, Step-Down (Buck), Step-Up (Boost)
Internal Switch(s)：No
Number of Outputs：1
Voltage - Supply (Min)：4.5V
Voltage - Supply (Max)：75V
Voltage - Output：-
Current - Output / Channel：-
Frequency：2MHz
Dimming：Analog, PWM
Applications：-
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：20-PowerTSSOP (0.173", 4.40mm Width)
Supplier Device Package：20-HTSSOP
Grade：Automotive
Qualification：AEC-Q100

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LM3423Q0MH/NOPB

Overview

The LM3423Q0MH/NOPB is an automotive-grade N-channel controller designed for constant current LED drivers. It operates within a -40°C to +150°C temperature range and features AEC-Q100 qualification. The device utilizes a 20-pin HTSSOP package and supports adjustable switch frequency, enable/shutdown control, and thermal shutdown protection.

Feature Summary

Automotive-grade N-channel controller architecture for constant current LED applications
Integrated thermal shutdown protection for enhanced system reliability
Supports adjustable switching frequency configuration via external components

Applications

Automotive exterior lighting systems
Automotive interior illumination circuits
High-power LED driver designs requiring AEC-Q100 compliance

Procurement Notes

Verify the specific suffix 'Q0' against the manufacturer's latest datasheet to confirm the exact electrical characteristics and pinout compatibility. Ensure the HTSSOP-20 package dimensions match the target PCB footprint. Confirm that the operating temperature range of +150°C aligns with the thermal management requirements of the final assembly environment.

Selection Notes

Select this component when designing automotive LED drivers that require robust N-channel control capabilities. The wide operating temperature range makes it suitable for harsh environments. Verify that the application circuit can support the adjustable frequency feature and that the thermal design accommodates the maximum junction temperature limits specified in the official documentation.

Part Context

This part belongs to the LM3423 series from Texas Instruments, which focuses on LED lighting driver solutions. The 'Q0' designation typically indicates a specific grade or variant within the automotive portfolio, distinct from other variants like Q1. It shares the core controller functionality with the broader LM3423 family but may have specific qualification or performance attributes defined by the manufacturer.