LM3409MY/NOPB

Name: LM3409MY/NOPB
Brand: Texas Instruments
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

LM3409MY/NOPB LED Lighting Driver PFET

6,007 Effective Inventory

LM3409MY/NOPB

Effective Inventory6,007

LM3409MY/NOPB LED Lighting Driver PFET

Manufacturer Part # : LM3409MY/NOPB
Package/Case: HVSSOP (DGQ)-10
Brand: Texas Instruments
Product Categories : LED Drivers
Series : LM3409

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LM3409MY/NOPB DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$0.902	$0.90
10	$0.765	$7.65
30	$0.689	$20.67
100	$0.604	$60.40
500	$0.566	$283.00
1000	$0.550	$550.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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LM3409MY/NOPB Details

The LM3409MY/NOPB is a high-performance LED driver from Texas Instruments, designed for driving high-power LEDs in lighting applications. This driver offers efficient and precise control of LED currents, enabling bright and uniform illumination. With features like dimming control and thermal shutdown protection, the LM3409MY/NOPB is ideal for solid-state lighting designs.

Pinout

1 (VIN): Input Voltage
2 (RT/SD): Dimming Control/Shutdown
3 (GND): Ground
4 (COMP): Compensation
5 (NC): No Connection
6 (DIM): Dimming Input
7 (VCC): Power Supply
8 (SW): Switch Node

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

High Efficiency: Provides efficient LED driving for optimized energy usage.
Precise Current Control: Allows accurate control of LED currents for uniform lighting.
Dimming Capabilities: Supports dimming control for adjusting light levels.
Thermal Shutdown Protection: Ensures safe operation by preventing overheating.
Compact Design: Housed in a compact package for easy integration into lighting systems.

Application

LED Lighting: Ideal for driving high-power LEDs in various lighting applications.
Architectural Lighting: Suitable for architectural lighting designs requiring precise illumination control.
Signage and Display Lighting: Used in signage and display applications for bright and uniform lighting.

Where to Use

The LM3409MY/NOPB is recommended for lighting projects that demand high-efficiency LED driving with precise current control. It is commonly used in LED lighting fixtures, architectural lighting setups, and signage applications for optimal illumination performance.

How to Use

Integrate the LM3409MY/NOPB into your LED lighting system by connecting the VIN, DIM, VCC, COMP, and SW pins as specified in the datasheet. Utilize the dimming control feature for adjusting light output and ensure proper thermal management for reliable operation. Refer to the datasheet for detailed application and usage guidelines.

Application Circuit

The application circuit diagram for the LM3409MY/NOPB demonstrates how to connect the LED driver in a lighting system. It includes connections for input voltage, dimming control, power supply, and the LED load, ensuring proper functionality and control.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

LM3406: A similar LED driver offering comparable features and performance for lighting applications.
LT3797: An alternative LED driver with advanced dimming and control capabilities.

Complementary

The LM3409MY/NOPB can be paired with the LM3349MY/NOPB boost converter for driving high-power LEDs with extended voltage requirements. This combination offers enhanced flexibility and performance for demanding lighting setups.

When selecting complementary components, ensure compatibility and performance alignment with your specific LED lighting project needs.

Frequently Asked Questions

Q: Does the LM3409MY/NOPB support PWM dimming?

A: Yes, the LM3409MY/NOPB can be dimmed using PWM signals for flexible brightness control. Consult the datasheet for detailed dimming specifications and recommendations.

Q: Is thermal management necessary when using the LM3409MY/NOPB?

A: Thermal management is essential to ensure safe and reliable operation of the LM3409MY/NOPB, especially in high-power LED lighting applications. Follow the thermal guidelines provided in the datasheet for optimal performance.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Input voltage type	DC/DC	Topology	Buck
Vin (min) (V)	6	Vin (max) (V)	42
Vout (max) (V)	42	Vout (min) (V)	1.24
Iout (max) (A)	5	Iq (typ) (mA)	2
Features	Adjustable Switch Frequency, Enable/Shutdown, Precision Dimming Control, Thermal shutdown	Operating temperature range (°C)	-40 to 125
Dimming method	Analog, PWM	Number of channels	1
Rating	Catalog

FAQs

What is LM3409MY/NOPB?

The LM3409MY/NOPB is a high-efficiency, synchronous buck regulator integrated circuit designed by Texas Instruments. It is specifically tailored for driving high-power light-emitting diodes (LEDs) in various lighting applications, such as automotive, industrial, and general lighting.

How Does LM3409MY/NOPB Work?

The LM3409MY/NOPB operates as a synchronous buck regulator that efficiently controls the current flowing through LEDs. It utilizes a pulse-width modulation (PWM) technique to regulate the LED current, enabling precise brightness control. The device incorporates protection features and dimming control options for enhanced LED performance and longevity.

How Many Pins does LM3409MY/NOPB have and What are the Functions of the Pinout Configuration?

The LM3409MY/NOPB comes in a 16-pin HTSSOP (PowerPAD) package. The pinout configuration includes:

VIN: Input voltage pin.
EN, RT, VREF: Enable, soft-start, and voltage reference pins for control.
SW, PGND, AGND: Switch node, power ground, and analog ground pins.
FB, COMP, DIM: Feedback, compensation, and dimming control pins for LED regulation.
IADJ, ISET: Adjustable LED current sense and set pins.
AUX, TRISE: Auxiliary power input and thermal rise sense pins.

What are the Pros and Cons of LM3409MY/NOPB?

Pros:

High Efficiency: Provides high-efficiency LED driving for energy savings.
Precise LED Control: Offers precise current regulation for consistent brightness.
Dimming Control: Supports various dimming options for dynamic lighting effects.
Protection Features: Includes protection mechanisms like thermal shutdown and overcurrent protection.
Compact Package: The HTSSOP package is space-efficient for compact designs.

Cons:

Complexity: Requires careful design considerations for optimal LED performance.
External Components: May need additional components for specific LED driving configurations.
Thermal Management: High-power LED applications may require thermal considerations for heat dissipation.

Are There Any Equivalents/Alternatives to LM3409MY/NOPB for Recommendation?

The LM3405A from Texas Instruments is a similar LED driver with a different feature set.
Alternatives to the LM3409MY/NOPB include the LT3744 from Analog Devices and the MP24892 from MPS (Monolithic Power Systems).