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LM3429MHX The Texas Instruments LM3429MHX is an N-channel controller for constant current LED drivers. It supports input voltages from 4.5V to 75V and output currents up to 5A.
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LM3429MHX

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM3429MHX is an N-channel controller for constant current LED drivers. It supports input voltages from 4.5V to 75V and output currents up to 5A.
✓ Total Stock: 32,906 pcs
$ Price Range: $0.20

LM3429MHX Available from 2 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
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32,873 pcs
On Request
32873 pcs On Request 1 On Request On Request On Request On Request On Request
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
33 pcs
On Request
33 pcs On Request 1 On Request On Request 22+ On Request On Request
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LM3429MHX Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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LM3429MHX Description

Short technical summary and product information.

The LM3429MHX from Texas Instruments is a versatile N-channel controller designed for constant current LED drivers. It is capable of operating with input voltages ranging from 4.5V to 75V and can deliver output currents up to 5A. This device supports both Analog and PWM dimming methods, offering flexibility in illumination control.

 

The LM3429MHX can be configured in various topologies, including Boost, Boost Controller, and Buck-Boost, making it suitable for a wide array of applications. It features a programmable switching frequency and includes essential protection mechanisms such as thermal shutdown, input undervoltage protection, and overvoltage protection. The controller is housed in a low-profile 14-lead HTSSOP package.

 

Key electrical characteristics include a typical quiescent current of 1.6mA and a 2-Ohm, 1-A peak MOSFET gate driver. The operating temperature range is from -40°C to 125°C. This component is ideal for illuminating LEDs in diverse applications requiring high voltage input and precise current control.

LM3429MHX Quick Information

Product Type: LED Driver
Canonical Name: LM3429MHX N-Channel Controller for Constant Current LED Drivers
Subcategory: Power Management ICs

LM3429MHX Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LM3429MHX Estimated Pricing

Qty Low High
1+ $0.20 $0.20

Estimated market price range - modelled values for guidance only, not live distributor offers.

LM3429MHX Features

  • N-channel controller for constant current LED drivers.
  • Wide input voltage range from 4.5V to 75V.
  • Supports Analog and PWM dimming methods.
  • Configurable in Boost, Buck-Boost topologies.
  • Operates in -40°C to 125°C temperature range.

LM3429MHX Applications

  • Ideal for high voltage LED illumination.
  • Suitable for diverse lighting applications.
  • Used in power management systems.
  • Flexible for various circuit topologies.

LM3429MHX FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LM3429MHX?

4.5V to 75V.

What is the output voltage range?

3V to 72V.

What is the maximum output current?

5A.

What is the operating temperature range?

-40°C to 125°C.

What is the package type?

HTSSOP (PWP) with 32 mm² area.

What dimming methods does the LM3429MHX support?

Analog and PWM.

What topologies are supported?

Boost, boost controller, and buck-boost.

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