LM3404MA Part Information

Details for LM3404MA by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Driver & Interface ICs

Part Description

The LM3404 and LM3404HV devices are monolithic switching regulators designed to deliver constant currents to high power LEDs. Ideal for automotive, industrial, and general lighting applications, these devices contain a high-side N-channel MOSFET switch with a current limit of 1.5-A (typical) for step-down (Buck) regulators. Hysteretic controlled on-time and an external resistor allow the converter output voltage to adjust as needed to deliver a constant current to series and series-parallel connected LED arrays of varying number and type. Some features are: LED dimming using pulse width modulation (PWM), broken or open LED protection, low-power shutdown, and thermal shutdown.

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Part Features

  • 1.2-A Output Current Overtemperature
  • Cycle-by-Cycle Current Limit
  • Integrated 1-A MOSFET
  • No Control Loop Compensation Required
  • SOIC-8 Package, SO PowerPADu2122-8 Package
  • Separate PWM Dimming and Low Power Shutdown
  • Supports All-Ceramic Output Capacitors and Capacitor-less Outputs
  • Thermal Shutdown Protection
  • VIN Range 6 V to 42 V (LM3404)
  • VIN Range 6 V to 75 V (LM3404HV)

Part Specifications

Device Topology Non Isolated Buck Constant Current
Input Voltage Min 6V
Input Voltage Max 42V
Output Voltage Max 40V
Output Current Max 1A
Switching Frequency 1MHz
No. of Outputs 1Outputs
IC Mounting SMD
Driver Case Style SOIC
No. of Pins 8Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Base Number 3404
Device Marking LM3404MA
Device Type LED
Dimming Control Type PWM
Input Voltage 6V to 42V
LED Display Type Discrete LED
LED Driver Application Automotive Industrial Lighting
Operating Temperature Range -40°C to +125°C
Output Current 1.2A
Output Voltage 40V
Termination Type Surface Mount Device
Topology Buck (Step Down)
RoHS Compliant

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