LM3402MM/NOPB Part Information

Details for LM3402MM/NOPB by Texas Instruments

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

Buy LM3402MM/NOPB Directly from Texas Instruments (20198 in stock) at $0.6240

Part Description

The LM3402/HV are monolithic switching regulators designed to deliver constant currents to high power LEDs. Ideal for automotive, industrial, and general lighting applications, they contain a high-side Nchannel MOSFET switch with a current limit of 735 mA (typical) for step-down (Buck) regulators. Hysteretic control with controlled ON-time coupled with an external resistor allow the converter output voltage to adjust as needed to deliver a constant current to series and series - parallel connected arrays of LEDs of varying number and type, LED dimming by pulse width modulation (PWM), broken/open LED protection, low-power shutdown and thermal shutdown complete the feature set.

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Part Features

  • 500 mA Output Current Over Temperature
  • Cycle-by-Cycle Current Limit
  • Integrated 0.5-A N-channel MOSFET
  • No Control Loop Compensation Required
  • Separate PWM Dimming and Low Power Shutdown
  • Supports All Ceramic-Output Capacitors and Capacitor-Less Outputs
  • Thermal Shutdown Protection
  • VIN Range from 6 V to 42 V (LM3402)
  • VIN Range from 6 V to 75 V (LM3402HV)
  • VSSOP, SO PowerPADu2122 Packages

Part Specifications

Device Topology Non Isolated Buck Constant Current
Input Voltage Min 6V
Input Voltage Max 42V
Output Voltage Max 40V
Output Current Max 500mA
Switching Frequency 1MHz
No. of Outputs 1Outputs
IC Mounting SMD
Driver Case Style VSSOP
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 3402
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 500mA
Output Voltage 40V
Termination Type Surface Mount Device
Topology Buck (Step Down)
RoHS Compliant

Alternative Part Descriptions

  • DC-DC Converter Step-Down 6-42V MSOP8 | RS Components
  • BUCK REGULATOR, CONSTANT CURRENT, SOIC8;; MSL:MSL 1 - Unlimited; SVHC:No SVHC (15-Jan-2019) RoHS Compliant: Yes | Newark Electronics
  • 42-V 0.5-A constant current buck LED driver | Texas Instruments
  • LED Driver IC [Texas Instruments] LM3402MM/NOPB LED Driver IC | Distrelec
  • Texas Instruments LM3402MM/NOPB DC-DC Dönüştürücüsü Step-Down, Ayarlanabilir, 8-Pinli MSOP | RS Components TR
  • DC-DC Converter Step-Down 6-42V MSOP8 | RS Components IT

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