LM3402HVMR/NOPB

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Details for Texas Instruments

LM3402HVMR/NOPB

0.5A Constant Current Buck Regulator for High Power LED Drivers
Buy Directly from Texas Instruments (5569 in Stock)
$0.9000 per unit
Series Information for LM3402HVMR/NOPB - Texas Instruments

Features

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

Description

IC DC/DC CONVERTER
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.

Specifications

Device Topology:
Non Isolated Buck Constant Current
Input Voltage Min:
6V
Input Voltage Max:
75V
Output Voltage Max:
73V
Output Current Max:
500mA
Switching Frequency:
1MHz
No. of Outputs:
1Outputs
IC Mounting:
SMD
Driver Case Style:
SOP
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 3 - 168 hours
SVHC:
No SVHC (27-Jun-2018)
Adjustable Output Voltage Max:
0.2V
Dimming Control Type:
PWM
Dropout Voltage Vdo:
300mV
Input Voltage:
6V to 75V
LED Driver Application:
Automotive Lighting General Illumination
Operating Temperature Range:
-40°C to +125°C
Output Current:
500mA
Output Voltage:
73V
Switch Output Current Isw Max:
500A
Termination Type:
Surface Mount Device
Voltage Regulator Type:
Step Down (Buck)

Alternate Descriptions

Avnet America

Conv DC-DC Single Step Down 6V to 75V 8-Pin PSOP EP Rail

Avnet America product

Avnet Europe

Conv DC-DC Single Step Down 6V to 75V 8-Pin PSOP EP Rail

Avnet Europe product

Texas Instruments

0.5A Constant Current Buck Regulator for High Power LED Drivers

Texas Instruments product