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LM3402

Features: · Integrated 0.5A N-channel MOSFET· VIN Range from 6V to 42V (LM3402)· VIN Range from 6V to 75V (LM3402HV)· 500 mA Output Current Over Temperature· Cycle-by-Cycle Current Limit· No Control Loop Compensation Required· Separate PWM Dimming and Low Power Shutdown· Supports all-ceramic outpu...

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SeekIC No. : 004395296 Detail

LM3402: Features: · Integrated 0.5A N-channel MOSFET· VIN Range from 6V to 42V (LM3402)· VIN Range from 6V to 75V (LM3402HV)· 500 mA Output Current Over Temperature· Cycle-by-Cycle Current Limit· No Control...

LM3402 Data Sheet

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Part Number:
LM3402
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Integrated 0.5A N-channel MOSFET
· VIN Range from 6V to 42V (LM3402)
· VIN Range from 6V to 75V (LM3402HV)
· 500 mA Output Current Over Temperature
· Cycle-by-Cycle Current Limit
· No Control Loop Compensation Required
· Separate PWM Dimming and Low Power Shutdown
· Supports all-ceramic output capacitors and capacitor-less outputs
· Thermal shutdown protection
· MSOP-8, PSOP-8 Packages


Pinout

Connection Diagram


Specifications

If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications.


VIN to GND                             -0.3V to 45V
BOOT to GND                          -0.3V to 59V
SW to GND                             -1.5V
BOOT to VCC                          -0.3V to 45V
BOOT to SW                           -0.3V to 14V
VCC to GND                            -0.3V to 14V
DIM to GND                             -0.3V to 7V
CS to GND                              -0.3V to 7V
RON to GND                            -0.3V to 7V
Junction Temperature             150°C
Storage Temp. Range            -65°C to 125°C
ESD Rating (Note 2)                2kV
Soldering Information
Lead Temperature (Soldering, 10sec) 260°C
Infrared/Convection Reflow (15sec) 235°C


Description

The LM3402/02HV 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 N-channel 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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