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TI LM3402MMX/NOPB product image
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TI LM3402MMX/NOPBRoHS

Manufacturer
TI
MPN
LM3402MMX/NOPB
LCSC Part #
C2678958
Packaging
VSSOP-8-0.65mm
Customer #
Key Attributes
0.5-A Constant Current Buck Regulator for Driving High Power LEDs
Datasheetpdf iconTI LM3402MMX/NOPB
In-Stock: 3,172
3,172 In stock, ships now
Add to BOM List
QtyUnit PriceTotal Amount
1+$ 1.6558$ 1.66
10+$ 1.3888$ 13.89
30+$ 1.2211$ 36.63
100+$ 1.0485$ 104.85
500+$ 0.972$ 486.00
1,000+$ 0.9378$ 937.80
Standard Packaging3500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/LED Drivers ICs
ManufacturerTI
PackagingVSSOP-8-0.65mm
Output Voltage-
FeaturesOver Voltage Protection;Short Circuit Protection;LED open-circuit protection;Over-Temperature Protection (OTP)
Frequency - Switching1MHz
Switch Tube (Built-In/External)Built-in
Voltage - Input(AC)-
Operating temperature-40℃~+125℃
TopologyBuck
Number of Channels1
TypeDC-DC
Output Current500mA
Constant Current Accuracy-
Voltage - Input(DC)6V~42V
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging3500
Sales UnitPiece

Introduction

AI Translation

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.

Features

AI Translation
  • Integrated 0.5 - A N - channel MOSFET
  • V_IN Range from 6 V to 42 V (LM3402)
  • V_IN Range from 6 V to 75 V (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
  • VSSOP, SO PowerPAD Packages

Applications

AI Translation
  • LED Drivers
  • Constant Current Source
  • Automotive Lighting
  • General Illumination
  • Industrial Lighting