LM3414MRX
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LM3414MRX

  • Category:Driver chip
  • Product Name:The 1A 60W common anode is capable of constant current step-down LED drivers
  • Manufacturers:NSC
  • Production Batch Number:10+
  • Encapsulation:LLP PSOP
  • Stock Status:There is stock
  • Stock Quantity:30000
  • Minimum order quantity: 1
  • Details:Click here to find pdf information on the LM3414MRX
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  • Product introduction

peculiarity

  • Support LED power up to 60W *: 18X 3W high brightness LED
  • No external current sense resistor is required
  • ± 3% LED current accuracy
  • Up to 96% efficiency
  • High contrast (minimum dimming current pulse width
  • Integrated low-side N-channel MOSFETs
  • Adjustable constant LED current from 350mA to 1000mA
  • Support analog dimming, hot folding back
  • Wide input voltage range:

  • 4.5V to 42V (LM3414)

  • 4.5V to 65V (LM3414HV)
  • The constant switching frequency is adjustable, 250 kHz to 1000 kHz
  • Thermal shutdown protection
  • Power enhanced ePSOP-8 or 3mm x 3mm LLP-8 package

illustrate

The LM3414 and LM3414HV are 1A 60W* common anode capable constant current buck LED drivers. They are ideal for driving 3W single-string HBLED with up to 96% efficiency. They accept input voltages from 4.5VDC to 65VDC and deliver LEDs up to 1A with an average accuracy of ± 3%. Integrated low-side N-channel power MOSFETs and current sensing element implementations are required because there is no bootstrap capacitor and no external current sense resistor required simple and low component count circuitry. An external small-signal resistor to ground provides very fine LED current regulation, analog dimming, and thermal foldback.

Constant switching frequency operation simplifies EMI. No external loop compensation network is necessary. Proprietary pulse level modulation (PLM) controls the benefits of high conversion efficiency and true average LED current regulation methods. Fast response time to achieve excellent LED current pulses fulfills 240 Hz with 256 levels of dimming resolution for general lighting requirements.

The LM3414 and LM3414HV are available in ePSOP-8 and 3mm x 3mm LLP-8 packages.

*Thermal derating is applicable according to actual operation conditions

andLM3414MRXRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
LM3414MRX/NOPB NSC 10+11+   Hong Kong spot, imported original
LM3414MRX NSC 10+ LLP PSOP The 1A 60W common anode is capable of constant current step-down LED drivers

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