Low

LM3405XEVAL - 

Lm3405 Driver Led Scheda Sviluppo + Arresto Termico E sovracorrente Protezione

TEXAS INSTRUMENTS LM3405XEVAL

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Cod. produttore:
LM3405XEVAL
Codice Prodotto
1824608
Datasheet tecnico:
(EN)
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Informazioni sui prodotti

:
LM3405
:
1A
:
Board, Datasheet
:
Buck (Step Down)
:
3V
:
-
:
PWM
:
1Uscite
:
-
:
15V
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Panoramica del prodotto

The LM3405XEVAL evaluation board is configured to drive a series string of high power, high brightness LEDs at a forward current of 1A using the LM3405 constant current buck regulator. The board can accept a full input operating range of 3V to 15V. The converter output voltage adjusts as needed to maintain a constant current through the LED array. The LM3405 is a step down regulator with an output voltage range extending from a VO(MIN) of 205mV (the reference voltage) to a VO(MAX) determined by the maximum duty cycle (typically 94%). It can drive up to 3 LEDs in series at 1A forward current, with the single LED forward voltage of approximately 3.7V (Typical of white, blue and green LEDs using InGaN technology).
  • Input voltage range of 3V to 15V
  • 1.6MHz switching frequency
  • EN/DIM input for enabling and PWM dimming of LEDs
  • 300mR NMOS switch
  • 40nA shutdown current at VIN = 5V
  • Internally compensated current mode control
  • Cycle by cycle current limit
  • Input voltage UVLO
  • Over current protection

Applicazioni

Illuminazione a LED, Industriale, Gestione Alimentazione

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