Buck Regulator, Constant Current, for Driving High Power LEDs

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Overview

The NCV30161 is a hysteretic step−down, constant−current driver for high power LEDs in automotive applications. It is ideal for applications such as driver monitoring system.The NCV30161 operates with an input voltage range from 6.3 V to 40 V. The hysteretic control gives good power supply rejection and fast response during load transients and PWM dimming to LED arrays of varying number and type.A dedicated PWM input (DIM/EN) enables a wide range of pulsed dimming, and a high switching frequency allows the use of smaller external components minimizing space and cost. Protection features include resistor−programmed constant LED current, shorted LED protection, under−voltage and thermal shutdown. The NCL30161 is available in a DFN10 3 mm x 3 mm wettable flank package

  • Constant Current Source
  • Driver monitoring systems
  • automotive lighting
  • Single Pin Brightness and Enable/Disable Control using PWM
  • Adjustable LED Current
  • Thermal Shutdown Protection
  • AECQ100 qualified, PPAP capable

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NCV30161MNWTXG

Active

Pb

A

H

P

DFNW-10

1

260

REEL

3000

Y

Step-Down

1

Hysteretic

6

40

2400

$0.6009

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