IS32LT3175P - ISSI

IS32LT3175P SINGLE CHANNEL LINEAR LED DRIVER

The IS32LT3175 is a single channel linear programmable current regulator capable of up to 150mA. It integrates a debounce and latch circuit on the channel enable pin (EN) to facilitate the use of a low cost momentary contact switch. The PWM pin can be interfaced to a logic level “courtesy light” signal to directly drive the LED channel. The IS32LT3175P accep.

Features

 Operating voltage 5V to 42V
 Single channel current source - Programmable current via a single external resistor - Configurable from 20mA to 150mA
 Momentary contact button EN input - Input is debounced and latched - Higher priority than PWM input - Gamma corrected Fade In/Out algorithm - Pull down resistors set independent fade IN and OUT ramp time
 PWM input pin driven by external PWM source - PWM directly drives the current source - IS32LT3175P
  – Positive polarity - IS32LT3175N
  – Negative polarity
 Fault Protection: - OUT pin shorted to GND - ISET pin shorted to GND - Over temperature.