Datasheet Details
Part number:
IS31LT3178, IS31LT3177
Manufacturer:
Lumissil
File Size:
574.59 KB
Description:
10-to-200ma constant-current led driver.
Note:
This datasheet PDF includes multiple part numbers: IS31LT3178, IS31LT3177.
Please refer to the document for exact specifications by model.
IS31LT3178, IS31LT3177, 10-TO-200MA CONSTANT-CURRENT LED DRIVER
The IS31LT3177 and IS31LT3178 are adjustable linear current devices with excellent temperature stability.
A single resistor is all that is required to set the operating current from 10mA to 200mA.
The devices can operate from an input voltage from 2.9V to 40V with a minimal voltage headroom of 1.0V
IS31LT3178 Features
* Low-side current sink - Adjustable from 10mA to 150mA (SOT236)/200mA (SOP-8-EP) with external resistor selection
* Wide input voltage range from - 2.9V to 40V (IS31LT3178) - 5V to 40V (IS31LT3177) with a low dropout of typical 1.0V at 150mA
* Up to 1kHz PWM input (IS31LT317
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