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LN2102

natlinear
Part Number LN2102
Manufacturer natlinear
Description 2A / 23V Step-Down LED Driver
Published Dec 4, 2018
Detailed Description 300KHz, 2A / 23V Step-Down LED Driver LN2102 ■ General Description LN2102 is a step down LED driver that is designed t...
Datasheet PDF File LN2102 PDF File

LN2102
LN2102

Overview
300KHz, 2A / 23V Step-Down LED Driver LN2102 ■ General Description LN2102 is a step down LED driver that is designed to meet least 2A continuous output current for high power LED application, and utilizes PWM control scheme that switches with 300KHz fixed frequency.
The input voltage range of LN2102 is from 4.
2V to 23V.
It is suitable for series-parallel 1W, 3W, or 5W high power LED application due to the high operation voltage and output capability.
At 12V input voltage, this device can drive up to 15pcs 1W LED(3S-5P) with constant 350mA LED current.
The PWM control circuit is able to very the duty ratio linearly from 0 up to 100%.
This device also contains an error amplifier circuit as well as a soft-start circuit that prevents overshoot at startup.
An enable function, an over current protect function and a short circuit protect function are built inside, and when OCP or SCP happens, the operation frequency will be reduced from 300KHz to 60KHz.
Also, an internal compensation bloc...


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