OB3370N Datasheet





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OB3370N Datasheet - Cost Effective LED Controller

OB3370N   OB3370N  

Datasheet: OB3370N datasheet

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Description: OB3370N Cost Effective LED Controller G ENERAL DESCRIPTION OB3370N is a high in tegrated and cost effective Light Emitt ing Diode (LED) driver optimized for LC D monitor and LCD TV backlight applicat ion. The OB3370N operates in voltage mo de boost topology with fixed frequency to regulate the LED current. The LED cu rrent is sensed through an external cur rent sense resistor. The voltage across the sensing resistor is compared with reference level of 200mV, the error is amplified to control the pulse width of the power switch thus to regulate the current flowing the LED. It offers both internal burst and external low freque ncy PWM (LPWM) dimming methods for a wi de range of dimming control. OB3370N


Manufacture Part Number Description

On-Bright

OB3370N

Cost Effective LED Controller




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