onsemi NCL31010
The NCL31010 is a member of the onsemi Power over Ethernet Powered Device (PoE−PD) product family and integrates an IEEE 802.3bt PoE−PD interface controller, a dual step−down converter and a buck convertor LED driver. The NCL31010 incorporates all the required functions for operation within a PoE system such as detection, classification and current limiting during the inrush phase. The NCL31010 contains synchronous step−down DC/DC converters for the main 3.3 V system supply as well as an auxiliary supply.| Part No. | NCL31010 |
|---|---|
| Datasheet | NCL31010 Download |
| Manufacturer |  onsemi |
| Description | Complete PoE Connected LED Driver |
| Buy | Stock & Price |
DESCRIPTION
In addition, the NCL31010 also integrates a current mode buck DC/DC controller designed to operate as a LED driver. The LED driver supports both PWM dimming and high−bandwidth analog dimming. The NCL31010 supports high−power applications (up to 90 W PoE).FEATURES
● Fully Supports IEEE 802.3af/at and 802.3bt Specifications● Assigned Power Level Up to 90 W
● Proprietary 100 W+
APPLICATIONS
● Supports Autoclass● HV Maintain Power PWM Output (MPS)
● Integrated 3.3 V Buck Convertor
● Integrated Adjustable Buck Convertor 2.5 − 24 V
● Integrated High Efficiency Buck LED Driver
● Adjustable Switching Frequency 44.4 kHz to 1 MHz
● Deep Dimming to Zero with Accuracy of 0.1% Using Internal Precision 2.4 V Reference
● Best in Class Linearity
● High Modulation Bandwidth (~50 kHz) ♦ Visual Light Communication Capable ♦ Yellow−Dott Compliant
● Internal DIM DAC for Independent LED Control During Micro−controller Re−flashing (Warm Boot)
● Low EMI Reference Design
● I2C/SPI Interface (NCL...
