Diodes has introduced the AL8860 Hysteresis Mode DC-DC Buck LED Driver, which is designed to efficiently drive a single LED or multiple LEDs in series from a higher voltage source relative to the LED voltage. With its integrated MOSFETs, the product offers low BOM cost solutions for low voltage industrial and automotive LED lighting applications, including lighting signs and backlights, as well as LED retrofits for replacing low voltage halogen lamps.
Figure: Diodes Releases Constant Current DC-DC LED Driver with Low Standby Power Mode, Delivering Up to 40W of Output Power
Operating from a 4.5V to 40V input supply, the AL8860 can deliver up to 1A of output current in a TSOT25 package and up to 1.5A in a higher heat dissipation MSOP8-EP package. The AL8860 is capable of delivering up to 40W of output power, depending on the supply voltage and external components.
In addition to the integrated 40V/0.2Ω power MOSFET power switch, the device also integrates a high-side output current sense circuit that allows a single external resistor to be used to set the nominal average output current. Deep dimming (0% to 100%) can be done by using the DC voltage or the CTRL pin of the PWM signal. The same pin also implements a soft-start operation, and the time is adjusted by an external capacitor. Applying a voltage of 0.2V or less to this pin will turn off the output and put the device into a power-saving standby state. (Compile / Allen Yin)
Gaming Headphones is a headset suitable for playing games. For game users, a game headset with excellent performance can allow players to experience the immersive feeling in the game. For competitive game players, the game headset can also assist game players and enhance combat effectiveness.
In the case of headphone use, we found that game use would be a large part of the demand, especially the need to use a pure headset to get better listening effect when both music and games are in use.
Compared with music headphones, Wired Game Headphones pay more attention to sound field and positioning sense (for example, shooting and shootout games need positioning), and the amount and intensity of low frequency are aggravated, so as to meet the user's experience of game sound effects. Music headphones, in essence, pay more attention to sound quality. The effect in the right range is super good, with pure sound quality and penetrating sound.
Among the many headsets, Wireless Gaming Headphone have the advantage of sensitivity. The relatively closed listening environment is also more conducive to game players to feel the details of the sound and improve their judgment of the sound. Therefore, compared with traditional headsets, gaming headsets have more advantages in positioning ability, can better express the sense of direction of sound, and are more suitable for 3D games to express sound clearly. In addition, player-oriented game headsets are often enhanced with low-frequency volume sensing to facilitate the game's plot and make it easier for players to immerse themselves in the game.
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