ESD protection arrays
12 November 2008
Circuit & System Protection
ON Semiconductor has released two new members of its low capacitance electrostatic discharge (ESD) protection product line – the NUP4016 and the ESD11L5.0D. These new products utilise a patented, integrated ESD protection platform, which enhances clamping performance while maintaining ultra-low capacitance and small die size.
Offered in ultra-small packages that provide a 20% lower profile than previous package versions, they are ideal protection devices for portable applications such as mobile phones, MP3 players, flat panel displays and other high-speed communication applications requiring high protection in an ultra-slim package.
The NUP4016 protects four high-speed data lines in the tiny 1,0 x 1,0 x 0,4 mm SOT-953 package. It also has ultra-low capacitance of 0,5 pF per I/O line which make it suitable for protecting high-speed interfaces such as USB 2.0 high-speed (480 Mbps) and HDMI (1,65 Gbps).
The ESD11L5.0D protects two high-speed data lines at 0,5 pF in the ultra-small 1,0 x 0,6 x 0,37 mm SOT-1123. Integrating ultra-low capacitance technology into a 3-pin package provides designers with a solution to protect the D+ and D- lines of a USB2.0 port with a single device. The device can also be connected cathode to cathode to protect a single bi-directional line at 0,25 pF, ideal for protecting high-frequency RF antenna lines.
Both devices are capable of clamping an input ESD waveform of 15 kV to less than 8 V in a matter of nanoseconds and are free from wearout mechanisms that affect the reliability and performance of passive technologies after multiple surge events such as ESD.
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