Overview
The DVIULC6-4SC6 is a monolithic, application-specific discrete device designed by STMicroelectronics for the protection of high-speed interfaces against Electrostatic Discharge (ESD). This component is tailored to safeguard sensitive chips in various high-speed applications, including DVI, HDMI, IEEE 1394a and b, USB 2.0, Ethernet links, and video lines. Its ultralow line capacitance ensures high signal integrity while providing robust protection against stringent ESD strikes.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Voltage (IEC 61000-4-2) | ±15 kV (air discharge), ±8 kV (contact discharge) | kV |
| Peak Pulse Power | 80 W | W |
| Capacitance (I/O to GND) | 0.6 pF at 825 MHz | pF |
| Capacitance Variation (I/O to GND) | 0.015 pF | pF |
| Capacitance (I/O to I/O) | 0.3 pF at 825 MHz | pF |
| Capacitance Variation (I/O to I/O) | 0.007 pF | pF |
| Reverse Breakdown Voltage | 6 V | V |
| ESD Clamping Voltage | 12 V (IPP = 1 A, tp = 8/20 μs), 17 V (IPP = 5 A, tp = 8/20 μs) | V |
| Package | SOT23-6L | |
| Operating Temperature Range | -40 to +150 °C | °C |
| Storage Temperature Range | -65 to +125 °C | °C |
| RoHS Compliance | Ecopack2 |
Key Features
- 4-line ESD protection compliant with IEC 61000-4-2 level 4
- Protects VBUS when applicable, allowing ESD current to flow to ground during an ESD event on the data line
- Ultralow capacitance: 0.6 pF at 825 MHz for high signal integrity
- Fast response time compared to varistors
- Optimized rise and fall times for maximum data integrity
- Consistent D+ / D- signal balance with optimum capacitance matching tolerance
- Low PCB space occupation: 9 mm²
- Low leakage current for longer operation of battery-powered devices
- Higher reliability offered by monolithic integration
- Complies with MIL STD883G-Method 3015-7 and IEC 61000-4-2 level 4 standards
Applications
- DVI and HDMI ports up to 1.65 Gb/s
- IEEE 1394a and b interfaces
- USB 2.0 ports up to 480 Mb/s (high speed), backwards compatible with USB 1.1 low and full speed
- Ethernet ports: 10/100/1000 Mb/s
- SIM card protection
- Video line protection
Q & A
- What is the primary function of the DVIULC6-4SC6?
The DVIULC6-4SC6 is designed to provide ESD protection for high-speed interfaces such as DVI, HDMI, IEEE 1394, USB 2.0, Ethernet links, and video lines.
- What are the key specifications of the DVIULC6-4SC6 in terms of ESD protection?
The component offers ±15 kV air discharge and ±8 kV contact discharge protection according to IEC 61000-4-2 level 4 standards.
- What is the capacitance of the DVIULC6-4SC6?
The capacitance is 0.6 pF at 825 MHz.
- What package type does the DVIULC6-4SC6 come in?
The component is packaged in a SOT23-6L package.
- Is the DVIULC6-4SC6 RoHS compliant?
- What are the operating and storage temperature ranges for the DVIULC6-4SC6?
The operating temperature range is -40 to +150 °C, and the storage temperature range is -65 to +125 °C.
- How does the DVIULC6-4SC6 ensure signal integrity?
The component ensures high signal integrity through its ultralow line capacitance and optimized rise and fall times.
- What are some of the applications where the DVIULC6-4SC6 can be used?
The DVIULC6-4SC6 can be used in DVI and HDMI ports, IEEE 1394 interfaces, USB 2.0 ports, Ethernet ports, SIM card protection, and video line protection.
- How does the layout of the PCB affect the ESD protection provided by the DVIULC6-4SC6?
The layout of the PCB is crucial for efficient ESD protection. Short tracks from the VBUS pin to the power supply and ground are recommended to avoid overvoltages due to parasitic phenomena.
- What is the reverse breakdown voltage of the DVIULC6-4SC6?
The reverse breakdown voltage is 6 V.
