Products
Circuit Protection
Semtech LCDA12C-1
12 V Low-Capacitance, TVS Array
The LCDAxxC-1 is a low capacitance transient voltage suppressor (TVS) diode array. It is designed to protect sensitive CMOS ICs from the damaging effects of ESD and lightning.
Overview
Features
- 12 V operating voltage
- Protects one line pair
- Transient protection for high-speed data lines to
- IEC 61000-4-2 (ESD) ± 15 kV (air), ± 8 kV (contact)
- IEC 61000-4-4 (EFT) 40 A (5/50 ns)
- IEC 61000-4-5 (Lightning) 0.5 kV, 12 A (8/20 µs)
- Configuration optimized for easy board layout
- Low capacitance (< 15 pF) for high-speed interfaces
- Low clamping voltage
- Low leakage current
- Solid-state silicon-avalanche technology
Applications
- ADSL interfaces
- RS-232, RS-422, V.90 interfaces
- Multi-protocol serial transceivers
- High-speed data lines
- Portable electronics
- WAN/LAN equipment
- Wireless systems
Packaging
SOT-143
Order Codes
- LCDA12C-1.TCT: Lead-free, RoHS and WEEE compliant, 3000 pcs. Tape & Reel
Diagrams and Specs
Block Diagram
Click diagram to enlarge
Datasheets and Resources
Application Notes
- Calculating Clamping Voltage at Different Peak Pulse Currents
- Calculating Transient Energy
- Disadvantages of On-Chip Transient Protection
- ESD Protection
- ESD Threat to Semiconductor Devices
- PCB Design Guidelines for ESD Suppression
- Transient Immunity Standards: IEC 61000-4-x
- TVS Diode Selection
- TVS Peak Pulse Power vs. Pulse Duration
- TVS Power Derating vs. Temperature
- Unidirectional and Bidirectional Operation
- What are TVS Diodes?
