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DC-DC Converter For Harsh Industrial Applications
These converters power everything from trains and robots to tough industrial systems and battery devices. But what makes them different? Find out inside.
TDK Corporation has expanded its TDK-Lambda CCG series of 1.5W to 10W isolated DC-DC converters with two new options. A two-sided board coating is now available for added protection in harsh environments, such as rail and industrial applications. Additionally, a larger 40-piece tray size has been introduced to simplify placement of surface mount models.
The series includes 144 voltage and current combinations, offering 3.3V, 5V, 12V, 15V, and dual +/-12V and +/-15V outputs. Dual output models can also be configured to provide single 24V or 30V outputs. The converters support a wide input range of 4.5 to 18V, 9 to 36V, or 18 to 76Vdc, making them compatible with 5V, 12V, 24V, and 48V DC power sources. Their 4:1 input range helps simplify inventory management by covering multiple nominal input voltages with a single part number.
The 1.5W and 3W models measure 15.7 x 10.4mm, while the 6W and 10W versions are 19 x 12.4mm. The plastic case is not encapsulated, avoiding risks associated with silicone potting compounds during reflow soldering.
Single output models feature a trim function that allows voltage adjustment from -5% to +10% of nominal, compensating for PCB voltage drops. All models include overcurrent protection and a remote on/off function, which can also enable stand-by mode, reducing off-load power consumption to below 0.1W and extending battery life in portable devices.
Some of the key features of the DC-DC converters includes:
Two-sided board coating
Wide 4:1 input ranges
Space-saving package sizes
Certified to IEC 62368-1
Reduced derating at high ambient temperatures
No silicone potting
The CCG series operates in ambient temperatures from -40°C to +100°C with convection or forced air cooling. Input-to-output isolation is rated at 1,500Vdc. The models are certified to IEC/UL/CSA/EN 62368-1 safety standards and carry CE and UKCA marks for Low Voltage and RoHS Directives.