LNK3209GQ-TL

LNK3209GQ-TL is a highly energy efficient switcher IC with integrated system level protection for low component-count power supplies. The LinkSwitch™-TN2 family of IC for automotive power supplies provide significant reduction in component count compared to traditional discrete solutions making it highly reliable. The device family supports buck, buck-boost and flyback converter topologies. This device incorporates a 750V power MOSFET, oscillator, On/Off control, a high-voltage switched current source for self-biasing, frequency jittering, fast (cycle-by-cycle) current limit, hysteretic thermal shutdown, and output and overvoltage protection circuitry onto a monolithic IC. Applications includes auxiliary power supplies for automotive HVAC, climate control, DC/DC converter and on-board charger, emergency power supply for traction inverter.

• Highest performance and design flexibility, enhanced safety and reliability features
• EcoSmart™– extremely energy efficient, excellent load and line regulation
• 66kHz operation with accurate current limit, allows the use of low-cost off-the-shelf inductors
• Reduces size and cost of magnetics and output capacitor
• Pin-out simplifies PCB heat sinking, auto-restart for short-circuit and open loop faults
• Output overvoltage protection (OVP), hysteretic over-temperature protection (OTP)
• Extended creepage between DRAIN pin and all other pins improves field reliability
• AEC-Q100 qualified, frequency jittering reduces EMI filter complexity
• On/Off control provides constant efficiency over a wide load range
• Easily meets all global energy efficiency regulations, no-load consumption <lt/>50mW