Fairchild (onsemi)

FDC6420C

FDC6420C Description

The FDC6420C from Fairchild (onsemi) is a dual-channel N/P-channel PowerTrench MOSFET designed for small-signal switching applications. Built with Silicon (Si) technology, it offers a 20V drain-source breakdown voltage (Vds) and low Rds(on) of 70 mOhms, ensuring efficient power handling with minimal conduction losses. The device operates within a temperature range up to +150°C, making it suitable for demanding environments. Packaged in a compact SMD/SMT form factor (2.9mm x 1.6mm x 1.1mm), it is optimized for space-constrained PCB designs.

FDC6420C Features

• Dual N/P-Channel Configuration: Enables complementary switching in a single package, reducing board space and simplifying design.
• Fast Switching Performance: Features low gate charge (Qg: 4.6 nC/3.7 nC) and rapid rise/fall times (7 ns/12 ns), ideal for high-frequency applications.
• Low Threshold Voltage (Vgs th: 500 mV/600 mV): Ensures compatibility with low-voltage logic circuits.
• PowerTrench Technology: Delivers low on-resistance (Rds(on)) and high forward transconductance (10 S/6 S) for improved efficiency.
• RoHS Compliant: Meets environmental standards for lead-free manufacturing.

FDC6420C Applications

The FDC6420C excels in:

• Power Management Circuits: DC-DC converters, load switches, and battery protection systems.
• Portable Electronics: Smartphones, tablets, and wearables due to its compact size and low power dissipation (960 mW).
• Motor Control: H-bridge configurations for small motors in robotics or automotive subsystems.
• High-Speed Switching: USB power delivery, LED drivers, and other applications requiring fast transient response.

Conclusion of FDC6420C

The FDC6420C stands out for its dual-channel design, low Rds(on), and fast switching capabilities, making it a versatile choice for modern power electronics. Its PowerTrench technology ensures high efficiency, while the SMD package caters to miniaturized designs. Whether for battery-powered devices or high-frequency switching, this MOSFET delivers reliable performance in a compact footprint.