Technical Summary: 66 400 - Protected N-Channel Logic-Level MOSFET

Overview

The 66 400 is a high-performance, protected N-channel logic-level MOSFET designed for applications requiring efficient power switching and robust protection features. This component integrates advanced MOSFET technology with built-in safeguards to ensure reliable operation in demanding environments. Its logic-level gate drive capability makes it suitable for use with microcontrollers and low-voltage digital circuits, while its protection mechanisms enhance durability and system safety.

This MOSFET is ideal for both industrial and consumer electronics, offering a balance of low on-resistance, fast switching speeds, and thermal stability. The 66 400 is engineered to minimize power losses and maximize efficiency, making it a versatile choice for a wide range of applications.

Features

• Protected N-Channel Design: Built-in protection against overvoltage, overcurrent, and thermal overload.
• Logic-Level Gate Drive: Compatible with 3.3V and 5V microcontroller outputs, eliminating the need for additional gate drive circuitry.
• Low On-Resistance (R_DS(on)): Minimizes conduction losses and improves efficiency.
• Fast Switching Speeds: Enables high-frequency operation, reducing switching losses.
• High Current Handling: Capable of handling significant load currents with minimal voltage drop.
• Thermal Protection: Integrated thermal shutdown prevents damage due to excessive heat.
• ESD Protection: Robust electrostatic discharge protection enhances reliability in sensitive applications.
• Compact Package: Available in industry-standard packages for easy integration into PCB designs.

Applications

The 66 400 is suited for a broad spectrum of applications, including but not limited to:

• Power Management: DC-DC converters, voltage regulators, and load switches.
• Motor Control: H-bridge drivers, brushed and brushless motor drives.
• Automotive Systems: Electronic control units (ECUs), lighting systems, and power distribution.
• Consumer Electronics: Battery-powered devices, portable gadgets, and power supplies.
• Industrial Automation: Relay replacements, solenoid drivers, and actuator controls.
• Renewable Energy: Solar charge controllers and power inverters.

Electrical Characteristics

The following table outlines the key electrical specifications of the 66 400 MOSFET under standard operating conditions (T_A = 25°C unless otherwise noted):

Absolute Maximum Ratings

• Drain-Source Voltage (V_DS): 30V
• Gate-Source Voltage (V_GS): ±20V
• Continuous Drain Current (I_D): 10A
• Pulsed Drain Current (I_DM): 30A
• Power Dissipation (P_D): 2.5W
• Operating Junction Temperature (T_J): -55°C to +150°C
• Storage Temperature (T_STG): -55°C to +150°C

Static Electrical Characteristics

• Threshold Voltage (V_GS(th)): 1.0V to 2.5V
• On-Resistance (R_DS(on)): 25mΩ (max) at V_GS = 4.5V, I_D = 5A
• Gate-Source Leakage Current (I_GSS): ±100nA (max) at V_GS = ±20V
• Drain-Source Leakage Current (I_DSS): 1µA (max) at V_DS = 30V, V_GS = 0V

Dynamic Electrical Characteristics

• Input Capacitance (C_iss): 500pF (typ) at V_DS = 15V, V_GS = 0V
• Output Capacitance (C_oss): 200pF (typ) at V_DS = 15V, V_GS = 0V
• Reverse Transfer Capacitance (C_rss): 50pF (typ) at V_DS = 15V, V_GS = 0V
• Turn-On Delay Time (t_d(on)): 10ns (typ) at V_DD = 15V, I_D = 5A, R_G = 10Ω
• Turn-Off Delay Time (t_d(off)): 20ns (typ) at V_DD = 15V, I_D = 5A, R_G = 10Ω

Package Information

The 66 400 is available in a compact, industry-standard package designed for optimal thermal and electrical performance. The following details outline the package specifications:

TO-220 Package

• Package Type: Through-hole, 3-pin TO-220
• Dimensions: 10.0mm x 15.0mm x 4.5mm (excluding leads)
• Lead Pitch: 2.54mm
• Mounting Style: Vertical or horizontal
• Thermal Resistance (R_θJA): 62°C/W (without heatsink)
• Weight: Approximately 2.0g

SOT-223 Package

• Package Type: Surface-mount, 4-pin SOT-223
• Dimensions: 6.5mm x 7.0mm x 1.6mm
• Lead Pitch: 1.5mm
• Mounting Style: Surface-mount (SMD)
• Thermal Resistance (R_θJA): 83°C/W (without heatsink)
• Weight: Approximately 0.15g

Conclusion

The 66 400 protected N-channel logic-level MOSFET is a highly reliable and efficient component for power switching applications. Its combination of low on-resistance, fast switching, and integrated protection features makes it an excellent choice for designers seeking to enhance system performance and