The SI1553DL from Vishay is a P-Channel 20-V (D-S) MOSFET in a tiny PowerPAK® SC-70 package. This MOSFET is designed for load switching and level shifting applications where space is at a premium. Its low on-resistance enables efficient power management in portable devices.

Applications

• Load Switching
• Level Shifting
• Portable Devices
• Battery Management Systems
• DC-DC Conversion

Features

• Low On-Resistance: Typical R<sub>DS(on) values of 0.055 Ω at V<sub>GS = -4.5 V and 0.080 Ω at V<sub>GS = -2.5 V
• Low Threshold Voltage: V<sub>GS(th) of -0.45 V (typical) facilitates operation in low-voltage logic circuits.
• Compact Package: PowerPAK® SC-70 (2 mm x 2 mm) offers significant space savings.
• Lead (Pb)-free and Halogen-free: RoHS compliant for environmental friendliness.

Benefits

• Improved Power Efficiency: Lower R<sub>DS(on) minimizes power losses, extending battery life in portable applications.
• Space Saving: Ultra-small footprint enables high-density circuit designs.
• Simplified Logic Interface: Low threshold voltage allows direct drive from low-voltage microcontrollers.
• Environmentally Compliant: Meets stringent environmental standards.

Technical Specifications

• Polarity: P-Channel
• Voltage, V<sub>DS: -20 V
• Continuous Drain Current, I<sub>D: -3.8 A
• Gate-Source Voltage, V<sub>GS: ±12 V
• Operating Temperature: -55 °C to +150 °C
• Package: PowerPAK® SC-70