3120 SMD IC – High-Speed MOSFET Driver IC (ADP3120A) 12V Synchronous Buck Gate Driver for Power Supply Circuits

Description

The 3120 SMD IC (ADP3120A) is a high-speed, surface-mount MOSFET gate driver designed for use in synchronous buck converters and high-efficiency DC-DC power supplies. This SMD version offers compact size, excellent thermal performance, and reliable high-frequency operation, making it ideal for both professional electronics and DIY projects.

At Rafiq Electronics, this premium 3120 SMD MOSFET Driver IC is available for engineers, technicians, and hobbyists who need stable, high-speed switching performance in compact circuit designs.

⚙️ Key Features

✔️ SMD Package (SOP-8 / SOT-223) – Easy to solder, compact, and thermally efficient design for modern PCBs.
✔️ High-Speed Gate Driving – Drives both high-side and low-side MOSFETs for synchronous buck converter circuits.
✔️ Wide Input Voltage Range – Operates from 5 V – 12 V DC, ideal for most power supply and controller circuits.
✔️ Bootstrap Circuitry Built-In – Supports high-side MOSFET switching up to 35 V.
✔️ Undervoltage Lockout (UVLO) – Ensures stable operation and protects MOSFETs from low-voltage damage.
✔️ Low Propagation Delay (~25 ns) – Allows for high-frequency power switching, improving overall efficiency.
✔️ Thermal & Over-current Protection – Adds extra reliability in demanding environments.
✔️ Compatible with CPU VRM & Power Management Designs – Used in PC motherboards, power regulators, and telecom systems.

🔍 Technical Specifications

• Part Number: ADP3120A / 3120 SMD IC

• Type: High-speed dual MOSFET gate driver IC

• Package: SMD (SOP-8) Surface-Mount Design

• Operating Voltage: 4.6 V to 13.2 V

• Bootstrap Voltage: Up to 35 V DC

• Output Current: Up to 2 A peak drive capability

• Frequency: Up to 1 MHz switching speed

• Operating Temperature: −40 °C to +125 °C

💡 Applications

• DC-DC Synchronous Buck Converters

• Computer Motherboards & CPU VRMs

• Power Supply Design and Repair Projects

• High-Speed Switching Converters

• DIY and Science Projects

• Industrial and Telecom Power Modules

✅ Why Choose 3120 SMD MOSFET Driver IC?

This compact SMD driver IC offers exceptional switching speed and efficiency while maintaining a small footprint, perfect for modern PCBs. Whether you are designing a power supply, repairing a motherboard, or developing an automation project, this IC delivers stable output, reduced heat, and long-term reliability.

For those seeking original and reliable IC components, Rafiq Electronics provides high-quality 3120 SMD MOSFET Driver ICs tested for consistency and durability — ideal for both professional and DIY use.