MT3420B 2A 1.5MHz Sync Buck Converter IC SOT-23-6 – 10 Pack

MT3420B 1.5MHz 2A Synchronous Buck Converter – 10-Pack (SOT-23-6)

Get reliable voltage regulation in a compact SOT-23-6 package with this 10-piece lot of MT3420B Synchronous Buck Converter ICs. Operating at a fixed 1.5MHz switching frequency and delivering up to 2A of continuous output current, the MT3420B is an excellent choice for engineers and hobbyists designing efficient step-down power supply circuits for portable devices, IoT modules, embedded systems, and more.

Each chip is brand new and sourced from a quality-controlled supply chain, giving you peace of mind for your prototyping or production builds. The high switching frequency allows the use of smaller external inductors and capacitors, minimizing board space and overall BOM cost.

Made in Mainland China.

Key Features

• Package: SOT-23-6 – compact and easy to hand-solder or reflow
• Switching Frequency: Fixed 1.5MHz for minimal external component size
• Output Current: Up to 2A continuous
• Type: Synchronous Step-Down (Buck) Voltage Regulator
• Condition: 100% New, genuine components
• Quantity: 10 pieces per order
• High-Concern Chemicals: None

Typical Applications

• Portable consumer electronics power stages
• IoT and wireless sensor node power supplies
• Microcontroller and DSP board power rails
• Battery-powered embedded systems
• Industrial control module power management

Package Contents

• 10 × MT3420B Synchronous Buck Converter IC (SOT-23-6)

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Frequently Asked Questions

Q: What is the MT3420B synchronous buck converter IC used for?

A: The MT3420B is a synchronous step-down (buck) voltage regulator IC in a SOT-23-6 package. It is designed to efficiently convert a higher DC input voltage to a lower regulated DC output voltage at up to 2A continuous current. It is widely used in portable electronics, IoT devices, microcontroller power rails, and embedded system power management circuits.

Q: Why does the MT3420B operate at 1.5MHz switching frequency?

A: The fixed 1.5MHz switching frequency allows designers to use smaller external passive components — particularly inductors and capacitors — which reduces PCB footprint and overall bill-of-materials cost. The higher frequency also helps push switching noise well above the audible range, which is beneficial in noise-sensitive applications.

Q: Are these MT3420B chips new or refurbished?

A: All 10 pieces in this lot are brand new integrated circuits. They have not been used, refurbished, or pulled from boards, making them suitable for both prototyping and production environments.

Q: What package does the MT3420B come in?

A: The MT3420B comes in the SOT-23-6 surface-mount package, which is small, lightweight, and compatible with both reflow soldering and careful hand-soldering techniques commonly used in electronics assembly.