20PCS M3406-ADJ 1.5MHz 800mA Sync Buck Converter IC SOT-23-5
20PCS M3406-ADJ 1.5MHz 800mA Sync Buck Converter IC SOT-23-5
M3406-ADJ Synchronous Buck Converter Chip – 20-Piece Pack
Get reliable, high-efficiency DC-DC power conversion with this 20-piece pack of the M3406-ADJ Synchronous Buck Converter IC. Operating at 1.5MHz switching frequency with an 800mA output current, this compact SOT-23-5 package is ideal for engineers, hobbyists, and electronics professionals who need consistent voltage regulation in tight PCB layouts.
Key Features
- Adjustable Output Voltage: The ADJ variant allows flexible output voltage configuration to suit a wide range of circuit designs.
- 1.5MHz Switching Frequency: High-frequency operation enables the use of smaller external inductors and capacitors, reducing board space.
- 800mA Continuous Output Current: Delivers stable power for microcontrollers, sensors, and low-power modules.
- Synchronous Buck Topology: Internal synchronous rectification improves conversion efficiency and reduces heat generation compared to diode-based designs.
- SOT-23-5 Package: Industry-standard small-outline package for surface-mount applications — easy to solder and space-efficient.
- New Condition: All 20 units are brand new, ensuring consistent performance and reliability.
- Pack of 20: Great value for prototyping, production runs, or keeping spares on hand.
Specifications
| Part Number | M3406-ADJ |
| Type | Synchronous Buck Converter (Voltage Regulator) |
| Switching Frequency | 1.5MHz |
| Output Current | 800mA |
| Package | SOT-23-5 |
| Output Voltage | Adjustable (ADJ) |
| Condition | New |
| Quantity | 20 PCS |
| Country of Origin | Made in Mainland China |
Ideal Applications
- Embedded systems and microcontroller power supplies
- IoT devices and wireless sensor nodes
- Portable electronics and battery-powered designs
- PCB prototyping and custom power management circuits
- Low-voltage DC-DC conversion stages
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Frequently Asked Questions
Q: What is the M3406-ADJ synchronous buck converter IC used for?
A: The M3406-ADJ is a synchronous step-down (buck) converter integrated circuit used to efficiently convert a higher DC input voltage to a lower, adjustable DC output voltage. It is commonly used in embedded systems, IoT devices, portable electronics, and custom PCB power supply designs requiring up to 800mA of output current.
Q: What does the SOT-23-5 package mean for this IC?
A: SOT-23-5 refers to the physical package format of the chip — a Small Outline Transistor package with 5 pins. It is a standard surface-mount (SMD) package widely used in compact PCB designs. It is straightforward to hand-solder or reflow-solder onto a PCB, making it suitable for both prototyping and production.
Q: Why is a 1.5MHz switching frequency beneficial in a buck converter?
A: A higher switching frequency like 1.5MHz allows you to use physically smaller external components — particularly inductors and capacitors — which saves valuable PCB real estate and can reduce overall bill-of-materials cost. It also helps achieve faster transient response in the power supply circuit.
Q: Are all 20 ICs in this pack guaranteed to be new and authentic?
A: Yes. This listing is for 20 brand-new M3406-ADJ ICs in new condition, ensuring consistent electrical characteristics and reliable performance across all units in the pack.