Analog Devices Inc. LTC3412AIUF#TRPBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $28.15 | $28.15 |
| 15+ | $6.48 | $97.20 |
| 25+ | $6.34 | $158.50 |
| 50+ | $5.98 | $299.00 |
| 100+ | $5.28 | $528.00 |
| N+ | $1.06 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Analog Devices Inc. |
| Product Series | |
| Packaging | Tape & Reel (TR) | |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.25V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 5V |
| Current - Output | 3A |
| Frequency - Switching | 300kHz ~ 4MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 16-WQFN Exposed Pad |
| Supplier Device Package | 16-QFN (4x4) |
| ROHS |
The LTC3412A is a synchronous step-down DC-DC converter from Analog Devices, offering up to 3A of output current. It operates from an input voltage of 2.25V to 5.5V and provides an adjustable output from 0.8V to 5V. The switching frequency is programmable from 300kHz to 4MHz via an external resistor, allowing designers to trade off efficiency against external component size. This flexibility makes it suitable for a wide range of applications, including portable devices, networking equipment, and industrial control systems.
- Programmable Frequency: The 300kHz to 4MHz range allows optimization for either maximum efficiency or minimal solution footprint.
- High Efficiency: Internal synchronous switches achieve efficiencies up to 95%, reducing power dissipation and extending battery life.
- Wide Output Range: Output from 0.8V to 5V supports various logic and I/O voltage requirements.
- Compact Package: The 16-lead WQFN package with exposed pad provides excellent thermal performance in a small area.
Portable and Handheld Devices
The LTC3412A's wide frequency range (300kHz to 4MHz) allows designers to optimize for efficiency or component size. It is ideal for powering processors and peripherals in smartphones, tablets, and portable instruments from a 3.3V or 5V rail.
Distributed Power Systems
As a point-of-load converter, the LTC3412A can step down a 5V intermediate bus to lower voltages for logic, memory, and I/O circuits, providing excellent regulation and transient response.
Networking and Communications Equipment
In routers, switches, and base stations, this converter powers FPGAs, ASICs, and line-driver circuits, where its high efficiency helps manage thermal loads in dense enclosures.
Industrial Control Systems
The LTC3412A operates reliably in industrial environments, providing stable power for microcontrollers, sensors, and communication interfaces in PLCs and process control equipment.
Automotive Infotainment
With an input range covering 3.3V and 5V rails, this buck converter can power infotainment processors and displays, benefiting from its small footprint and high efficiency.
- Q: What type of converter is the LTC3412A?
- A: It is a synchronous step-down (Buck) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is from 2.25V to 5.5V.
- Q: What is the output voltage range?
- A: The output voltage is adjustable from 0.8V to 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of continuous output current.
- Q: What is the switching frequency?
- A: It operates at a frequency between 300kHz and 4MHz, set by an external resistor.
- Q: What package is available?
- A: It comes in a 16-lead WQFN exposed pad package.
- Q: What type of converter is the LTC3412A?
- A: It is a synchronous step-down (Buck) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is from 2.25V to 5.5V.
- Q: What is the output voltage range?
- A: The output voltage is adjustable from 0.8V to 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 3A of continuous output current.
- Q: What is the switching frequency?
- A: It operates at a frequency between 300kHz and 4MHz, set by an external resistor.
- Q: What package is available?
- A: It comes in a 16-lead WQFN exposed pad package.

LTC3412AIUF#TRPBF.pdf