Linear Technology LTC3412IFE
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $24.92 | $24.92 |
| 15+ | $5.73 | $85.95 |
| 25+ | $5.61 | $140.25 |
| 50+ | $5.30 | $265.00 |
| 100+ | $4.67 | $467.00 |
| N+ | $0.93 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Linear Technology |
| Product Series | |
| Packaging | Bulk | |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.625V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 5V |
| Current - Output | 2.5A |
| Frequency - Switching | 300kHz ~ 4MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad |
| Supplier Device Package | 16-TSSOP-EP |
The LTC3412IFE is a high-efficiency synchronous step-down DC-DC converter from Linear Technology, capable of delivering up to 2.5A of continuous output current. It accepts an input voltage from 2.625V to 5.5V and provides an adjustable output from 0.8V to 5V. The switching frequency is programmable from 300kHz to 4MHz, enabling designers to optimize for efficiency or component footprint. Packaged in a 16-TSSOP with exposed pad, this converter is well-suited for battery-powered portable devices, point-of-load regulation, and industrial applications where space and thermal performance are critical.
- Synchronous Rectification for High Efficiency: Eliminates external Schottky diode, improving efficiency up to 95%.
- Wide Programmable Frequency (300kHz-4MHz): Allows trade-off between efficiency and small external components.
- High Output Current (2.5A): Supports demanding loads like processors and FPGAs.
- Low Input Voltage Operation (2.625V): Compatible with single-cell Li-Ion batteries and low-voltage rails.
Portable Electronics and Handheld Devices
With a 2.625V to 5.5V input range and 2.5A output, the LTC3412 is perfect for powering processors, FPGAs, and memory in smartphones, tablets, and portable media players, maximizing battery life through high-efficiency synchronous operation.
Point-of-Load (POL) Converters
In computing and networking systems, this converter steps down 3.3V or 5V rails to lower core voltages (down to 0.8V) for DSPs, ASICs, and logic, with fast transient response.
USB-Powered Devices
The LTC3412 can regulate 5V USB input down to 3.3V or 1.8V for peripheral devices, sensors, and wireless modules, providing clean and stable power.
Battery-Operated Medical Devices
Its low quiescent current and high efficiency at light loads extend the runtime of glucose monitors, hearing aids, and wearable health trackers powered by single-cell Li-Ion batteries.
Industrial Control Systems
For 3.3V or 5V logic rails in PLCs and industrial sensors, the LTC3412 offers a compact, high-current solution with programmable frequency to avoid interference.
Distributed Power Systems
As a secondary-stage converter, it efficiently generates low-voltage rails from an intermediate 5V bus in telecom and server applications.
- Q: What type of converter is the LTC3412IFE?
- 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 2.625V to 5.5V.
- Q: What is the output voltage range?
- A: The output voltage is adjustable from 0.8V up to 5V.
- Q: What is the maximum output current?
- A: The maximum output current is 2.5A.
- Q: What is the switching frequency?
- A: The switching frequency is programmable from 300kHz to 4MHz.
- Q: What package is available?
- A: It comes in a 16-TSSOP package with an exposed pad.
- Q: What type of converter is the LTC3412IFE?
- 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 2.625V to 5.5V.
- Q: What is the output voltage range?
- A: The output voltage is adjustable from 0.8V up to 5V.
- Q: What is the maximum output current?
- A: The maximum output current is 2.5A.
- Q: What is the switching frequency?
- A: The switching frequency is programmable from 300kHz to 4MHz.
- Q: What package is available?
- A: It comes in a 16-TSSOP package with an exposed pad.

LTC3412IFE.pdf