Linear Technology LTC3411EMS
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $7.02 | $7.02 |
| 15+ | $6.80 | $102.00 |
| 25+ | $6.65 | $166.25 |
| 50+ | $6.28 | $314.00 |
| 100+ | $5.54 | $554.00 |
| N+ | $1.11 | 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 | 1.25A |
| Frequency - Switching | 1MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 10-MSOP |
| ROHS |  |
The LTC3411EMS is a high-efficiency, synchronous step-down DC-DC converter from Linear Technology. It operates from an input voltage between 2.625V and 5.5V, delivering up to 1.25A of continuous output current at voltages as low as 0.8V. Its fixed 1MHz switching frequency enables the use of small, low-cost external components, making it an excellent choice for space-limited portable applications. The device is available in a compact 10-pin MSOP package and is well-suited for battery-powered equipment, point-of-load regulation, and distributed power systems.
- High Efficiency Operation: The internal synchronous switches minimize conduction losses, delivering up to 95% efficiency, which extends battery life in portable devices.
- Compact Solution Size: The 1MHz fixed frequency allows for tiny inductors and capacitors, reducing the overall PCB footprint.
- Wide Output Range: The output can be adjusted from 0.8V to 5V, providing flexibility for various low-voltage logic and processor cores.
- Low Dropout: The 100% duty cycle capability allows the output to remain in regulation even when the input voltage is very close to the output voltage, maximizing usable battery capacity.
Battery-Powered Portable Devices
The LTC3411EMS's 1MHz switching frequency allows for small, low-profile inductors and capacitors, making it ideal for space-constrained portable electronics like handheld instruments and wireless sensors. Its high efficiency extends battery life in devices powered by single-cell Li-Ion or 3-cell alkaline batteries.
Distributed Power Systems
With a 2.625V to 5.5V input range, this buck converter can efficiently step down 3.3V or 5V intermediate bus rails to lower core voltages (down to 0.8V) for DSPs, FPGAs, and microcontrollers in networking and computing equipment.
Point-of-Load (POL) Regulation
The 1.25A output current capability and fast 1MHz transient response make it suitable for POL regulation in multi-rail systems, providing a clean, stable supply close to the load, minimizing board losses and noise.
Industrial Sensor Interfaces
In industrial automation, the LTC3411EMS can power precision analog-to-digital converters (ADCs) and sensor signal chains from a 5V supply, delivering a low-noise 3.3V or lower rail while maintaining high efficiency to reduce thermal stress in sealed enclosures.
Portable Medical Devices
The high efficiency and small solution footprint are critical for battery-operated medical monitors and diagnostic tools. The 1MHz operation enables the use of tiny external components, reducing overall device size and weight.
- Q: What type of converter is the LTC3411EMS?
- A: It is a synchronous step-down (Buck) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 2.625V to 5.5V.
- Q: What is the maximum output current?
- A: The maximum output current is 1.25A.
- Q: What is the switching frequency?
- A: The switching frequency is fixed at 1MHz.
- Q: What package is available?
- A: It comes in a 10-TFSOP or 10-MSOP package.
- Q: What is the output voltage range?
- A: The adjustable output voltage range is 0.8V to 5V.
LTC3411EMS.pdf
- Q: What type of converter is the LTC3411EMS?
- A: It is a synchronous step-down (Buck) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 2.625V to 5.5V.
- Q: What is the maximum output current?
- A: The maximum output current is 1.25A.
- Q: What is the switching frequency?
- A: The switching frequency is fixed at 1MHz.
- Q: What package is available?
- A: It comes in a 10-TFSOP or 10-MSOP package.
- Q: What is the output voltage range?
- A: The adjustable output voltage range is 0.8V to 5V.
