Analog Devices Inc. LTC3548AEMSE#PBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $7.10 | $7.10 |
| 15+ | $6.87 | $103.05 |
| 25+ | $6.72 | $168.00 |
| 50+ | $6.35 | $317.50 |
| 100+ | $5.60 | $560.00 |
| N+ | $1.12 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Analog Devices Inc. |
| Product Series | |
| Packaging | Tube | |
| Function | Step-Down, Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Buck, Buck-Boost |
| Output Type | Adjustable |
| Number of Outputs | 2 |
| Voltage - Input (Min) | 2.5V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.6V |
| Voltage - Output (Max) | 5V |
| Current - Output | 400mA, 800mA |
| Frequency - Switching | 2.25MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad |
| Supplier Device Package | 10-MSOP-EP |
| ROHS |  |
The LTC3548AEMSE#PBF is a dual-channel, high-frequency DC-DC converter from Analog Devices. It integrates two independent regulators that can be configured as either Buck or Buck-Boost converters, offering great design flexibility. The input voltage range of 2.5V to 5.5V is ideal for single-cell Li-Ion battery applications. Each channel delivers a distinct output current, with one rated at 400mA and the other at 800mA. Operating at a fixed 2.25MHz switching frequency, it enables the use of very small inductors and capacitors, resulting in a compact power solution. This makes it an excellent choice for portable electronics, dual-rail systems, and other space-constrained applications.
- Dual-Channel Flexibility: Two independent converters in one package can be configured as Buck or Buck-Boost, simplifying multi-rail designs.
- Compact Solution Size: The 2.25MHz switching frequency allows for the use of tiny, low-profile external components, saving significant board space.
- Extended Battery Life: Buck-Boost capability ensures a stable output voltage even when the battery voltage is low, extracting more energy from the cell.
- High Efficiency: Internal synchronous switches provide high conversion efficiency, reducing heat generation and power loss in portable devices.
Battery-Powered Portable Devices
With an input range of 2.5V to 5.5V, the LTC3548AEMSE#PBF is perfect for devices powered by single-cell Li-Ion batteries. Its high 2.25MHz frequency allows for a compact design, ideal for space-constrained wearables and handhelds.
Dual-Rail Power Supplies
The dual-channel architecture provides two independent output rails from a single input. This is ideal for powering both the core logic (e.g., 1.2V) and I/O (e.g., 3.3V) of an FPGA or microcontroller, simplifying the power tree.
Buck-Boost for Extended Battery Life
When configured as a Buck-Boost, the converter can maintain a regulated output voltage even as the battery voltage drops below the output voltage. This maximizes the usable battery capacity in devices with a 3.3V rail.
Portable Medical Devices
The high efficiency and small footprint make it suitable for portable medical monitors and diagnostic tools, where battery life and size are critical factors.
Networking and Communication Modules
In low-power wireless modules (e.g., Bluetooth, Zigbee), the LTC3548A can efficiently provide separate power rails for the RF transceiver and the digital baseband processor, minimizing noise interference.
Solid-State Drives (SSDs)
The dual outputs can power the controller and NAND flash memory in an SSD, providing clean and efficient power from a 3.3V or 5V supply.
- Q: What type of converter is the LTC3548AEMSE#PBF?
- A: It is a dual-channel regulator with two independent converters that can be configured as Buck or Buck-Boost converters.
- Q: What is the input voltage range?
- A: The input voltage range is from 2.5V to 5.5V, making it ideal for battery-powered and low-voltage systems.
- Q: What is the maximum output current?
- A: The two channels provide a maximum output current of 400mA and 800mA, respectively.
- Q: What is the switching frequency?
- A: It operates at a high fixed frequency of 2.25MHz, allowing for the use of tiny, low-profile external components.
- Q: What package is this device available in?
- A: It is available in a compact 10-lead MSOP package with an exposed pad for improved thermal performance.
LTC3548AEMSE#PBF.pdf
- Q: What type of converter is the LTC3548AEMSE#PBF?
- A: It is a dual-channel regulator with two independent converters that can be configured as Buck or Buck-Boost converters.
- Q: What is the input voltage range?
- A: The input voltage range is from 2.5V to 5.5V, making it ideal for battery-powered and low-voltage systems.
- Q: What is the maximum output current?
- A: The two channels provide a maximum output current of 400mA and 800mA, respectively.
- Q: What is the switching frequency?
- A: It operates at a high fixed frequency of 2.25MHz, allowing for the use of tiny, low-profile external components.
- Q: What package is this device available in?
- A: It is available in a compact 10-lead MSOP package with an exposed pad for improved thermal performance.
