Analog Technologies, Inc. AT3408
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.90 | $1.90 |
| 15+ | $1.84 | $27.60 |
| 25+ | $1.80 | $45.00 |
| 50+ | $1.70 | $85.00 |
| 100+ | $1.50 | $150.00 |
| N+ | $0.30 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Analog Technologies, Inc. |
| Product Series | |
| Packaging | Bulk | |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.5V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.6V |
| Voltage - Output (Max) | 5.5V |
| Current - Output | 1A |
| Frequency - Switching | 1.5MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| ROHS |  |
The Analog Technologies AT3408 is a 1A synchronous step-down DC-DC converter with an adjustable output from 0.6V to 5.5V. It operates from a 2.5V to 5.5V input, making it versatile for various power sources. The 1.5MHz switching frequency allows for small external components, reducing the overall solution size. Its high efficiency makes it suitable for battery-powered and low-voltage applications.
- Adjustable Output: Output can be set from 0.6V to 5.5V, providing flexibility for different load requirements.
- High Efficiency: Synchronous rectification ensures high efficiency, reducing heat and extending battery life.
- Compact Package: The SOT-753 package is small, ideal for space-limited designs.
- Fast Switching: 1.5MHz frequency enables small inductors and capacitors, saving board space.
Portable Consumer Electronics
The AT3408 is well-suited for portable devices like MP3 players and digital cameras, stepping down from a 5V USB supply or Li-Ion battery to a lower voltage. Its 1A output handles moderate loads.
Embedded Systems
For microcontroller-based systems with a 5V rail, this converter provides an adjustable output down to 0.6V for logic and I/O, with a 1.5MHz frequency enabling a compact design.
Battery-Powered Toys
In battery-operated toys, the AT3408 efficiently regulates voltage from 3-4 AA batteries, providing a stable supply for motors and control electronics.
LED Drivers
With an adjustable output up to 5.5V, it can be configured as a constant-current LED driver for small displays or indicators.
Networking Peripherals
In USB-powered peripherals like hubs and adapters, the AT3408 steps down the 5V bus to 3.3V or lower for internal circuitry.
- Q: What type of converter is the AT3408?
- A: It is a Buck (step-down) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 2.5V to 5.5V.
- Q: What is the output voltage range?
- A: The output voltage is adjustable from 0.6V to 5.5V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is 1.5MHz.
- Q: What package is available?
- A: It comes in an SC-74A (SOT-753) package.
AT3408.pdf
- Q: What type of converter is the AT3408?
- A: It is a Buck (step-down) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 2.5V to 5.5V.
- Q: What is the output voltage range?
- A: The output voltage is adjustable from 0.6V to 5.5V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is 1.5MHz.
- Q: What package is available?
- A: It comes in an SC-74A (SOT-753) package.
