LT3494 (5)
The LT3494 is available from Analog Devices at Xecor. Designed for micropower low noise boost conversion with output disconnect, the LT3494 offers key features such as low quiescent current (65µA in active mode, 1µA in shutdown), non-audible switching frequency over the entire load range, and integrated power NPN, Schottky diode, and output disconnect. Available in a compact 8-lead 3mm × 2mm DFN package, it is ideal for applications like OLED power, low noise power supplies, and MP3 players. Whether used in portable electronics or audio devices, this series ensures high efficiency, low noise, and reliable performance for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the LT3494 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| LT3494AEDDB | Linear Technology 3494AEDDB | DFN-8 | 5,917 | |
| LT3494EDDB#TRMPBF | 027A Adjustable | DFN-8 | 6,380 | |
| LT3494AEDDB#TRMPBF | Conv DC-DC 2.3V to 16V Step Up Single-Out 40V 8-Pin DFN EP T/R | SON-8 | 4,197 | |
| LT3494EDDB#TRPBF | Conv DC-DC 2.3V to 16V Step Up Single-Out 40V 8-Pin DFN EP T/R | DFN-8 | 8,717 | |
| LT3494AEDDB#TRPBF | Conv DC-DC 2.3V to 16V Step Up Single-Out 40V 8-Pin DFN EP T/R | DFN-8 | 6,032 |
Key Featrues
Integrated Output Disconnect: The built-in output disconnect circuitry allows the output voltage to be completely isolated from the input during shutdown, preventing any leakage current and ensuring efficient power management in standby or off states.
Wide Input and Output Voltage Range: The device supports an input voltage range of 2.3V to 16V and an output voltage range of up to 40V, providing flexibility in various applications and enabling it to handle a wide array of power sources and loads.
Non-Audible Switching Frequency: The control technique ensures that the switching frequency remains above the audio band across the entire load range, eliminating audible noise and making it suitable for noise-sensitive applications like audio devices and medical equipment.
Compact DFN Package: The LT3494/LT3494A come in a tiny 8-lead 3mm × 2mm DFN package, offering a compact footprint that is perfect for space-constrained designs while maintaining robust performance and thermal efficiency.
Applications
Low Noise Power for Audio Devices: The LT3494/LT3494A is perfect for low noise power supply applications in audio devices, such as MP3 players and portable speakers. Its high efficiency and non-audible switching frequency ensure minimal interference with audio signals, providing a clean power source for high-fidelity sound reproduction.
Portable Medical Devices: The LT3494/LT3494A is well-suited for portable medical devices, such as blood glucose monitors or pulse oximeters. Its low quiescent current and wide input/output voltage range make it ideal for battery-powered applications, ensuring long operational life and reliable performance in critical healthcare environments.
Industrial Sensor Power Management: The LT3494/LT3494A is an excellent choice for powering sensors in industrial environments, such as pressure or temperature sensors. Its integrated output disconnect and adjustable output voltage allow for precise control and isolation, making it suitable for harsh industrial conditions where reliability and accuracy are paramount.
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