LT3694 (11)
The LT3694 is available from Analog Devices at Xecor. Designed for efficient power management and regulation, the LT3694 offers a wide input voltage range of 4V to 36V, a 2.6A output switching regulator, and dual low dropout linear regulator controllers. Available in multiple package options, including the 20-pin TSSOP-EP, it is ideal for applications in automotive, industrial, DSL and cable modems, distributed power regulation, and wall transformer regulation. Whether used in automotive systems or industrial power supplies, this series ensures high performance, scalability, and efficiency for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the LT3694 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| LT3694EUFD-1#TRPBF | This compact DC-DC converter offers a wide input range of to V and outputs a stable voltage from V to V, making it suitable for various application | QFN-28 | 9,740 | |
| LT3694EUFD#PBF | Low-power consumption and high reliability assured | QFN-28 | 5,853 | |
| LT3694EFE#PBF | Packaged in 20-pin TSSOP EP tube | TSSOP-20 | 2,103 | |
| LT3694EFE#TRPBF | Conv DC-DC 4V to 36V Step Down Single-Out 0.75V to 16V 2.6A 20-Pin TSSOP EP T/R | TSSOP-20 | 8,523 | |
| LT3694EUFD-1#PBF | Conv DC-DC 4V to 36V Step Down Single-Out 0.75V to 16V 2.6A 28-Pin QFN EP Tube | QFN-28 | 9,148 | |
| LT3694EUFD#TRPBF | Mono Buck Regulator with 36V Input and 2.6A Output, Integrated with Dual LDOs | QFN-28 | 7,038 | |
| LT3694EFE-1#TRPBF | Conv DC-DC 4V to 36V Step Down Single-Out 0.75V to 16V 2.6A 20-Pin TSSOP EP T/R | TSSOP-20 | 5,754 | |
| LT3694IUFD-1#TRPBF | Compact and reliable switching regulator for mono buck applications | QFN-28 | 5,886 | |
| LT3694IUFD#TRPBF | Efficiently convert DC power in a variety of settings, from industrial to medica | QFN-28 | 9,706 | |
| LT3694IUFD-1#PBF | Compact and reliable power conversion for various applications | QFN-28 | 5,743 | |
| LT3694IUFD#PBF | Step-down conversion from to V with precision current limiting | QFN-28 | 3,935 |
Key Featrues
Wide Input Voltage Range (4V to 36V): This feature allows the LT3694 to operate across a broad range of input voltages, making it highly versatile for various applications, including automotive and industrial systems. It ensures stable performance even with fluctuating input power sources, enhancing reliability in diverse environments.
High Output Current (2.6A): The device can deliver up to 2.6A of output current, making it suitable for powering high-demand components and systems. This capability reduces the need for additional regulators, simplifying design and improving overall system efficiency.
Dual Low Dropout (LDO) Regulator Controllers: The inclusion of dual LDO controllers provides additional voltage regulation options, enabling precise control over multiple power rails. This feature is particularly beneficial in complex systems requiring multiple voltage levels, such as microcontrollers and DSPs.
Adjustable Switching Frequency (250kHz to 2.5MHz): The adjustable switching frequency allows designers to optimize the regulator for specific performance and efficiency requirements. Higher frequencies enable the use of smaller inductors and capacitors, reducing the overall footprint and cost of the design.
Overvoltage Shutdown Protection (Up to 70V): This feature safeguards the circuit against voltage spikes and transients, enhancing the durability and longevity of the system. It is particularly critical in automotive applications where voltage fluctuations are common, ensuring consistent and reliable operation.
High Output Current (2.6A): The device can deliver up to 2.6A of output current, making it suitable for powering high-demand components and systems. This capability reduces the need for additional regulators, simplifying design and improving overall system efficiency.
Dual Low Dropout (LDO) Regulator Controllers: The inclusion of dual LDO controllers provides additional voltage regulation options, enabling precise control over multiple power rails. This feature is particularly beneficial in complex systems requiring multiple voltage levels, such as microcontrollers and DSPs.
Adjustable Switching Frequency (250kHz to 2.5MHz): The adjustable switching frequency allows designers to optimize the regulator for specific performance and efficiency requirements. Higher frequencies enable the use of smaller inductors and capacitors, reducing the overall footprint and cost of the design.
Overvoltage Shutdown Protection (Up to 70V): This feature safeguards the circuit against voltage spikes and transients, enhancing the durability and longevity of the system. It is particularly critical in automotive applications where voltage fluctuations are common, ensuring consistent and reliable operation.
Applications
Automotive Power Management: The LT3694 is ideal for managing power in automotive systems, such as infotainment systems, advanced driver-assistance systems (ADAS), and lighting controls. Its wide input voltage range (4V to 36V) and ability to handle 70V transients make it robust for automotive environments, ensuring reliable operation under varying load conditions.
Industrial Power Distribution: The LT3694 is well-suited for distributed power regulation in industrial settings, such as factory automation, robotics, and motor control systems. Its dual LDO controllers and adjustable switching frequency (250kHz to 2.5MHz) allow for precise power delivery, while its thermal management features ensure stable operation in harsh industrial environments.
DSL and Cable Modem Power Supplies: The LT3694 is an excellent choice for powering DSL and cable modems, where efficient and compact power regulation is critical. Its monolithic buck regulator with dual LDOs provides multiple regulated outputs, simplifying power supply design and reducing component count in space-constrained applications.
Wall Transformer Regulation: The LT3694 is ideal for regulating power in wall transformer applications, such as adapters for consumer electronics and IoT devices. Its ability to step down high input voltages (up to 36V) to low output voltages (as low as 0.75V) with high efficiency ensures reliable and compact power solutions for a wide range of devices.
Industrial Power Distribution: The LT3694 is well-suited for distributed power regulation in industrial settings, such as factory automation, robotics, and motor control systems. Its dual LDO controllers and adjustable switching frequency (250kHz to 2.5MHz) allow for precise power delivery, while its thermal management features ensure stable operation in harsh industrial environments.
DSL and Cable Modem Power Supplies: The LT3694 is an excellent choice for powering DSL and cable modems, where efficient and compact power regulation is critical. Its monolithic buck regulator with dual LDOs provides multiple regulated outputs, simplifying power supply design and reducing component count in space-constrained applications.
Wall Transformer Regulation: The LT3694 is ideal for regulating power in wall transformer applications, such as adapters for consumer electronics and IoT devices. Its ability to step down high input voltages (up to 36V) to low output voltages (as low as 0.75V) with high efficiency ensures reliable and compact power solutions for a wide range of devices.
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