LTC3703 (7)
The LTC3703 is available from Analog Devices Inc. Inc. at Xecor. Designed for synchronous step-down switching regulation, the LTC3703 offers high voltage operation up to 100V, large 1Ω gate drivers, and excellent line and load transient response. Available in multiple package options, including 16-SSOP and 28-SSOP, it is ideal for telecom, automotive, and industrial control applications. Whether used in 48V telecom power supplies, networking equipment, or automotive systems, this series ensures efficiency, flexibility, and reliable performance for demanding applications. Xecor is an authorized distributor for Analog Devices Inc. Inc.. Please view our extensive selection of the LTC3703 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| LTC3703IGN | Synchronous Control | SSOP-16 | 9,919 | |
| LTC3703HGN#TRPBF | Compact and flexible IC suitable for a wide range of industrial, automotive, and consumer electronics design | SSOP-16 | 5,613 | |
| LTC3703HGN#PBF | High-voltage Synchronous Regulator Controller | SSOP-16 | 6,862 | |
| LTC3703EGN#PBF | High voltage regulator controller | SSOP-16 | 7,200 | |
| LTC3703EG#TRPBF | PMIC DC/DC converter with an input voltage range of 9.3 to 100VDC and an output voltage range of 0.8 to 93VDC, capable of delivering up to 5A | SSOP-28 | 7,391 | |
| LTC3703EG#PBF | Precision voltage regulation made easy | SSOP-28 | 9,534 | |
| LTC3703IGN#PBF | DC/DC Cntrlr Single-OUT Step Down 600kHz 16-Pin SSOP N Tube | SSOP-16 | 7,029 |
Key Featrues
High Voltage Operation (Up to 100V): The LTC3703 supports input voltages up to 100V, making it suitable for high-voltage applications such as telecom and automotive systems. This feature enhances its versatility and allows it to handle a wide range of power supply requirements efficiently.
Dual N-Channel MOSFET Synchronous Drive: The controller drives dual N-channel MOSFETs synchronously, improving power conversion efficiency and reducing heat dissipation. This feature is particularly beneficial in high-power applications where energy efficiency is critical.
Programmable Constant Frequency (100kHz to 600kHz): The switching frequency can be programmed between 100kHz and 600kHz, enabling designers to optimize performance for specific applications. This flexibility helps balance efficiency, component size, and electromagnetic interference (EMI).
No Current Sense Resistor Required: By eliminating the need for a current sense resistor, the LTC3703 simplifies circuit design and reduces component count and cost. This feature also minimizes power losses associated with the resistor, improving overall system efficiency.
Programmable Soft-Start: The soft-start feature allows for controlled startup of the regulator, preventing inrush currents and voltage spikes. This ensures a smooth and reliable power-up sequence, protecting sensitive components and enhancing system stability.
Dual N-Channel MOSFET Synchronous Drive: The controller drives dual N-channel MOSFETs synchronously, improving power conversion efficiency and reducing heat dissipation. This feature is particularly beneficial in high-power applications where energy efficiency is critical.
Programmable Constant Frequency (100kHz to 600kHz): The switching frequency can be programmed between 100kHz and 600kHz, enabling designers to optimize performance for specific applications. This flexibility helps balance efficiency, component size, and electromagnetic interference (EMI).
No Current Sense Resistor Required: By eliminating the need for a current sense resistor, the LTC3703 simplifies circuit design and reduces component count and cost. This feature also minimizes power losses associated with the resistor, improving overall system efficiency.
Programmable Soft-Start: The soft-start feature allows for controlled startup of the regulator, preventing inrush currents and voltage spikes. This ensures a smooth and reliable power-up sequence, protecting sensitive components and enhancing system stability.
Applications
High Voltage Power Conversion: The LTC3703 is ideal for high-voltage power conversion in telecom and base station power supplies. Its ability to handle up to 100V input voltage and drive external N-channel MOSFETs makes it suitable for efficient step-down conversion in demanding environments, ensuring reliable power delivery for critical infrastructure.
Automotive Power Management: The LTC3703 is perfect for automotive power management systems, such as electric vehicle (EV) control units and industrial automation. Its high voltage operation, programmable current limit, and excellent transient response ensure stable and efficient power delivery in harsh automotive and industrial environments.
Server and Networking Equipment: The LTC3703 is well-suited for powering servers and networking equipment, where high efficiency and precise voltage regulation are critical. Its synchronous rectification and programmable frequency control enable optimized performance, reducing power losses and improving system reliability in data centers and communication networks.
Industrial Control Systems: The LTC3703 is an excellent choice for industrial control systems requiring robust and efficient power conversion. Its undervoltage lockout, programmable soft-start, and ±1% reference accuracy ensure reliable operation in industrial applications, such as motor control, robotics, and factory automation.
Automotive Power Management: The LTC3703 is perfect for automotive power management systems, such as electric vehicle (EV) control units and industrial automation. Its high voltage operation, programmable current limit, and excellent transient response ensure stable and efficient power delivery in harsh automotive and industrial environments.
Server and Networking Equipment: The LTC3703 is well-suited for powering servers and networking equipment, where high efficiency and precise voltage regulation are critical. Its synchronous rectification and programmable frequency control enable optimized performance, reducing power losses and improving system reliability in data centers and communication networks.
Industrial Control Systems: The LTC3703 is an excellent choice for industrial control systems requiring robust and efficient power conversion. Its undervoltage lockout, programmable soft-start, and ±1% reference accuracy ensure reliable operation in industrial applications, such as motor control, robotics, and factory automation.
Popular LTC3703 Products comparison