規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.4V |
| Voltage-Input(Max) | 105V |
| Voltage-Output(Min/Fixed) | 1V |
| Voltage-Output(Max) | 105V |
| Current-Output | 2.3A |
| Frequency-Switching | 1MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 36-WFQFN, 26 Leads, Exposed Pad |
概述
Description
The LTC7103EUHE#TRPBF is a high-performance, high-efficiency step-down (buck) DC/DC switching regulator from Analog Devices. It is designed to deliver up to 2.3A of continuous output current with input voltages ranging from 4.4V to 105V. This makes it suitable for a wide range of applications, including industrial, automotive, and telecom power systems.
The LTC7103 features a precision 1V reference, allowing for an adjustable output voltage via an external feedback resistor divider. It operates with a low quiescent current and supports Burst Mode operation for high efficiency at light loads. Additionally, the device integrates several protection features such as overcurrent protection, thermal shutdown, and a power-good indicator to ensure reliable operation.
Housed in a compact 28-lead, 4mm x 5mm QFN package, the LTC7103EUHE#TRPBF provides a simple and efficient solution for high-voltage step-down applications. Its combination of wide input voltage range, high efficiency, and robust feature set makes it ideal for demanding power management scenarios.
The LTC7103 features a precision 1V reference, allowing for an adjustable output voltage via an external feedback resistor divider. It operates with a low quiescent current and supports Burst Mode operation for high efficiency at light loads. Additionally, the device integrates several protection features such as overcurrent protection, thermal shutdown, and a power-good indicator to ensure reliable operation.
Housed in a compact 28-lead, 4mm x 5mm QFN package, the LTC7103EUHE#TRPBF provides a simple and efficient solution for high-voltage step-down applications. Its combination of wide input voltage range, high efficiency, and robust feature set makes it ideal for demanding power management scenarios.
Equivalent
The LTC7103EUHE#TRPBF is a high-efficiency, monolithic synchronous step-down regulator. Equivalent products are often determined based on specifications such as voltage input range, output current, and features. Possible equivalents include:
1. Texas Instruments TPS54560: 60V, 5A step-down converter.
2. Microchip MIC28513: 55V, 5A synchronous buck regulator.
3. Maxim Integrated MAX17502: 60V, 4A step-down power module.
Ensure compatibility by checking detailed specifications and requirements for your application.
1. Texas Instruments TPS54560: 60V, 5A step-down converter.
2. Microchip MIC28513: 55V, 5A synchronous buck regulator.
3. Maxim Integrated MAX17502: 60V, 4A step-down power module.
Ensure compatibility by checking detailed specifications and requirements for your application.
Features
The LTC7103EUHE#TRPBF is a monolithic step-down DC/DC converter from Analog Devices, designed for high efficiency and compact applications. Key features include:
1. Wide Input Voltage Range: It supports an input voltage range of 4.4V to 105V, making it versatile for various power sources.
2. Output Current: It can deliver up to 2.3A of continuous output current.
3. High Efficiency: The converter achieves high efficiency over a broad load range, aided by its integrated power MOSFETs.
4. Adjustable Output Voltage: The output voltage is adjustable with a single external resistor.
5. Programmable Frequency: The switching frequency is programmable between 200kHz to 2MHz, offering flexibility in design.
6. Protection Features: It includes overcurrent, overvoltage, and overtemperature protection for enhanced reliability.
7. Soft-Start: The device supports a programmable soft-start to limit inrush current during startup.
8. Thermal Performance: The device is housed in a thermally enhanced 4mm x 5mm QFN package, allowing for efficient heat dissipation.
These features make the LTC7103EUHE#TRPBF ideal for industrial, automotive, and communication systems applications.
1. Wide Input Voltage Range: It supports an input voltage range of 4.4V to 105V, making it versatile for various power sources.
2. Output Current: It can deliver up to 2.3A of continuous output current.
3. High Efficiency: The converter achieves high efficiency over a broad load range, aided by its integrated power MOSFETs.
4. Adjustable Output Voltage: The output voltage is adjustable with a single external resistor.
5. Programmable Frequency: The switching frequency is programmable between 200kHz to 2MHz, offering flexibility in design.
6. Protection Features: It includes overcurrent, overvoltage, and overtemperature protection for enhanced reliability.
7. Soft-Start: The device supports a programmable soft-start to limit inrush current during startup.
8. Thermal Performance: The device is housed in a thermally enhanced 4mm x 5mm QFN package, allowing for efficient heat dissipation.
These features make the LTC7103EUHE#TRPBF ideal for industrial, automotive, and communication systems applications.
Pinout
The LTC7103EUHE#TRPBF is a high-efficiency, monolithic synchronous step-down regulator from Analog Devices. It is designed to deliver up to 2.3A of output current with high efficiency and low noise. The device is housed in a 24-pin (4mm x 5mm) QFN package.
Key functions of the LTC7103 include:
1. Step-Down Conversion: It converts a higher input voltage to a lower output voltage efficiently.
2. Synchronous Rectification: Improves efficiency by using internal MOSFETs for both the high-side and low-side switches.
3. Programmable Output Voltage: Allows for adjustable output voltage through external resistor settings.
4. Current Mode Control: Provides improved transient response and loop stability.
5. Low Noise: Suitable for noise-sensitive applications.
6. Protection Features: Includes over-current protection, thermal shutdown, and soft-start capabilities.
These features make it suitable for a variety of applications, including communications, industrial, and automotive systems.
Key functions of the LTC7103 include:
1. Step-Down Conversion: It converts a higher input voltage to a lower output voltage efficiently.
2. Synchronous Rectification: Improves efficiency by using internal MOSFETs for both the high-side and low-side switches.
3. Programmable Output Voltage: Allows for adjustable output voltage through external resistor settings.
4. Current Mode Control: Provides improved transient response and loop stability.
5. Low Noise: Suitable for noise-sensitive applications.
6. Protection Features: Includes over-current protection, thermal shutdown, and soft-start capabilities.
These features make it suitable for a variety of applications, including communications, industrial, and automotive systems.
Manufacturer
The LTC7103EUHE#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing a broad range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company provides solutions for various industries, including industrial, automotive, communications, healthcare, and consumer electronics. Analog Devices is known for its high-performance analog products and is a key player in the semiconductor industry.
Application
The LTC7103EUHE#TRPBF is a high-efficiency step-down DC/DC converter designed for applications requiring a compact, efficient power supply. Its application areas include:
1. Industrial and Automotive Systems: Suitable for powering microcontrollers, sensors, and other electronics in rugged environments.
2. Telecommunications: Used in powering communication equipment with needs for high efficiency and reliability.
3. Networking Equipment: Provides stable power for routers, switches, and other networking devices.
4. Medical Devices: Ideal for portable and compact medical equipment requiring precise power management.
5. Aerospace and Defense: Supports critical power systems with stringent requirements for efficiency and size.
This versatility makes it an excellent choice for any application requiring efficient, space-saving DC/DC conversion.
1. Industrial and Automotive Systems: Suitable for powering microcontrollers, sensors, and other electronics in rugged environments.
2. Telecommunications: Used in powering communication equipment with needs for high efficiency and reliability.
3. Networking Equipment: Provides stable power for routers, switches, and other networking devices.
4. Medical Devices: Ideal for portable and compact medical equipment requiring precise power management.
5. Aerospace and Defense: Supports critical power systems with stringent requirements for efficiency and size.
This versatility makes it an excellent choice for any application requiring efficient, space-saving DC/DC conversion.
Package
The LTC7103EUHE#TRPBF is a high-efficiency, step-down DC/DC converter from Analog Devices, packaged in a 5mm x 6mm QFN (Quad Flat No-leads) package. The "#TRPBF" suffix indicates it is supplied in tape and reel packaging for automated assembly, and it is lead-free/RoHS compliant.