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) | 3V |
| Voltage-Input(Max) | 42V |
| Voltage-Output(Min/Fixed) | 0.782V |
| Voltage-Output(Max) | 42V |
| Current-Output | 3A |
| Frequency-Switching | 200kHz ~ 2.2MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) Exposed Pad |
概述
Description
The LT8609AIMSE#TRPBF is a high-efficiency, monolithic step-down switching regulator produced by Analog Devices. It is designed to provide a compact and efficient solution for converting higher voltage inputs, ranging from 3V to 42V, to a lower voltage output. The device can deliver up to 2A of continuous output current with minimal thermal issues, thanks to its efficiency of up to 93%.
Key features include a 2MHz switching frequency, which facilitates the use of smaller inductors and capacitors, reducing the overall solution size. The device also offers low quiescent current, enabling longer battery life in portable applications. Additional features include a soft-start capability, programmable undervoltage lockout, and thermal shutdown for enhanced reliability.
The LT8609AIMSE#TRPBF is suitable for a variety of applications, including automotive, industrial, and communication systems. Its compact 10-lead MSE package and high performance make it an excellent choice for space-constrained designs that require efficient power management.
Key features include a 2MHz switching frequency, which facilitates the use of smaller inductors and capacitors, reducing the overall solution size. The device also offers low quiescent current, enabling longer battery life in portable applications. Additional features include a soft-start capability, programmable undervoltage lockout, and thermal shutdown for enhanced reliability.
The LT8609AIMSE#TRPBF is suitable for a variety of applications, including automotive, industrial, and communication systems. Its compact 10-lead MSE package and high performance make it an excellent choice for space-constrained designs that require efficient power management.
Equivalent
The LT8609AIMSE#TRPBF is a high-efficiency, 42V, 2A synchronous step-down regulator from Analog Devices (formerly Linear Technology). Equivalent products might include:
1. Texas Instruments LM76002: A 60V, 2.5A step-down regulator.
2. Microchip's MIC28512: A 75V, 2A buck regulator.
3. On Semiconductor's NCP3170: A 2A, 50V step-down regulator.
These alternatives share similar functionalities but specific parameters should be cross-checked for compatibility with your application.
1. Texas Instruments LM76002: A 60V, 2.5A step-down regulator.
2. Microchip's MIC28512: A 75V, 2A buck regulator.
3. On Semiconductor's NCP3170: A 2A, 50V step-down regulator.
These alternatives share similar functionalities but specific parameters should be cross-checked for compatibility with your application.
Features
The LT8609AIMSE#TRPBF is a high-efficiency, monolithic step-down switching regulator. Key features include:
1. Input Voltage Range: Operates from 3.0V to 42V, making it suitable for a wide range of applications including automotive and industrial environments.
2. Output Current: Delivers up to 2A of continuous output current.
3. Efficiency: Achieves high efficiency (up to 95%) over a wide load range, thanks to synchronous rectification.
4. Switching Frequency: Adjustable switching frequency from 200kHz to 2.2MHz, allowing optimization between efficiency and component size.
5. Quiescent Current: Low quiescent current of 2.5µA, beneficial for battery-powered applications.
6. Fast Transient Response: Rapid transient response to line and load changes.
7. Protection Features: Includes overcurrent protection, thermal shutdown, and a precise enable threshold.
8. Package: Available in a thermally enhanced 16-lead MSOP package.
These features make it a versatile and efficient choice for applications requiring compact power supply solutions with stringent performance requirements.
1. Input Voltage Range: Operates from 3.0V to 42V, making it suitable for a wide range of applications including automotive and industrial environments.
2. Output Current: Delivers up to 2A of continuous output current.
3. Efficiency: Achieves high efficiency (up to 95%) over a wide load range, thanks to synchronous rectification.
4. Switching Frequency: Adjustable switching frequency from 200kHz to 2.2MHz, allowing optimization between efficiency and component size.
5. Quiescent Current: Low quiescent current of 2.5µA, beneficial for battery-powered applications.
6. Fast Transient Response: Rapid transient response to line and load changes.
7. Protection Features: Includes overcurrent protection, thermal shutdown, and a precise enable threshold.
8. Package: Available in a thermally enhanced 16-lead MSOP package.
These features make it a versatile and efficient choice for applications requiring compact power supply solutions with stringent performance requirements.
Pinout
The LT8609AIMSE#TRPBF is a high-efficiency, high-speed synchronous step-down switching regulator. It is typically used for applications requiring a compact power supply solution. This device is housed in a 16-lead MSOP package with an exposed pad for improved thermal performance.
The main functions of the LT8609AIMSE#TRPBF include:
1. Step-Down Conversion: It efficiently steps down higher voltage inputs to lower voltage outputs.
2. Synchronous Operation: Uses internal top and bottom power switches for higher efficiency.
3. Fast Transient Response: Suitable for fast switching applications.
4. Low EMI: Designed to minimize electromagnetic interference.
5. Wide Input Voltage Range: Supports a wide range of input voltages, typically up to 42V.
6. Adjustable Output Voltage: The output voltage is adjustable with external resistors.
The 16 pins also include connections for VIN, VOUT, GND, SW (switch node), and other functional pins like EN/UVLO (enable/undervoltage lockout), COMP (compensation), and FB (feedback) for setting the output voltage.
The main functions of the LT8609AIMSE#TRPBF include:
1. Step-Down Conversion: It efficiently steps down higher voltage inputs to lower voltage outputs.
2. Synchronous Operation: Uses internal top and bottom power switches for higher efficiency.
3. Fast Transient Response: Suitable for fast switching applications.
4. Low EMI: Designed to minimize electromagnetic interference.
5. Wide Input Voltage Range: Supports a wide range of input voltages, typically up to 42V.
6. Adjustable Output Voltage: The output voltage is adjustable with external resistors.
The 16 pins also include connections for VIN, VOUT, GND, SW (switch node), and other functional pins like EN/UVLO (enable/undervoltage lockout), COMP (compensation), and FB (feedback) for setting the output voltage.
Manufacturer
The LT8609AIMSE#TRPBF is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational semiconductor company that specializes in the design and manufacture of analog, mixed-signal, and digital signal processing integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, ADI serves a wide range of industries, including automotive, communications, industrial, healthcare, and consumer electronics. The company is known for its focus on innovation and technology, providing solutions that enhance the performance and efficiency of electronic systems.
Application
The LT8609AIMSE#TRPBF is a high-efficiency, monolithic, step-down switching regulator. Its application areas include automotive systems, industrial power supplies, telecommunications equipment, and distributed power systems. It is suitable for applications requiring fast transient response, low quiescent current, and high efficiency across a wide input voltage range. Additionally, it is used in battery-powered devices due to its low standby current and features like Burst Mode operation, which extends battery life. The regulator is also ideal for systems requiring low noise and precision voltage regulation, such as sensitive electronics and microcontrollers.
Package
The LT8609AIMSE#TRPBF is packaged in a 16-lead, plastic MSOP (Mini Small Outline Package) with an exposed pad for improved thermal performance. It is designed for surface-mount applications.
