規格
| 屬性 | 價值 |
| Package | Tube |
| 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) | 0.778V |
| Voltage-Output(Max) | 42V |
| Current-Output | 1.5A |
| Frequency-Switching | 200kHz ~ 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 LT8608EMSE#PBF is a high-efficiency, monolithic step-down regulator from Analog Devices (formerly Linear Technology). It is designed to provide a compact and efficient solution for converting higher input voltages to lower, regulated outputs. The device operates with an input voltage range of 3.0V to 42V and can deliver up to 1.5A of continuous output current. It features a fast minimum on-time of 30ns, which allows for high switching frequencies and, consequently, smaller external components.
Key features include low quiescent current, burst mode operation for high efficiency at light loads, and a range of protection features such as thermal shutdown and short-circuit protection. The LT8608EMSE#PBF comes in a thermally enhanced MSOP package, making it suitable for applications where space and thermal management are critical considerations. Typical applications include automotive systems, industrial power supplies, and distributed power systems.
Key features include low quiescent current, burst mode operation for high efficiency at light loads, and a range of protection features such as thermal shutdown and short-circuit protection. The LT8608EMSE#PBF comes in a thermally enhanced MSOP package, making it suitable for applications where space and thermal management are critical considerations. Typical applications include automotive systems, industrial power supplies, and distributed power systems.
Equivalent
The LT8608EMSE#PBF is a step-down regulator from Analog Devices. Equivalent products from other manufacturers might include:
1. Texas Instruments: TPS62122
2. Microchip Technology: MIC23050
3. STMicroelectronics: L6980I
4. Infineon Technologies: IR3894
These alternatives offer similar functionalities in terms of input voltage range and output current but verify specific requirements like package type and feature set compatibility.
1. Texas Instruments: TPS62122
2. Microchip Technology: MIC23050
3. STMicroelectronics: L6980I
4. Infineon Technologies: IR3894
These alternatives offer similar functionalities in terms of input voltage range and output current but verify specific requirements like package type and feature set compatibility.
Features
The LT8608EMSE#PBF is a high-efficiency, monolithic, step-down switching regulator. Key features include:
1. Wide Input Voltage Range: Operates from 2.6V to 42V, making it suitable for automotive and industrial applications.
2. Output Voltage: Adjustable from 0.8V to VIN with a maximum output current of 1.5A.
3. High Efficiency: Up to 93% efficiency with low quiescent current (2.5µA in Burst Mode operation) for power-saving applications.
4. Fast Transient Response: Thanks to its high switching frequency, the LT8608 can respond quickly to changes in load or input voltage.
5. Low Dropout: Maintains regulation at low input voltage conditions.
6. Synchronization Capability: Offers the ability to synchronize to an external clock for switching frequency.
7. Compact Solution: Available in a thermally enhanced MSOP package with a small external component count.
8. Protection Features: Includes features like thermal shutdown, short-circuit protection, and a soft-start to manage inrush current.
These features make the LT8608EMSE#PBF ideal for efficient power management in compact, noise-sensitive electronic devices.
1. Wide Input Voltage Range: Operates from 2.6V to 42V, making it suitable for automotive and industrial applications.
2. Output Voltage: Adjustable from 0.8V to VIN with a maximum output current of 1.5A.
3. High Efficiency: Up to 93% efficiency with low quiescent current (2.5µA in Burst Mode operation) for power-saving applications.
4. Fast Transient Response: Thanks to its high switching frequency, the LT8608 can respond quickly to changes in load or input voltage.
5. Low Dropout: Maintains regulation at low input voltage conditions.
6. Synchronization Capability: Offers the ability to synchronize to an external clock for switching frequency.
7. Compact Solution: Available in a thermally enhanced MSOP package with a small external component count.
8. Protection Features: Includes features like thermal shutdown, short-circuit protection, and a soft-start to manage inrush current.
These features make the LT8608EMSE#PBF ideal for efficient power management in compact, noise-sensitive electronic devices.
Pinout
The LT8608EMSE#PBF is a compact, high-efficiency synchronous step-down regulator produced by Analog Devices. It comes in a 10-lead MSOP package with the following pin count and functions:
1. VIN: Input supply voltage.
2. EN/UVLO: Enable pin and undervoltage lockout.
3. PG: Power good indicator.
4. RT: Frequency adjust pin.
5. SYNC: Synchronization input.
6. FB: Feedback input for setting output voltage.
7. BIAS: Optional bias input.
8. GND: Ground connection.
9. SW: Switch node connecting the inductor.
10. BST: Bootstrapped supply for the power switch.
The LT8608EMSE#PBF is designed to provide high efficiency across a wide load range, with a fast minimum switch-on time allowing low duty cycle operation. It supports input voltages up to 42V and delivers output currents of up to 1.5A. The part is suitable for a variety of applications, including automotive and industrial power systems, due to its robust design and features such as burst mode operation, spread spectrum frequency modulation, and low quiescent current.
1. VIN: Input supply voltage.
2. EN/UVLO: Enable pin and undervoltage lockout.
3. PG: Power good indicator.
4. RT: Frequency adjust pin.
5. SYNC: Synchronization input.
6. FB: Feedback input for setting output voltage.
7. BIAS: Optional bias input.
8. GND: Ground connection.
9. SW: Switch node connecting the inductor.
10. BST: Bootstrapped supply for the power switch.
The LT8608EMSE#PBF is designed to provide high efficiency across a wide load range, with a fast minimum switch-on time allowing low duty cycle operation. It supports input voltages up to 42V and delivers output currents of up to 1.5A. The part is suitable for a variety of applications, including automotive and industrial power systems, due to its robust design and features such as burst mode operation, spread spectrum frequency modulation, and low quiescent current.
Manufacturer
The LT8608EMSE#PBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company provides solutions for a wide range of applications, including industrial, automotive, communications, healthcare, and consumer electronics. Analog Devices is known for its expertise in high-performance signal processing and precision technologies, making it a leading player in the semiconductor industry.
Application
The LT8608EMSE#PBF is a high-efficiency, monolithic step-down switching regulator. Its application areas include:
1. Automotive Systems: Ideal for powering infotainment systems, ADAS, and dashboard electronics due to its wide input voltage range and high efficiency.
2. Industrial Control Systems: Used in PLCs and industrial sensors for reliable power delivery.
3. Telecommunications: Powers base stations and networking equipment by providing stable voltage outputs.
4. Consumer Electronics: Suitable for powering devices like tablets and portable gadgets where low power consumption is critical.
5. Battery-Powered Devices: Extends battery life in portable applications by minimizing power loss.
These areas benefit from the device’s compact size, low EMI emissions, and robust thermal performance.
1. Automotive Systems: Ideal for powering infotainment systems, ADAS, and dashboard electronics due to its wide input voltage range and high efficiency.
2. Industrial Control Systems: Used in PLCs and industrial sensors for reliable power delivery.
3. Telecommunications: Powers base stations and networking equipment by providing stable voltage outputs.
4. Consumer Electronics: Suitable for powering devices like tablets and portable gadgets where low power consumption is critical.
5. Battery-Powered Devices: Extends battery life in portable applications by minimizing power loss.
These areas benefit from the device’s compact size, low EMI emissions, and robust thermal performance.
Package
The LT8608EMSE#PBF is a step-down regulator from Analog Devices. Its package type is MSOP-10 (Mini Small Outline Package) with exposed pad for better thermal performance.
