規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Battery Balancer |
| NumberofCells | 1 ~ 12 |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 16-TSSOP (0.173, 4.40mm Width) Exposed Pad |
概述
Description
The LT8584IFE#TRPBF is a high-performance monolithic flyback DC/DC converter designed for use in isolated applications. Manufactured by Analog Devices (formerly Linear Technology), it is optimized for driving LEDs and other applications requiring efficient power conversion with isolation. The device integrates a 6A, 65V power switch and operates over a wide input voltage range.
Key features of the LT8584 include programmable switching frequency, soft-start capability, and over-temperature protection. It also supports synchronous rectification, which enhances efficiency, especially at lower output voltages. Additionally, its single-switch topology simplifies the design, making it an attractive choice for compact and cost-effective isolated power supplies.
The "IFE" in the part number indicates its specific package type and options, with "TRPBF" referring to it being tape and reel packed for automated assembly and being RoHS compliant, indicating it is free from lead and other hazardous materials. This part is used in various applications, including industrial, telecommunications, and automotive systems.
Key features of the LT8584 include programmable switching frequency, soft-start capability, and over-temperature protection. It also supports synchronous rectification, which enhances efficiency, especially at lower output voltages. Additionally, its single-switch topology simplifies the design, making it an attractive choice for compact and cost-effective isolated power supplies.
The "IFE" in the part number indicates its specific package type and options, with "TRPBF" referring to it being tape and reel packed for automated assembly and being RoHS compliant, indicating it is free from lead and other hazardous materials. This part is used in various applications, including industrial, telecommunications, and automotive systems.
Equivalent
The LT8584IFE#TRPBF is a high voltage, high efficiency monolithic flyback regulator from Analog Devices. Equivalent products may include the LM5001 from Texas Instruments, which is a high-voltage switch mode regulator, and the MAX1771 from Maxim Integrated, a high-efficiency, step-up DC-DC controller. While these ICs serve similar applications, it is essential to review their specific features and specifications to ensure compatibility with your design requirements.
Features
The LT8584IFE#TRPBF is a versatile high voltage, high efficiency monolithic flyback regulator from Analog Devices. Key features include:
1. Wide Input Voltage Range: It supports a broad input voltage range from 4V to 80V, making it suitable for various applications.
2. Integrated Power Switch: The device includes a 6A, 65V power switch, enhancing its ability to handle substantial power loads efficiently.
3. No Opto-Isolator Required: The LT8584 can operate without the need for an opto-isolator or third winding, simplifying design and reducing component count.
4. Constant Voltage and Current Regulation: It provides both constant voltage and constant current regulation, ensuring stable output.
5. Adjustable Switching Frequency: The switching frequency is adjustable from 50kHz to 1MHz, allowing for optimization between efficiency and component size.
6. Multiple Protection Features: The device includes features like overvoltage protection, undervoltage lockout, and thermal shutdown, ensuring robust operation.
7. Compact Package: It is available in a thermally enhanced 16-lead TSSOP package, which aids in efficient thermal management.
These features make it suitable for applications like isolated power supplies, battery chargers, and auxiliary/housekeeping power supplies.
1. Wide Input Voltage Range: It supports a broad input voltage range from 4V to 80V, making it suitable for various applications.
2. Integrated Power Switch: The device includes a 6A, 65V power switch, enhancing its ability to handle substantial power loads efficiently.
3. No Opto-Isolator Required: The LT8584 can operate without the need for an opto-isolator or third winding, simplifying design and reducing component count.
4. Constant Voltage and Current Regulation: It provides both constant voltage and constant current regulation, ensuring stable output.
5. Adjustable Switching Frequency: The switching frequency is adjustable from 50kHz to 1MHz, allowing for optimization between efficiency and component size.
6. Multiple Protection Features: The device includes features like overvoltage protection, undervoltage lockout, and thermal shutdown, ensuring robust operation.
7. Compact Package: It is available in a thermally enhanced 16-lead TSSOP package, which aids in efficient thermal management.
These features make it suitable for applications like isolated power supplies, battery chargers, and auxiliary/housekeeping power supplies.
Pinout
The LT8584IFE#TRPBF is a high-side current sense DC/DC converter with a specific pin configuration and functions. It comes in a 16-pin thermally enhanced plastic TSSOP package. The main functions of the pins include:
1. VIN (Pin 1, 16): Input voltage supply.
2. SW (Pin 3): Switch pin, connected to the inductor.
3. GND (Pin 4): Ground.
4. FB (Pin 5): Feedback pin for voltage regulation.
5. VC (Pin 6): Compensation pin for loop stability.
6. RT (Pin 7): Timing resistor for setting the switching frequency.
7. SYNC (Pin 8): Synchronization input for external clock.
8. SS (Pin 9): Soft-start control pin.
9. SHDN/UVLO (Pin 10): Shutdown/Undervoltage lockout pin.
10. ISP, ISN (Pins 11, 12): Current sense positive and negative inputs.
11. CTRL (Pin 13): Control input for current regulation.
12. PGOOD (Pin 14): Power good indicator.
13. BIAS (Pin 15): Bias supply pin.
Each pin supports the converter's operation, enabling efficient power regulation and protection features. For detailed specifications and applications, refer to the datasheet.
1. VIN (Pin 1, 16): Input voltage supply.
2. SW (Pin 3): Switch pin, connected to the inductor.
3. GND (Pin 4): Ground.
4. FB (Pin 5): Feedback pin for voltage regulation.
5. VC (Pin 6): Compensation pin for loop stability.
6. RT (Pin 7): Timing resistor for setting the switching frequency.
7. SYNC (Pin 8): Synchronization input for external clock.
8. SS (Pin 9): Soft-start control pin.
9. SHDN/UVLO (Pin 10): Shutdown/Undervoltage lockout pin.
10. ISP, ISN (Pins 11, 12): Current sense positive and negative inputs.
11. CTRL (Pin 13): Control input for current regulation.
12. PGOOD (Pin 14): Power good indicator.
13. BIAS (Pin 15): Bias supply pin.
Each pin supports the converter's operation, enabling efficient power regulation and protection features. For detailed specifications and applications, refer to the datasheet.
Manufacturer
The LT8584IFE#TRPBF is a component 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 serves a wide range of markets, including industrial, automotive, communications, healthcare, and consumer electronics. Analog Devices is known for its high-performance analog technology and is a major player in the semiconductor industry.
Application
The LT8584IFE#TRPBF is a high voltage, high efficiency monolithic flyback regulator. Its application areas include isolated power supply solutions, particularly in industrial, automotive, and telecom sectors. It is used in applications requiring voltage conversion and isolation, such as isolated gate drivers, bias supplies for power electronics, and isolated communications systems. Its ability to handle high input voltages and deliver isolated outputs makes it suitable for applications needing electrical isolation and efficient power conversion.
Package
The LT8584IFE#TRPBF is packaged in a TSSOP (Thin Shrink Small Outline Package) with 16 leads, featuring an exposed pad for better thermal performance. This package is commonly used for compact and surface-mount applications.