Specifications
| Attribute | Value |
| Package | Tube |
| ProductStatus | Obsolete |
| Function | Step-Up, Step-Up/Step-Down |
| OutputConfiguration | Positive or Negative |
| Topology | Boost, SEPIC |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 2.5V |
| Voltage-Input(Max) | 32V |
| Voltage-Output(Min/Fixed) | 5V |
| Voltage-Output(Max) | 42V (Switch) |
| Current-Output | 2A (Switch) |
| Frequency-Switching | 200kHz ~ 2MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) Exposed Pad |
Overview
Description
The LT3580IMS8E is a high-performance DC/DC converter designed by Analog Devices, formerly Linear Technology. It's a versatile power management component used for generating positive or negative output voltages from a single input supply. The device is particularly noted for its efficiency in a wide range of applications, including telecommunications, industrial control, automotive, and other battery-operated equipment.
The LT3580IMS8E features an integrated switch, Schottky diode, and control circuitry, which simplifies the design and reduces the need for external components. It operates with a wide input voltage range and can deliver output voltages up to 40V. Additionally, the device supports both boost and inverting converter applications, providing flexibility for different design requirements.
Key features include a high switching frequency of up to 2MHz, which allows for the use of small external components, and a soft-start capability that helps to limit inrush current during startup. The device also provides over-temperature and over-current protection, enhancing its reliability in demanding environments. Its compact MSOP-8 package makes it suitable for space-constrained applications.
The LT3580IMS8E features an integrated switch, Schottky diode, and control circuitry, which simplifies the design and reduces the need for external components. It operates with a wide input voltage range and can deliver output voltages up to 40V. Additionally, the device supports both boost and inverting converter applications, providing flexibility for different design requirements.
Key features include a high switching frequency of up to 2MHz, which allows for the use of small external components, and a soft-start capability that helps to limit inrush current during startup. The device also provides over-temperature and over-current protection, enhancing its reliability in demanding environments. Its compact MSOP-8 package makes it suitable for space-constrained applications.
Equivalent
The LT3580IMS8E is a boost/inverting DC/DC converter from Analog Devices. Equivalent products could include DC/DC converters with similar specifications, such as the Texas Instruments TPS61040, Maxim Integrated MAX1771, or the Microchip MCP1663. It is important to compare specifications like input voltage range, output current, switching frequency, and package type to ensure compatibility. Always verify the compatibility with your application requirements.
Features
The LT3580IMS8E is a high-performance, monolithic, step-up DC/DC converter designed for applications requiring efficient power conversion. Key features include:
1. Wide Input Voltage Range: Operates from 2.5V to 32V, accommodating various power sources.
2. Adjustable Output Voltage: Can produce outputs up to 34V, making it versatile for different applications.
3. Integrated Power Switch: Features a 1.5A, 42V switch for efficient power conversion.
4. High Efficiency: Operates at efficiencies up to 90% to minimize power loss and heat generation.
5. Low Quiescent Current: Consumes only 70µA, enhancing battery life in portable devices.
6. Current Mode Control: Provides excellent line and load regulation, facilitating stable operation.
7. Programmable Switching Frequency: Adjustable between 200kHz and 2.5MHz to optimize performance and minimize interference.
8. Soft-Start Feature: Reduces inrush current during startup, protecting components.
9. Thermal Shutdown: Built-in thermal protection enhances reliability by preventing overheating.
10. Compact Package: Available in an 8-lead MSOP package, suitable for space-constrained designs.
Overall, the LT3580IMS8E is ideal for applications demanding efficient, reliable, and flexible power conversion solutions.
1. Wide Input Voltage Range: Operates from 2.5V to 32V, accommodating various power sources.
2. Adjustable Output Voltage: Can produce outputs up to 34V, making it versatile for different applications.
3. Integrated Power Switch: Features a 1.5A, 42V switch for efficient power conversion.
4. High Efficiency: Operates at efficiencies up to 90% to minimize power loss and heat generation.
5. Low Quiescent Current: Consumes only 70µA, enhancing battery life in portable devices.
6. Current Mode Control: Provides excellent line and load regulation, facilitating stable operation.
7. Programmable Switching Frequency: Adjustable between 200kHz and 2.5MHz to optimize performance and minimize interference.
8. Soft-Start Feature: Reduces inrush current during startup, protecting components.
9. Thermal Shutdown: Built-in thermal protection enhances reliability by preventing overheating.
10. Compact Package: Available in an 8-lead MSOP package, suitable for space-constrained designs.
Overall, the LT3580IMS8E is ideal for applications demanding efficient, reliable, and flexible power conversion solutions.
Pinout
The LT3580IMS8E is a high-performance DC-DC converter chip designed by Analog Devices, previously Linear Technology. It is featured in a Mini Small Outline Package (MSOP-8) configuration. The "MS8E" suffix indicates the package type and temperature range.
The LT3580 has 8 pins, each serving specific functions:
1. SW (Pin 1): Switch pin for the internal power switch.
2. GND (Pin 2): Ground pin.
3. FB (Pin 3): Feedback pin, used to set the output voltage via a resistor divider network.
4. SHDN (Pin 4): Shutdown pin; active low to disable the device.
5. VC (Pin 5): Compensation pin used for loop stability and transient response optimization.
6. VIN (Pin 6): Input voltage supply pin.
7. RT (Pin 7): Resistor timing pin to set the switching frequency.
8. NC (Pin 8): No internal connection.
The LT3580 is versatile, capable of step-up, step-down, or inverting configurations, making it suitable for a variety of DC-DC conversion applications.
The LT3580 has 8 pins, each serving specific functions:
1. SW (Pin 1): Switch pin for the internal power switch.
2. GND (Pin 2): Ground pin.
3. FB (Pin 3): Feedback pin, used to set the output voltage via a resistor divider network.
4. SHDN (Pin 4): Shutdown pin; active low to disable the device.
5. VC (Pin 5): Compensation pin used for loop stability and transient response optimization.
6. VIN (Pin 6): Input voltage supply pin.
7. RT (Pin 7): Resistor timing pin to set the switching frequency.
8. NC (Pin 8): No internal connection.
The LT3580 is versatile, capable of step-up, step-down, or inverting configurations, making it suitable for a variety of DC-DC conversion applications.
Manufacturer
The LT3580IMS8E is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. These components are used in a wide array of applications, including industrial, automotive, consumer electronics, communications, and healthcare sectors. Analog Devices is known for providing high-performance solutions that enhance accuracy, speed, and reliability in electronic systems.
Application
The LT3580IMS8E is a versatile boost/inverting DC/DC converter used in various applications. It is commonly used in battery-powered devices, OLED displays, bias supplies for sensors, and powering industrial equipment. Its ability to operate efficiently in both boost and inverting configurations makes it suitable for devices requiring positive or negative voltage rails. The device is also used in automotive electronics and portable instruments, thanks to its wide input voltage range and robust performance. Additionally, its compact package and high switching frequency make it ideal for space-constrained applications.
Package
The LT3580IMS8E is an integrated circuit that comes in an MSOP-8 package. MSOP stands for Mini Small Outline Package, which is a compact, surface-mount package type with 8 pins, designed for space-efficient applications.