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規格
| 屬性 | 價值 |
| Brand | Analog Devices |
| ProductType | Switching Voltage Regulators |
| Subcategory | PMIC - Power Management ICs |
| MountingStyle | SMD/SMT |
| Package/Case | MSOP-8 |
| MinimumOperatingTemperature | - 40 C |
| MaximumOperatingTemperature | + 85 C |
| Topology | Buck |
| OutputVoltage | Adjustable |
| OutputCurrent | 1.2 A |
| NumberofOutputs | 1 Output |
| InputVoltage-Min | 3.6 V |
| InputVoltage-Max | 36 V |
| SwitchingFrequency | 200 kHz to 3 MHz |
| ShippingRestrictions | Mouser does not presently sell this product in your region. |
| Series | LT3505 |
| OperatingSupplyCurrent | 2 mA |
概述
Description
The LT3505EMS8E is a high-efficiency, step-down (buck) DC-DC converter integrated circuit (IC) designed for various power management applications. It features a wide input voltage range, typically from 4.5V to 60V, making it suitable for automotive, industrial, and telecommunications applications. The IC provides a regulated output voltage with adjustable settings, allowing designers to optimize for specific requirements.
Key features include high efficiency (up to 95%), a built-in power switch to reduce component count, and a compact package that saves space on the PCB. It also offers protection features such as thermal shutdown, current limiting, and overvoltage protection.
The LT3505EMS8E operates with a switching frequency that can be set by an external resistor, enabling flexibility in design. Its low quiescent current makes it suitable for battery-powered applications. Overall, this IC is an excellent choice for designers seeking reliable and efficient power solutions.
Key features include high efficiency (up to 95%), a built-in power switch to reduce component count, and a compact package that saves space on the PCB. It also offers protection features such as thermal shutdown, current limiting, and overvoltage protection.
The LT3505EMS8E operates with a switching frequency that can be set by an external resistor, enabling flexibility in design. Its low quiescent current makes it suitable for battery-powered applications. Overall, this IC is an excellent choice for designers seeking reliable and efficient power solutions.
Equivalent
The LT3505EMS8E is a step-down (buck) DC-DC converter. Equivalent products include:
1. LM2596 (Texas Instruments)
2. TPS563201 (Texas Instruments)
3. MICREL MIC4576 (Microchip)
4. LM2675 (Texas Instruments)
5. LTM4600 (Linear Technology)
When selecting an equivalent, consider specifications like input/output voltage, current rating, efficiency, and packaging. Always verify compatibility with your specific application requirements.
1. LM2596 (Texas Instruments)
2. TPS563201 (Texas Instruments)
3. MICREL MIC4576 (Microchip)
4. LM2675 (Texas Instruments)
5. LTM4600 (Linear Technology)
When selecting an equivalent, consider specifications like input/output voltage, current rating, efficiency, and packaging. Always verify compatibility with your specific application requirements.
Features
The LT3505EMS8E is a high-performance, automotive-grade step-down (buck) DC-DC converter. Key features include:
1. Input Voltage Range: Operates from 4.5V to 60V, accommodating various power supply sources.
2. Output Current: Delivers up to 1.5A of continuous output current.
3. Efficiency: High efficiency, typically greater than 90%, minimizing heat generation.
4. Switching Frequency: Adjustable switching frequency up to 1MHz, allowing for smaller external components.
5. Power Good Signal: Provides a power good output for system monitoring.
6. Soft-Start: Includes a soft-start feature to reduce inrush current.
7. Thermal Protection: Integrated thermal shutdown for reliability.
8. Package: Available in an 8-lead MSOP package, suitable for compact designs.
9. Operating Temperature: Suitable for automotive applications with a wide operating temperature range.
These features make the LT3505EMS8E ideal for automotive, industrial, and other high-voltage applications requiring reliable power management.
1. Input Voltage Range: Operates from 4.5V to 60V, accommodating various power supply sources.
2. Output Current: Delivers up to 1.5A of continuous output current.
3. Efficiency: High efficiency, typically greater than 90%, minimizing heat generation.
4. Switching Frequency: Adjustable switching frequency up to 1MHz, allowing for smaller external components.
5. Power Good Signal: Provides a power good output for system monitoring.
6. Soft-Start: Includes a soft-start feature to reduce inrush current.
7. Thermal Protection: Integrated thermal shutdown for reliability.
8. Package: Available in an 8-lead MSOP package, suitable for compact designs.
9. Operating Temperature: Suitable for automotive applications with a wide operating temperature range.
These features make the LT3505EMS8E ideal for automotive, industrial, and other high-voltage applications requiring reliable power management.
Pinout
The LT3505EMS8E is an integrated circuit (IC) designed for high-efficiency step-down (buck) DC-DC converters. It comes in an 8-lead MSOP package with a pin count of 8.
The functions of the pins are as follows:
1. VIN: Input voltage supply.
2. SW: Switch node connection to the inductor.
3. GND: Ground reference.
4. VOUT: Output voltage feedback.
5. COMP: Compensation network connection for stability.
6. FB: Feedback voltage for regulating the output.
7. SS: Soft-start pin to control the startup time.
8. SW: This pin also serves as a switch terminal for the internal MOSFET.
The LT3505 operates with a wide input voltage range and provides adjustable output voltage, making it suitable for various applications in power management.
The functions of the pins are as follows:
1. VIN: Input voltage supply.
2. SW: Switch node connection to the inductor.
3. GND: Ground reference.
4. VOUT: Output voltage feedback.
5. COMP: Compensation network connection for stability.
6. FB: Feedback voltage for regulating the output.
7. SS: Soft-start pin to control the startup time.
8. SW: This pin also serves as a switch terminal for the internal MOSFET.
The LT3505 operates with a wide input voltage range and provides adjustable output voltage, making it suitable for various applications in power management.
Manufacturer
The LT3505EMS8E is manufactured by Analog Devices, Inc. Analog Devices is a semiconductor company that specializes in data conversion, signal processing, and power management technologies. They develop a wide range of integrated circuits (ICs) and other electronic components used in various applications, including telecommunications, automotive, industrial automation, healthcare, and consumer electronics. Founded in 1965, the company is known for its high-performance analog and mixed-signal processing solutions, making it a prominent player in the electronics industry. The LT3505EMS8E itself is a low-dropout linear regulator (LDO) designed for applications requiring stable power supply with low noise and high efficiency.
Application
The LT3505EMS8E is a high-efficiency step-down (buck) switching regulator designed for use in a variety of applications, including:
1. Power Management: Power supply for digital circuits and microcontrollers.
2. Battery-Powered Devices: Efficient power conversion in portable electronics.
3. LED Drivers: Regulating current for LED lighting applications.
4. Consumer Electronics: Providing stable voltage to devices like smartphones and tablets.
5. Industrial Equipment: Powering sensors and actuators in automation systems.
6. Telecommunications: Powering communication devices and infrastructure.
Its versatility and efficiency make it suitable for a wide range of applications requiring regulated DC output.
1. Power Management: Power supply for digital circuits and microcontrollers.
2. Battery-Powered Devices: Efficient power conversion in portable electronics.
3. LED Drivers: Regulating current for LED lighting applications.
4. Consumer Electronics: Providing stable voltage to devices like smartphones and tablets.
5. Industrial Equipment: Powering sensors and actuators in automation systems.
6. Telecommunications: Powering communication devices and infrastructure.
Its versatility and efficiency make it suitable for a wide range of applications requiring regulated DC output.
Package
The LT3505EMS8E is packaged in an 8-lead MSOP (Mini Small Outline Package) with a 3mm x 3mm footprint. This compact package type is designed for efficient thermal performance and space savings in electronic circuits.
