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規格
| 屬性 | 價值 |
| Brand | Analog Devices |
| Product Type | Switching Voltage Regulators |
| Subcategory | PMIC - Power Management ICs |
| Mounting Type | SMD/SMT |
| Package / Case | DFN-6 |
| Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 85 C |
| Topology | Buck |
| Output Voltage | Adjustable |
| Current - Output | 1 A |
| Number of Outputs | 1 Output |
| Input Voltage - Min | 3.6 V |
| Input Voltage - Max | 20 V |
| Frequency - Switching | 2.2 MHz |
| Shipping Restrictions | Mouser does not presently sell this product in your region. |
| Series | LT3503 |
| Current - Supply | 1.9 mA |
概述
Description
LT3503EDCB is a high-performance step-down (buck) DC-DC converter designed for efficient voltage regulation in various applications. It features a wide input voltage range, typically from 4.5V to 60V, making it suitable for industrial and automotive environments. The converter provides adjustable output voltage options, allowing users to tailor it to specific needs.
Key specifications often include high efficiency, sometimes exceeding 95%, low quiescent current, and the ability to handle significant output loads, which is ideal for powering microcontrollers, sensors, and other peripherals.
LT3503EDCB also incorporates features like short-circuit protection, thermal shutdown, and soft-start, enhancing reliability and performance. Its compact package design facilitates integration into space-constrained applications.
Engineers use this device for projects requiring robust power management solutions, ensuring stable and efficient operation across a range of temperatures and conditions.
Key specifications often include high efficiency, sometimes exceeding 95%, low quiescent current, and the ability to handle significant output loads, which is ideal for powering microcontrollers, sensors, and other peripherals.
LT3503EDCB also incorporates features like short-circuit protection, thermal shutdown, and soft-start, enhancing reliability and performance. Its compact package design facilitates integration into space-constrained applications.
Engineers use this device for projects requiring robust power management solutions, ensuring stable and efficient operation across a range of temperatures and conditions.
Equivalent
The LT3503EDCB is a synchronous step-down DC-DC converter. Equivalent products include the TPS563201 from Texas Instruments, the LM2596 from Texas Instruments, and the LM2675 from Texas Instruments. Other alternatives are the MCP16331 from Microchip and the MICREL MICROCHIP products like MICROCHIP MIC39100. Always check specific voltage, current ratings, and features for compatibility.
Features
The LT3503EDCB is a high-performance, high-efficiency DC/DC step-down (buck) regulator. Key features include:
1. Input Voltage Range: Operates from 3V to 32V, making it compatible with a wide range of power sources.
2. Output Current: Delivers up to 3A output current, suitable for various applications.
3. Adjustable Output Voltage: Output voltage can be set from 0.8V to 15V via external resistors.
4. High Efficiency: Achieves efficiencies up to 95%, minimizing heat generation and enhancing performance.
5. Internal Switch: Incorporates a built-in power switch that simplifies design and reduces component count.
6. Soft Start: Features a soft start function to reduce inrush current during startup.
7. Thermal Protection: Includes thermal shutdown and current limiting to ensure device safety.
8. Package Type: Offered in a compact 10-lead thermally-enhanced MSOP package for space-efficient designs.
These features make the LT3503EDCB ideal for powering microcontrollers, sensors, and other low-voltage devices in various applications.
1. Input Voltage Range: Operates from 3V to 32V, making it compatible with a wide range of power sources.
2. Output Current: Delivers up to 3A output current, suitable for various applications.
3. Adjustable Output Voltage: Output voltage can be set from 0.8V to 15V via external resistors.
4. High Efficiency: Achieves efficiencies up to 95%, minimizing heat generation and enhancing performance.
5. Internal Switch: Incorporates a built-in power switch that simplifies design and reduces component count.
6. Soft Start: Features a soft start function to reduce inrush current during startup.
7. Thermal Protection: Includes thermal shutdown and current limiting to ensure device safety.
8. Package Type: Offered in a compact 10-lead thermally-enhanced MSOP package for space-efficient designs.
These features make the LT3503EDCB ideal for powering microcontrollers, sensors, and other low-voltage devices in various applications.
Pinout
The LT3503EDCB is a step-down DC-DC converter from Analog Devices. It has a total of 20 pins. The primary functions of these pins include the following:
1. Power Inputs: VIN (input voltage) and GND (ground).
2. Switching Control: SW (switch), which connects to an external inductor.
3. Feedback and Compensation: FB (feedback) for voltage regulation, and COMP (compensation) for stability.
4. Enable and Mode Control: EN (enable) to turn the device on or off, and MODE to select between modes of operation.
5. Output Voltage: VOUT pins for the regulated output voltage.
6. Additional Functions: SS (soft-start), PG (power good), and other pins for features like bootstrapping and frequency setting.
The LT3503EDCB operates with high efficiency and can deliver a regulated output voltage, making it suitable for various applications in power management.
1. Power Inputs: VIN (input voltage) and GND (ground).
2. Switching Control: SW (switch), which connects to an external inductor.
3. Feedback and Compensation: FB (feedback) for voltage regulation, and COMP (compensation) for stability.
4. Enable and Mode Control: EN (enable) to turn the device on or off, and MODE to select between modes of operation.
5. Output Voltage: VOUT pins for the regulated output voltage.
6. Additional Functions: SS (soft-start), PG (power good), and other pins for features like bootstrapping and frequency setting.
The LT3503EDCB operates with high efficiency and can deliver a regulated output voltage, making it suitable for various applications in power management.
Manufacturer
The LT3503EDCB is manufactured by Analog Devices, Inc. Analog Devices is a global semiconductor company that specializes in data conversion, signal processing, and power management technologies. Founded in 1965 and headquartered in Norwood, Massachusetts, the company develops a wide range of integrated circuits (ICs) and solutions for various applications, including industrial automation, automotive systems, communications, and consumer electronics.
Analog Devices is recognized for its high-performance analog, mixed-signal, and digital signal processing (DSP) technologies. The LT3503EDCB specifically is a high-efficiency step-down voltage regulator that provides power management solutions in compact designs, making it suitable for various electronic applications where space and efficiency are crucial. The company's emphasis on innovation and quality has established it as a leader in the semiconductor industry.
Analog Devices is recognized for its high-performance analog, mixed-signal, and digital signal processing (DSP) technologies. The LT3503EDCB specifically is a high-efficiency step-down voltage regulator that provides power management solutions in compact designs, making it suitable for various electronic applications where space and efficiency are crucial. The company's emphasis on innovation and quality has established it as a leader in the semiconductor industry.
Application
The LT3503EDCB is a high-efficiency, step-down (buck) DC-DC converter designed for various applications, including:
1. Power Supply for Portable Devices: Ideal for battery-powered applications, providing regulated voltage from varying input sources.
2. Point of Load Regulation: Utilized in systems requiring efficient voltage regulation near critical components.
3. Communication Equipment: Powers RF and communication devices with stable output.
4. Industrial Automation: Supplies power for sensors and control systems.
5. LED Drivers: Can be used for driving LED lighting solutions with precise current control.
Its versatility makes it suitable for multiple applications needing reliable voltage regulation.
1. Power Supply for Portable Devices: Ideal for battery-powered applications, providing regulated voltage from varying input sources.
2. Point of Load Regulation: Utilized in systems requiring efficient voltage regulation near critical components.
3. Communication Equipment: Powers RF and communication devices with stable output.
4. Industrial Automation: Supplies power for sensors and control systems.
5. LED Drivers: Can be used for driving LED lighting solutions with precise current control.
Its versatility makes it suitable for multiple applications needing reliable voltage regulation.
Package
The LT3503EDCB is available in a 16-lead TSSOP (Thin Shrink Small Outline Package) type package.