仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 28V |
| Current - Output | 600mA |
| Frequency - Switching | 1.1MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
概要
Description
The LMR54406FDBVR is a step-down DC-DC converter produced by Texas Instruments. It is part of the SIMPLE SWITCHER® family, designed for power management applications. The device operates with an input voltage range of 4 V to 36 V and provides a fixed output voltage of 6 V. It can deliver up to 0.6 A of continuous output current, making it suitable for a variety of low-power applications.
The LMR54406FDBVR features high efficiency, low quiescent current, and a high switching frequency, which allows for the use of small external components and supports compact design layouts. It integrates protection features such as thermal shutdown and current limiting, enhancing reliability and safety. Additionally, its SOT-23 package makes it ideal for space-constrained designs.
This converter is commonly used in applications like industrial automation, consumer electronics, and distributed power systems, where efficient voltage regulation is essential. Its ease of use, flexibility, and robust performance make it a popular choice among engineers.
The LMR54406FDBVR features high efficiency, low quiescent current, and a high switching frequency, which allows for the use of small external components and supports compact design layouts. It integrates protection features such as thermal shutdown and current limiting, enhancing reliability and safety. Additionally, its SOT-23 package makes it ideal for space-constrained designs.
This converter is commonly used in applications like industrial automation, consumer electronics, and distributed power systems, where efficient voltage regulation is essential. Its ease of use, flexibility, and robust performance make it a popular choice among engineers.
Equivalent
The LMR54406FDBVR is a step-down (buck) DC-DC converter by Texas Instruments. Equivalent products might include the LM76003 from Texas Instruments, the MP2451 from Monolithic Power Systems, the ADP2300 from Analog Devices, and the LT8609 from Analog Devices (formerly Linear Technology). These alternatives are chosen based on similar functionality and electrical characteristics. Always verify compatibility based on your specific application requirements.
Features
The LMR54406FDBVR is a step-down DC-DC converter from Texas Instruments. Key features include:
1. Input Voltage Range: Operates from 4 V to 36 V, making it suitable for a wide range of applications including industrial and automotive.
2. Output Current: Capable of delivering up to 600 mA output current.
3. Switching Frequency: Features a fixed 2.1 MHz switching frequency, which allows for small external components and a compact design.
4. Efficiency: High efficiency up to 92%, reducing power loss and heat generation.
5. Low Quiescent Current: Designed for applications requiring low power consumption, with a quiescent current of just 23 µA.
6. Protection Features: Includes protection features such as cycle-by-cycle current limiting, thermal shutdown, and output overvoltage protection.
7. Design Flexibility: Comes in a small SOT-23-6 package, facilitating space-constrained designs.
8. Temperature Range: Operates over a wide temperature range from -40°C to 125°C.
These features make the LMR54406FDBVR suitable for applications requiring efficient, compact, and reliable DC-DC conversion.
1. Input Voltage Range: Operates from 4 V to 36 V, making it suitable for a wide range of applications including industrial and automotive.
2. Output Current: Capable of delivering up to 600 mA output current.
3. Switching Frequency: Features a fixed 2.1 MHz switching frequency, which allows for small external components and a compact design.
4. Efficiency: High efficiency up to 92%, reducing power loss and heat generation.
5. Low Quiescent Current: Designed for applications requiring low power consumption, with a quiescent current of just 23 µA.
6. Protection Features: Includes protection features such as cycle-by-cycle current limiting, thermal shutdown, and output overvoltage protection.
7. Design Flexibility: Comes in a small SOT-23-6 package, facilitating space-constrained designs.
8. Temperature Range: Operates over a wide temperature range from -40°C to 125°C.
These features make the LMR54406FDBVR suitable for applications requiring efficient, compact, and reliable DC-DC conversion.
Pinout
The LMR54406FDBVR is a step-down voltage regulator from Texas Instruments. It comes in a 6-pin SOT-23 package. The pin functions are as follows:
1. SW (Switching Node): Connects to the inductor and provides the switching current.
2. GND (Ground): Common ground reference for the input and output.
3. FB (Feedback): Connects to the output voltage divider to set the output voltage.
4. EN (Enable): Used to enable or disable the regulator.
5. VIN (Input Voltage): Connects to the input supply voltage.
6. BOOT (Bootstrap): Connects to a capacitor from this pin to SW to drive the internal high-side MOSFET gate.
These pins facilitate the regulator's function of efficiently stepping down higher input voltages to lower output voltages in electronic circuits.
1. SW (Switching Node): Connects to the inductor and provides the switching current.
2. GND (Ground): Common ground reference for the input and output.
3. FB (Feedback): Connects to the output voltage divider to set the output voltage.
4. EN (Enable): Used to enable or disable the regulator.
5. VIN (Input Voltage): Connects to the input supply voltage.
6. BOOT (Bootstrap): Connects to a capacitor from this pin to SW to drive the internal high-side MOSFET gate.
These pins facilitate the regulator's function of efficiently stepping down higher input voltages to lower output voltages in electronic circuits.
Manufacturer
The LMR54406FDBVR is manufactured by Texas Instruments, an American technology company. Texas Instruments is known for designing and manufacturing semiconductors and various integrated circuits, which are sold to electronics designers and manufacturers globally. The company operates in a range of sectors, including industrial, automotive, personal electronics, communications equipment, and enterprise systems, making it a key player in the semiconductor industry.
Application
The LMR54406FDBVR is a DC-DC buck converter designed for applications requiring efficient voltage regulation. Its key application areas include:
1. Telecommunications: Provides stable power to communication equipment.
2. Industrial Automation: Powers sensors, controls, and actuators in automated systems.
3. Consumer Electronics: Used in devices like smartphones, tablets, and laptops for efficient battery management.
4. IoT Devices: Supports low-power applications for connected devices.
5. Automotive: Powers electronic control units (ECUs) and infotainment systems.
6. Embedded Systems: Supplies regulated voltage for microcontrollers and other components.
The LMR54406FDBVR's high efficiency and compact size make it suitable for space-constrained and battery-operated applications.
1. Telecommunications: Provides stable power to communication equipment.
2. Industrial Automation: Powers sensors, controls, and actuators in automated systems.
3. Consumer Electronics: Used in devices like smartphones, tablets, and laptops for efficient battery management.
4. IoT Devices: Supports low-power applications for connected devices.
5. Automotive: Powers electronic control units (ECUs) and infotainment systems.
6. Embedded Systems: Supplies regulated voltage for microcontrollers and other components.
The LMR54406FDBVR's high efficiency and compact size make it suitable for space-constrained and battery-operated applications.
Package
The LMR54406FDBVR is a DC-DC buck converter from Texas Instruments. It comes in a SOT-23-6 package, which is a small outline, 6-pin surface-mount package suitable for compact electronic designs.
