仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | SIMPLE SWITCHER® |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 3.8V |
| Voltage-Input(Max) | 36V |
| Voltage-Output(Min/Fixed) | 1V |
| Voltage-Output(Max) | 24V |
| Current-Output | 2A |
| Frequency-Switching | 400kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
概要
Description
The LMR33620ADDAR is a step-down (buck) DC-DC converter designed by Texas Instruments. It is part of the SIMPLE SWITCHER® family, which offers ease of use and flexibility for power supply applications. The LMR33620ADDAR is capable of delivering a continuous output current of up to 2 A, making it suitable for powering a wide range of applications, including industrial and consumer electronics.
This converter operates over a wide input voltage range of 3.8 V to 36 V, which makes it versatile for different power sources, including batteries and unregulated power supplies. It features an adjustable output voltage, typically ranging from 1 V to 24 V, allowing customization based on specific application needs.
The LMR33620ADDAR is known for its high efficiency, which can exceed 90%, reducing heat generation and improving energy conservation. It also includes features such as internal compensation, current mode control for fast transient response, and built-in protection mechanisms like thermal shutdown and short-circuit protection.
Overall, the LMR33620ADDAR is a reliable and efficient choice for step-down conversion in various electronic applications.
This converter operates over a wide input voltage range of 3.8 V to 36 V, which makes it versatile for different power sources, including batteries and unregulated power supplies. It features an adjustable output voltage, typically ranging from 1 V to 24 V, allowing customization based on specific application needs.
The LMR33620ADDAR is known for its high efficiency, which can exceed 90%, reducing heat generation and improving energy conservation. It also includes features such as internal compensation, current mode control for fast transient response, and built-in protection mechanisms like thermal shutdown and short-circuit protection.
Overall, the LMR33620ADDAR is a reliable and efficient choice for step-down conversion in various electronic applications.
Equivalent
The LMR33620ADDAR is a DC-DC buck converter from Texas Instruments. Equivalent products include:
1. LMR33630ADDAR - A similar TI device with higher current capacity.
2. LM2596 - A widely used 3A step-down voltage regulator from various manufacturers.
3. MP1584EN - A compact, adjustable step-down converter from Monolithic Power Systems.
4. AP3211 - A 3A synchronous buck converter from Diodes Incorporated.
Ensure specific requirements align when selecting substitutes.
1. LMR33630ADDAR - A similar TI device with higher current capacity.
2. LM2596 - A widely used 3A step-down voltage regulator from various manufacturers.
3. MP1584EN - A compact, adjustable step-down converter from Monolithic Power Systems.
4. AP3211 - A 3A synchronous buck converter from Diodes Incorporated.
Ensure specific requirements align when selecting substitutes.
Features
The LMR33620ADDAR is a step-down DC-DC converter from Texas Instruments, designed for efficient power management. It features a wide input voltage range from 3.8V to 36V, making it suitable for a variety of applications. The device delivers a maximum output current of 2A, ensuring robust performance for moderate load demands.
Key features include a high-efficiency operation of up to 92%, which helps in minimizing heat dissipation and improving system reliability. It operates with a fixed switching frequency, aiding in predictable noise performance and simpler filter design. The LMR33620ADDAR also incorporates a low quiescent current of about 75 µA, which is advantageous for battery-powered applications by extending battery life.
Additional features include built-in protection mechanisms such as overcurrent protection, thermal shutdown, and undervoltage lockout, enhancing device reliability. It is available in a small, thermally enhanced 8-pin SO PowerPAD package, making it suitable for space-constrained designs. Overall, the LMR33620ADDAR offers a compact, efficient, and reliable solution for step-down voltage regulation needs.
Key features include a high-efficiency operation of up to 92%, which helps in minimizing heat dissipation and improving system reliability. It operates with a fixed switching frequency, aiding in predictable noise performance and simpler filter design. The LMR33620ADDAR also incorporates a low quiescent current of about 75 µA, which is advantageous for battery-powered applications by extending battery life.
Additional features include built-in protection mechanisms such as overcurrent protection, thermal shutdown, and undervoltage lockout, enhancing device reliability. It is available in a small, thermally enhanced 8-pin SO PowerPAD package, making it suitable for space-constrained designs. Overall, the LMR33620ADDAR offers a compact, efficient, and reliable solution for step-down voltage regulation needs.
Pinout
The LMR33620ADDAR is a DC-DC buck converter from Texas Instruments. It is a 2A, synchronous step-down regulator with a 36V input voltage capability. This component is available in an 8-pin package. Here is a brief overview of its pin functions:
1. VIN: Input voltage pin where the supply voltage is connected.
2. EN: Enable pin to turn the device on or off.
3. GND: Ground pin for the device.
4. BOOT: Bootstrap capacitor connection for the high-side FET driver.
5. SW: Switch node pin that connects to the inductor.
6. FB: Feedback pin used to set the output voltage with a resistor divider.
7. VCC: Internal LDO output; decouple with a capacitor.
8. RT/SYNC: Resistor timing pin to set the switching frequency or synchronize to an external clock.
The LMR33620ADDAR is designed for efficient power conversion in a compact form factor, suitable for a range of applications requiring step-down voltage conversion.
1. VIN: Input voltage pin where the supply voltage is connected.
2. EN: Enable pin to turn the device on or off.
3. GND: Ground pin for the device.
4. BOOT: Bootstrap capacitor connection for the high-side FET driver.
5. SW: Switch node pin that connects to the inductor.
6. FB: Feedback pin used to set the output voltage with a resistor divider.
7. VCC: Internal LDO output; decouple with a capacitor.
8. RT/SYNC: Resistor timing pin to set the switching frequency or synchronize to an external clock.
The LMR33620ADDAR is designed for efficient power conversion in a compact form factor, suitable for a range of applications requiring step-down voltage conversion.
Manufacturer
The LMR33620ADDAR is manufactured by Texas Instruments Incorporated. Texas Instruments, commonly known as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. The company is one of the largest semiconductor manufacturers globally and supplies products to a variety of industries including automotive, industrial, personal electronics, and communications equipment markets. TI is well-known for its innovation in the development of analog chips and embedded processors, which are essential components in electronic devices. The company is headquartered in Dallas, Texas, and has a strong emphasis on research and development to maintain its competitive edge in the technology sector.
Application
The LMR33620ADDAR is a DC-DC buck converter primarily used in applications requiring efficient voltage regulation. Key application areas include:
1. Industrial Power Supplies: Utilized in factory automation, process control, and robotics for stable power delivery.
2. Telecommunications: Powers networking equipment, base stations, and communication devices.
3. Automotive Electronics: Supports infotainment systems, ADAS, and engine control units.
4. Consumer Electronics: Used in devices like TVs, laptops, and gaming consoles for reliable power conversion.
5. Medical Devices: Ensures efficient power supply in diagnostic and monitoring equipment.
Its versatility makes it suitable for any application requiring efficient voltage step-down from a higher voltage source.
1. Industrial Power Supplies: Utilized in factory automation, process control, and robotics for stable power delivery.
2. Telecommunications: Powers networking equipment, base stations, and communication devices.
3. Automotive Electronics: Supports infotainment systems, ADAS, and engine control units.
4. Consumer Electronics: Used in devices like TVs, laptops, and gaming consoles for reliable power conversion.
5. Medical Devices: Ensures efficient power supply in diagnostic and monitoring equipment.
Its versatility makes it suitable for any application requiring efficient voltage step-down from a higher voltage source.
Package
The LMR33620ADDAR is a DC-DC buck converter from Texas Instruments, and it comes in a small package type known as the VSON (Very Thin Small Outline No-lead) package. Specifically, the dimensions are 3.00 mm x 3.00 mm with a height of 0.75 mm, featuring 12 pins.
