사양
| 속성 | 가치 |
| 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 | 3A |
| Frequency-Switching | 2.1MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
개요
Description
The LMR33630CDDAR is a DC-DC buck converter designed by Texas Instruments. It is part of the LMR33630 series and is known for its high efficiency and compact size, making it suitable for a wide range of applications including industrial, automotive, and telecommunications. The device operates with an input voltage range of 3.8 V to 36 V and can deliver an output current of up to 3 A. It supports a fixed switching frequency of 400 kHz or 2.1 MHz, which aids in minimizing external component size while maintaining high performance.
Key features of the LMR33630CDDAR include low quiescent current, high efficiency across the load range, and robust protection mechanisms such as cycle-by-cycle current limit, thermal shutdown, and hiccup mode for short circuit protection. The device is housed in a thermally-enhanced 8-pin HSOIC package, which allows for ease of use in space-constrained applications. Its combination of efficiency, compactness, and reliability makes it a versatile choice for power management solutions in various electronic systems.
Key features of the LMR33630CDDAR include low quiescent current, high efficiency across the load range, and robust protection mechanisms such as cycle-by-cycle current limit, thermal shutdown, and hiccup mode for short circuit protection. The device is housed in a thermally-enhanced 8-pin HSOIC package, which allows for ease of use in space-constrained applications. Its combination of efficiency, compactness, and reliability makes it a versatile choice for power management solutions in various electronic systems.
Equivalent
The LMR33630CDDAR is a 3.8-V to 36-V, 3.5-A synchronous buck converter from Texas Instruments. Equivalent products include:
1. LMR33630 series variants (different packaging or specifications).
2. MP2459 from Monolithic Power Systems.
3. RT7276 from Richtek.
4. LT8609S from Analog Devices.
5. TPS54331 from Texas Instruments.
When selecting an equivalent, ensure to verify the specifications such as input voltage range, output current capability, and package type match your requirements.
1. LMR33630 series variants (different packaging or specifications).
2. MP2459 from Monolithic Power Systems.
3. RT7276 from Richtek.
4. LT8609S from Analog Devices.
5. TPS54331 from Texas Instruments.
When selecting an equivalent, ensure to verify the specifications such as input voltage range, output current capability, and package type match your requirements.
Features
The LMR33630CDDAR is a step-down DC-DC converter with the following features:
1. Input Voltage Range: Operates from 3.8V to 36V, suitable for various applications.
2. Output Current: Supports up to 3A of continuous output current.
3. Efficiency: High efficiency of up to 95%, minimizing heat and power loss.
4. Switching Frequency: Adjustable and fixed-frequency options, allowing flexibility in design.
5. Low Quiescent Current: Optimized for low-power applications, enhancing battery life.
6. Output Voltage: Adjustable output voltage with precise regulation.
7. Protection Features: Includes thermal shutdown, cycle-by-cycle current limiting, and short-circuit protection for reliability.
8. Package Type: Available in a small, thermally efficient package for space-constrained designs.
9. Soft Start: Integrated soft-start feature to limit inrush current during startup.
10. EMI Performance: Designed to meet stringent electromagnetic interference standards.
11. Operating Temperature Range: Suitable for a wide range of industrial and consumer environments.
These features make the LMR33630CDDAR a versatile choice for applications requiring efficient and reliable power conversion.
1. Input Voltage Range: Operates from 3.8V to 36V, suitable for various applications.
2. Output Current: Supports up to 3A of continuous output current.
3. Efficiency: High efficiency of up to 95%, minimizing heat and power loss.
4. Switching Frequency: Adjustable and fixed-frequency options, allowing flexibility in design.
5. Low Quiescent Current: Optimized for low-power applications, enhancing battery life.
6. Output Voltage: Adjustable output voltage with precise regulation.
7. Protection Features: Includes thermal shutdown, cycle-by-cycle current limiting, and short-circuit protection for reliability.
8. Package Type: Available in a small, thermally efficient package for space-constrained designs.
9. Soft Start: Integrated soft-start feature to limit inrush current during startup.
10. EMI Performance: Designed to meet stringent electromagnetic interference standards.
11. Operating Temperature Range: Suitable for a wide range of industrial and consumer environments.
These features make the LMR33630CDDAR a versatile choice for applications requiring efficient and reliable power conversion.
Pinout
The LMR33630CDDAR is a buck converter IC from Texas Instruments, designed for step-down DC-DC conversion. It comes in an 8-pin VSON (Very Thin Small Outline No-Lead) package. Here is a brief overview of its pin functions:
1. VIN: Input voltage supply. Connect to the input power source.
2. SW: Switching node. Connect to the inductor.
3. GND: Ground. Reference point for the IC.
4. FB: Feedback. Connect to the output voltage divider to set the output voltage.
5. EN: Enable. A logic high signal on this pin enables the converter.
6. PG: Power Good. An open-drain output that indicates when the output voltage is within regulation.
7. SS/TRK: Soft-start/Tracking. Used to control the soft-start time or track another voltage.
8. RT/CLK: Resistor Timing/Clock. Used to set the switching frequency or synchronize to an external clock.
This IC is commonly used in applications requiring efficient voltage regulation with up to 3 A of continuous output current.
1. VIN: Input voltage supply. Connect to the input power source.
2. SW: Switching node. Connect to the inductor.
3. GND: Ground. Reference point for the IC.
4. FB: Feedback. Connect to the output voltage divider to set the output voltage.
5. EN: Enable. A logic high signal on this pin enables the converter.
6. PG: Power Good. An open-drain output that indicates when the output voltage is within regulation.
7. SS/TRK: Soft-start/Tracking. Used to control the soft-start time or track another voltage.
8. RT/CLK: Resistor Timing/Clock. Used to set the switching frequency or synchronize to an external clock.
This IC is commonly used in applications requiring efficient voltage regulation with up to 3 A of continuous output current.
Manufacturer
The LMR33630CDDAR is manufactured by Texas Instruments (TI). Texas Instruments is a multinational corporation headquartered in Dallas, Texas, specializing in the design and manufacture of semiconductors and integrated circuits. The company is well-known for its development of analog chips and embedded processors, which are key components used across various electronic devices and applications. TI's products are widely used in a range of industries including automotive, industrial, personal electronics, communications, and enterprise systems. As a major player in the semiconductor industry, Texas Instruments focuses on innovation and providing scalable solutions to meet the needs of its diverse customer base.
Application
The LMR33630CDDAR is a DC-DC buck converter used in various applications due to its efficiency and compact size. Key application areas include:
1. Industrial Power Systems: Provides reliable power management in automation and control systems.
2. Telecommunications: Supports power supply needs in networking equipment.
3. Consumer Electronics: Powers devices like set-top boxes and digital cameras.
4. Automotive: Integrates into infotainment systems and advanced driver-assistance systems (ADAS).
5. Medical Devices: Ensures stable power in portable and diagnostic equipment.
Its wide input voltage range and high efficiency make it versatile for numerous power management solutions.
1. Industrial Power Systems: Provides reliable power management in automation and control systems.
2. Telecommunications: Supports power supply needs in networking equipment.
3. Consumer Electronics: Powers devices like set-top boxes and digital cameras.
4. Automotive: Integrates into infotainment systems and advanced driver-assistance systems (ADAS).
5. Medical Devices: Ensures stable power in portable and diagnostic equipment.
Its wide input voltage range and high efficiency make it versatile for numerous power management solutions.
Package
The LMR33630CDDAR is a DC-DC buck converter from Texas Instruments. It comes in a VSON (Very Thin Small Outline No-Lead) package, specifically a 10-pin VSON with dimensions of 3.00 mm x 3.00 mm. This type of packaging is designed for compact and efficient mounting on circuit boards, offering good thermal performance and reliability.
