Спецификации
| Атрибут | Ценность |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | SIMPLE SWITCHER® |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.2V |
| Voltage - Input (Max) | 65V |
| Voltage - Output (Min/Fixed) | 1V |
| Voltage - Output (Max) | 28V |
| Current - Output | 2A |
| Frequency - Switching | 400kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Обзор
Description
The LMR36520FADDAR is a high-performance, synchronous buck DC-DC converter developed by Texas Instruments. It is part of the LMR36520 series, which is designed for efficient power conversion in a compact form factor. This specific converter can handle input voltages ranging from 4.2 V to 65 V and deliver up to 2 A of output current, making it suitable for a wide range of applications, including industrial and automotive systems.
Key features include high efficiency at light and heavy loads, an adjustable switching frequency, and integrated MOSFETs, which minimize the need for external components and simplify the overall design. Additionally, the device supports a wide temperature range, enhancing its reliability in harsh environments. Other notable features include soft-start, under-voltage lockout, and over-current protection, ensuring robust operation. The LMR36520FADDAR is typically used in space-constrained applications that require high efficiency and reliability, such as point-of-load supplies, battery-powered devices, and distributed power systems.
Key features include high efficiency at light and heavy loads, an adjustable switching frequency, and integrated MOSFETs, which minimize the need for external components and simplify the overall design. Additionally, the device supports a wide temperature range, enhancing its reliability in harsh environments. Other notable features include soft-start, under-voltage lockout, and over-current protection, ensuring robust operation. The LMR36520FADDAR is typically used in space-constrained applications that require high efficiency and reliability, such as point-of-load supplies, battery-powered devices, and distributed power systems.
Equivalent
The LMR36520FADDAR is a step-down DC-DC converter from Texas Instruments. Equivalent products include:
1. LMR33620 - Another Texas Instruments step-down converter with similar specifications.
2. MP2459 - A DC-DC converter by Monolithic Power Systems with comparable features.
3. LT8609 - A step-down regulator from Analog Devices with similar functionality.
4. TPS54302 - Also from Texas Instruments, offering similar output capabilities.
Always verify specific requirements like voltage, current, and package compatibility when selecting alternatives.
1. LMR33620 - Another Texas Instruments step-down converter with similar specifications.
2. MP2459 - A DC-DC converter by Monolithic Power Systems with comparable features.
3. LT8609 - A step-down regulator from Analog Devices with similar functionality.
4. TPS54302 - Also from Texas Instruments, offering similar output capabilities.
Always verify specific requirements like voltage, current, and package compatibility when selecting alternatives.
Features
The LMR36520FADDAR is a step-down DC-DC converter. Key features include:
1. Input Voltage Range: It operates with an input voltage range from 4.2V to 65V, making it suitable for a variety of applications.
2. Output Current: The device can deliver up to 2A of continuous output current.
3. Efficiency: High efficiency across a wide load range due to synchronous rectification.
4. Switching Frequency: It supports a programmable switching frequency of up to 2.2MHz, aiding in optimizing size and performance.
5. Low Quiescent Current: Designed for low standby power consumption with a 15 µA quiescent current, enhancing battery life in portable applications.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to ensure robust performance and reliability.
7. Package: Available in a compact, thermally enhanced 8-pin HVSSOP package, which is suitable for space-constrained applications.
8. Applications: Ideal for use in industrial, automotive, and communications systems where high efficiency and small solution size are critical.
These features make the LMR36520FADDAR a versatile choice for power management in various electronic systems.
1. Input Voltage Range: It operates with an input voltage range from 4.2V to 65V, making it suitable for a variety of applications.
2. Output Current: The device can deliver up to 2A of continuous output current.
3. Efficiency: High efficiency across a wide load range due to synchronous rectification.
4. Switching Frequency: It supports a programmable switching frequency of up to 2.2MHz, aiding in optimizing size and performance.
5. Low Quiescent Current: Designed for low standby power consumption with a 15 µA quiescent current, enhancing battery life in portable applications.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to ensure robust performance and reliability.
7. Package: Available in a compact, thermally enhanced 8-pin HVSSOP package, which is suitable for space-constrained applications.
8. Applications: Ideal for use in industrial, automotive, and communications systems where high efficiency and small solution size are critical.
These features make the LMR36520FADDAR a versatile choice for power management in various electronic systems.
Pinout
The LMR36520FADDAR is a DC-DC buck converter from Texas Instruments. It typically comes in a small, 12-pin package, known as WSON (DSG). This converter is designed for step-down power supply applications and can handle input voltages up to 65V, delivering an output current of up to 2A.
The pins typically function as follows:
1. VIN: Input voltage supply.
2. SW: Switch node, connected to the inductor.
3. BOOT: Bootstrap capacitor connection for high-side gate drive.
4. EN: Enable pin, for turning the device on and off.
5. FB: Feedback input for output voltage regulation.
6. RT: Resistor timing for setting switching frequency.
7. VCC: Internal supply voltage for device operation.
8. AGND: Analog ground.
9. PGND: Power ground.
10. SS/TRK: Soft start and tracking.
11. PG: Power good indicator.
12. NC: No connection, usually left floating.
These functions may vary slightly based on specific design implementations, so always refer to the official datasheet for precise information.
The pins typically function as follows:
1. VIN: Input voltage supply.
2. SW: Switch node, connected to the inductor.
3. BOOT: Bootstrap capacitor connection for high-side gate drive.
4. EN: Enable pin, for turning the device on and off.
5. FB: Feedback input for output voltage regulation.
6. RT: Resistor timing for setting switching frequency.
7. VCC: Internal supply voltage for device operation.
8. AGND: Analog ground.
9. PGND: Power ground.
10. SS/TRK: Soft start and tracking.
11. PG: Power good indicator.
12. NC: No connection, usually left floating.
These functions may vary slightly based on specific design implementations, so always refer to the official datasheet for precise information.
Manufacturer
The LMR36520FADDAR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and systems. It is well-known for its development and manufacturing of integrated circuits (ICs), including analog chips, embedded processors, and digital light processing (DLP) technology. Texas Instruments serves various industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company focuses on innovation and providing solutions that enhance efficiency, performance, and reliability in electronic devices.
Application
The LMR36520FADDAR is a DC-DC step-down voltage regulator ideal for various applications due to its efficiency and compact design. Key application areas include:
1. Industrial Automation: Provides reliable power for sensors and control units.
2. Telecommunications: Powers network devices and infrastructure components.
3. Automotive Systems: Suitable for infotainment and advanced driver-assistance systems (ADAS).
4. Consumer Electronics: Used in devices requiring stable voltage regulation, such as laptops and gaming consoles.
5. IoT Devices: Supports low-power, compact solutions for connected devices.
6. Power Management Systems: Integral in battery-powered systems for energy-efficient power conversion.
These applications benefit from its high efficiency, wide input voltage range, and thermal performance.
1. Industrial Automation: Provides reliable power for sensors and control units.
2. Telecommunications: Powers network devices and infrastructure components.
3. Automotive Systems: Suitable for infotainment and advanced driver-assistance systems (ADAS).
4. Consumer Electronics: Used in devices requiring stable voltage regulation, such as laptops and gaming consoles.
5. IoT Devices: Supports low-power, compact solutions for connected devices.
6. Power Management Systems: Integral in battery-powered systems for energy-efficient power conversion.
These applications benefit from its high efficiency, wide input voltage range, and thermal performance.
Package
The LMR36520FADDAR is typically available in a leadless package type, specifically a VQFN (Very Thin Quad Flat No-lead) package. This design enhances thermal performance and reduces space requirements, making it suitable for compact and efficient electronic applications.
