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LM5022MMX
+BOMIC REG CTRLR BOOST/SEPIC 10MSOP
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メーカーSTマイクロエレクトロニクス
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メーカー品番 #LM5022MMX
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在庫状況6988
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Part Status | Obsolete |
| Base Product Number | LM5022 |
| Output Type | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Boost, SEPIC |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 6V ~ 60V |
| Frequency - Switching | 200kHz ~ 990kHz |
| Duty Cycle (Max) | 95% |
| Synchronous Rectifier | No |
| Clock Sync | Yes |
| Control Features | Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 10-VSSOP |
| Packaging | Tape & Reel (TR) |
概要
Description
The LM5022MMX is a high-performance, low-side N-channel MOSFET controller specifically designed for boost or flyback voltage regulator applications. It is manufactured by Texas Instruments and is known for its operational flexibility and efficiency. The controller supports a wide input voltage range from 4.5V to 60V, making it suitable for a variety of applications, including battery-powered systems, automotive, and industrial power supplies.
Key features of the LM5022MMX include a fixed-frequency operation for predictable switching characteristics, adjustable output voltage, and programmable soft-start to control inrush current. It also features current mode control for superior line and load regulation, and thermal shutdown to protect the device from overheating.
The device is packaged in a small, thermally efficient package and includes integrated features such as an error amplifier, precision reference, and a high-speed oscillator. This makes the LM5022MMX an excellent choice for designers looking to implement efficient, compact, and reliable DC-DC conversion solutions.
Key features of the LM5022MMX include a fixed-frequency operation for predictable switching characteristics, adjustable output voltage, and programmable soft-start to control inrush current. It also features current mode control for superior line and load regulation, and thermal shutdown to protect the device from overheating.
The device is packaged in a small, thermally efficient package and includes integrated features such as an error amplifier, precision reference, and a high-speed oscillator. This makes the LM5022MMX an excellent choice for designers looking to implement efficient, compact, and reliable DC-DC conversion solutions.
Equivalent
The LM5022MMX is a high-voltage, wide-input range boost controller by Texas Instruments. Equivalent products include the LT3759 from Analog Devices, which offers similar functionality with a wide input range and boost topology, and the MAX1771 from Maxim Integrated, which serves as another alternative for boost converter applications. When selecting an equivalent, ensure to compare specific parameters like input voltage range, switching frequency, and output current capability to match the application requirements.
Features
The LM5022MMX is a high-voltage, low-side N-channel MOSFET controller primarily designed for boost or flyback configurations. Key features include:
1. Wide Input Voltage Range: It can operate from 4.5V to 60V, making it suitable for diverse applications.
2. High-Efficiency Operation: Designed for high-efficiency power conversion, supporting a range of load conditions.
3. Adjustable Switching Frequency: The controller provides flexibility with a programmable frequency range from 50 kHz to 2 MHz.
4. Current-Mode Control: This feature offers superior line and load regulation, enhancing performance stability.
5. Internal Start-Up Regulator: Facilitates the start-up sequence and aids in power management.
6. Programmable Soft-Start: Allows controlled ramp-up of output voltage, reducing inrush current.
7. Cycle-by-Cycle Current Limiting: Protects the circuit by avoiding overcurrent conditions.
8. Thermal Shutdown: Integrated thermal protection prevents overheating, increasing reliability.
9. Precision Reference: Ensures accurate output voltage control.
10. Package: Available in a thermally efficient 8-pin VSSOP (MM) package.
These features make the LM5022MMX ideal for applications requiring efficient power conversion in compact designs.
1. Wide Input Voltage Range: It can operate from 4.5V to 60V, making it suitable for diverse applications.
2. High-Efficiency Operation: Designed for high-efficiency power conversion, supporting a range of load conditions.
3. Adjustable Switching Frequency: The controller provides flexibility with a programmable frequency range from 50 kHz to 2 MHz.
4. Current-Mode Control: This feature offers superior line and load regulation, enhancing performance stability.
5. Internal Start-Up Regulator: Facilitates the start-up sequence and aids in power management.
6. Programmable Soft-Start: Allows controlled ramp-up of output voltage, reducing inrush current.
7. Cycle-by-Cycle Current Limiting: Protects the circuit by avoiding overcurrent conditions.
8. Thermal Shutdown: Integrated thermal protection prevents overheating, increasing reliability.
9. Precision Reference: Ensures accurate output voltage control.
10. Package: Available in a thermally efficient 8-pin VSSOP (MM) package.
These features make the LM5022MMX ideal for applications requiring efficient power conversion in compact designs.
Pinout
The LM5022MMX is a high-voltage, low-side N-channel MOSFET controller for boost and SEPIC DC-DC converters. It typically comes in a VSSOP-8 package, meaning it has 8 pins. Here is a brief overview of the pin functions:
1. COMP (Pin 1): Compensation network connection for stabilizing the control loop.
2. FB (Pin 2): Feedback input for voltage regulation; connected to the output voltage through a resistor divider.
3. RT (Pin 3): Sets the oscillator frequency with an external resistor.
4. GND (Pin 4): Ground connection.
5. OUT (Pin 5): Drives the gate of the external MOSFET.
6. CS (Pin 6): Current sense input for cycle-by-cycle current limiting.
7. VCC (Pin 7): Supply voltage input.
8. VIN (Pin 8): Input voltage for powering the device.
These pins work together to regulate the output voltage by controlling the switching operation of the external MOSFET, thus allowing the LM5022MMX to efficiently manage power conversion tasks.
1. COMP (Pin 1): Compensation network connection for stabilizing the control loop.
2. FB (Pin 2): Feedback input for voltage regulation; connected to the output voltage through a resistor divider.
3. RT (Pin 3): Sets the oscillator frequency with an external resistor.
4. GND (Pin 4): Ground connection.
5. OUT (Pin 5): Drives the gate of the external MOSFET.
6. CS (Pin 6): Current sense input for cycle-by-cycle current limiting.
7. VCC (Pin 7): Supply voltage input.
8. VIN (Pin 8): Input voltage for powering the device.
These pins work together to regulate the output voltage by controlling the switching operation of the external MOSFET, thus allowing the LM5022MMX to efficiently manage power conversion tasks.
Manufacturer
The LM5022MMX is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components, including integrated circuits for applications in various industries such as automotive, industrial, personal electronics, and communications. TI is known for its innovation in analog and embedded processing technologies, making it a major player in the electronics and semiconductor industry.
Application
The LM5022MMX is a high-voltage, low-side N-channel MOSFET controller designed for boost, flyback, SEPIC, and forward converters. Its application areas include:
1. Telecommunications: Used in power supply units for telecom equipment.
2. Industrial Power Supplies: Helps in designing industrial-grade power supply systems.
3. LED Lighting: Useful in LED driver circuits for efficient power conversion.
4. Consumer Electronics: Employed in power adapters and chargers.
5. Automotive: Used in DC-DC converters for automotive electronics.
6. Renewable Energy Systems: Utilized in solar inverters and other renewable energy applications.
These areas leverage the LM5022MMX for its efficiency in high-voltage and high-frequency power conversion.
1. Telecommunications: Used in power supply units for telecom equipment.
2. Industrial Power Supplies: Helps in designing industrial-grade power supply systems.
3. LED Lighting: Useful in LED driver circuits for efficient power conversion.
4. Consumer Electronics: Employed in power adapters and chargers.
5. Automotive: Used in DC-DC converters for automotive electronics.
6. Renewable Energy Systems: Utilized in solar inverters and other renewable energy applications.
These areas leverage the LM5022MMX for its efficiency in high-voltage and high-frequency power conversion.
Package
The LM5022MMX is a high-voltage, low-side N-channel MOSFET controller from Texas Instruments, typically used for boost and SEPIC converter applications. It is offered in a "MSOP-8" package, which is a Mini Small Outline Package with 8 pins.
