Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Not For New Designs |
| OutputType | Transistor Driver |
| Function | Step-Up/Step-Down |
| OutputConfiguration | Positive, Isolation Capable |
| Topology | Full-Bridge, Half-Bridge, Push-Pull |
| NumberofOutputs | 2 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 14V ~ 90V |
| Frequency-Switching | 200kHz, 600kHz |
| DutyCycle(Max) | 50% |
| SynchronousRectifier | No |
| ClockSync | No |
| ControlFeatures | Frequency Control, Soft Start |
| OperatingTemperature | -40°C ~ 105°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) |
Tổng quan
Description
The LM5030MM is a versatile integrated circuit designed by Texas Instruments, primarily used for power conversion applications. It functions as a pulse-width modulation (PWM) controller, ideal for designing DC-DC converters. The LM5030MM is optimized for both single-ended and isolated power supplies, making it suitable for forward, flyback, and boost converter topologies.
Key features of the LM5030MM include a wide input voltage range, programmable oscillator frequency, and high-speed operation. It also offers protection features such as over-current protection, under-voltage lockout, and thermal shutdown, enhancing the reliability of power supply designs.
The device integrates a dual-mode PWM controller and a high-voltage start-up regulator, which simplifies the design process and reduces the number of external components needed. The LM5030MM is typically housed in a Mini Small Outline Package (MSOP), allowing for compact circuit designs.
Overall, the LM5030MM is valued for its flexibility, efficiency, and ease of use in various power supply applications, catering to the needs of design engineers seeking robust solutions for energy-efficient power systems.
Key features of the LM5030MM include a wide input voltage range, programmable oscillator frequency, and high-speed operation. It also offers protection features such as over-current protection, under-voltage lockout, and thermal shutdown, enhancing the reliability of power supply designs.
The device integrates a dual-mode PWM controller and a high-voltage start-up regulator, which simplifies the design process and reduces the number of external components needed. The LM5030MM is typically housed in a Mini Small Outline Package (MSOP), allowing for compact circuit designs.
Overall, the LM5030MM is valued for its flexibility, efficiency, and ease of use in various power supply applications, catering to the needs of design engineers seeking robust solutions for energy-efficient power systems.
Equivalent
The LM5030MM is a PWM controller used in power supply applications. Equivalent products include:
1. UC3842: A widely used PWM controller for off-line switching power supplies.
2. NCP1252: An ON Semiconductor PWM controller with low standby power.
3. TL494: A Texas Instruments PWM controller for various power supply designs.
4. SG3525A: A PWM controller often used in DC-DC converters.
Always check electrical specifications and pin compatibility before substituting to ensure they meet your application's requirements.
1. UC3842: A widely used PWM controller for off-line switching power supplies.
2. NCP1252: An ON Semiconductor PWM controller with low standby power.
3. TL494: A Texas Instruments PWM controller for various power supply designs.
4. SG3525A: A PWM controller often used in DC-DC converters.
Always check electrical specifications and pin compatibility before substituting to ensure they meet your application's requirements.
Features
The LM5030MM is a high-voltage PWM controller designed for use in a variety of power supply applications. Key features include:
1. Wide Input Range: Supports input voltages up to 100V, making it suitable for high-voltage applications.
2. Dual-Mode Operation: Capable of both push-pull and half-bridge operation, offering versatility in design.
3. Integrated High-Side and Low-Side Drivers: Simplifies the design by driving external MOSFETs directly.
4. Programmable Oscillator Frequency: Allows customization of the switching frequency via an external resistor and capacitor.
5. Cycle-by-Cycle Current Limiting: Enhances protection by preventing excessive current through the power devices.
6. Soft-Start Capability: Reduces inrush current during startup, improving system reliability and performance.
7. Dead Time Control: Adjustable dead time between the high-side and low-side drivers to optimize efficiency and reduce switching losses.
8. Protection Features: Includes under-voltage lockout (UVLO) and thermal shutdown to safeguard the device and connected components.
These features make the LM5030MM an adaptable solution for designing robust power supplies.
1. Wide Input Range: Supports input voltages up to 100V, making it suitable for high-voltage applications.
2. Dual-Mode Operation: Capable of both push-pull and half-bridge operation, offering versatility in design.
3. Integrated High-Side and Low-Side Drivers: Simplifies the design by driving external MOSFETs directly.
4. Programmable Oscillator Frequency: Allows customization of the switching frequency via an external resistor and capacitor.
5. Cycle-by-Cycle Current Limiting: Enhances protection by preventing excessive current through the power devices.
6. Soft-Start Capability: Reduces inrush current during startup, improving system reliability and performance.
7. Dead Time Control: Adjustable dead time between the high-side and low-side drivers to optimize efficiency and reduce switching losses.
8. Protection Features: Includes under-voltage lockout (UVLO) and thermal shutdown to safeguard the device and connected components.
These features make the LM5030MM an adaptable solution for designing robust power supplies.
Pinout
The LM5030MM is a high-voltage half-bridge PWM controller IC. It typically comes in a 10-pin Mini Small Outline Package (MSOP). Here's a concise overview of its pin functions:
1. VCC: Power supply input for the IC.
2. OUT_A: High-side gate driver output.
3. OUT_B: Low-side gate driver output.
4. VC: Output driver supply voltage.
5. CS: Current sense input.
6. COMP: Compensation pin for the error amplifier.
7. RT: Resistor timing pin to set the oscillator frequency.
8. SS: Soft-start control input.
9. GND: Ground connection.
10. UVLO: Under-voltage lockout programming pin.
These pins are configured to enable the LM5030MM to efficiently control power conversion applications, with integrated features for protection and performance enhancement.
1. VCC: Power supply input for the IC.
2. OUT_A: High-side gate driver output.
3. OUT_B: Low-side gate driver output.
4. VC: Output driver supply voltage.
5. CS: Current sense input.
6. COMP: Compensation pin for the error amplifier.
7. RT: Resistor timing pin to set the oscillator frequency.
8. SS: Soft-start control input.
9. GND: Ground connection.
10. UVLO: Under-voltage lockout programming pin.
These pins are configured to enable the LM5030MM to efficiently control power conversion applications, with integrated features for protection and performance enhancement.
Manufacturer
The LM5030MM is a product manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company known for producing a wide range of analog and embedded processing chips. They serve industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is renowned for its innovation in designing and producing semiconductors that enable advanced electronic systems across various applications.
Application
The LM5030MM is a high-voltage PWM controller designed for flyback and forward DC-DC converters. It is commonly used in applications requiring isolated power solutions. Key applications include telecommunications equipment, industrial control systems, and distributed power architectures. The device is favored for its ability to operate over a wide input voltage range, making it suitable for off-line and battery-powered applications. The LM5030MM is also used in energy-efficient power supplies, LED drivers, and automotive power systems, where precise voltage regulation and high efficiency are critical. Its features, such as programmable switching frequency, soft-start capability, and overcurrent protection, make it versatile for various demanding applications.
Package
The LM5030MM is a half-bridge PWM controller from Texas Instruments, typically housed in a VSSOP (Very Thin Shrink Small Outline Package) package with 10 pins. This package type is known for being compact, which suits space-constrained applications.
