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LM5034MTCX/NOPB
+Lista de MateriaisLM5034 HIGH VOLTAGE DUAL INTERLE
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FabricanteNational Semiconductor
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Peça do Fabricante #LM5034MTCX/NOPB
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up/Step-Down |
| Output Configuration | Positive, Isolation Capable |
| Topology | Forward Converter |
| Number of Outputs | 2 |
| Output Phases | 2 |
| Voltage - Supply (Vcc/Vdd) | 13V ~ 100V |
| Frequency - Switching | 200kHz, 600kHz |
| Duty Cycle (Max) | 76% |
| Synchronous Rectifier | Yes |
| Clock Sync | Yes |
| Control Features | Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-TSSOP |
| Base Product Number | LM5034 |
Visão Geral
Description
The LM5034MTCX/NOPB is a high-performance, synchronous PWM controller designed for use in DC-DC converters, particularly in applications requiring high efficiency and reliability. It features a wide input voltage range and is optimized for power supplies in telecom, industrial, and automotive applications.
Key features include a dual-phase architecture that enables higher power output and reduced component count, integrated driver for external MOSFETs, and advanced protection mechanisms such as over-voltage, under-voltage, and over-current protection. The LM5034MTCX/NOPB supports a variety of control schemes, including voltage mode and current mode, allowing for flexibility in design.
Additionally, it comes in a compact TSSOP package, making it suitable for space-constrained applications. The device is also noted for its thermal performance and ability to operate under varying load conditions, ensuring stable output.
Overall, the LM5034MTCX/NOPB is ideal for designers looking to develop efficient power management solutions with robust performance characteristics.
Key features include a dual-phase architecture that enables higher power output and reduced component count, integrated driver for external MOSFETs, and advanced protection mechanisms such as over-voltage, under-voltage, and over-current protection. The LM5034MTCX/NOPB supports a variety of control schemes, including voltage mode and current mode, allowing for flexibility in design.
Additionally, it comes in a compact TSSOP package, making it suitable for space-constrained applications. The device is also noted for its thermal performance and ability to operate under varying load conditions, ensuring stable output.
Overall, the LM5034MTCX/NOPB is ideal for designers looking to develop efficient power management solutions with robust performance characteristics.
Equivalent
The LM5034MTCX/NOPB is a high-voltage, high-efficiency PWM controller for power supplies. Equivalent products include the LM5035, LM5036, and LM5023 from Texas Instruments, as well as the MC34528 from ON Semiconductor. Other alternatives are the UC3843 from Texas Instruments and the NCP1250 from ON Semiconductor. Always verify specifications and application requirements for compatibility.
Features
The LM5034MTCX/NOPB is a high-performance, integrated pulse-width modulation (PWM) controller designed for use in power supply applications. Key features include:
1. Wide Input Voltage Range: Operates from 8V to 100V, suitable for various power supply designs.
2. High Efficiency: Designed for maximum efficiency in light load conditions, enhancing overall system performance.
3. Integrated Functions: Includes built-in soft-start, frequency compensation, and adjustable frequency operation.
4. Flexible Topology Support: Supports multiple configurations like boost, buck-boost, and flyback converters.
5. High-Speed Operation: Capable of switching frequencies up to 1MHz, allowing for compact designs.
6. Current Mode Control: Provides excellent line and load transient response.
7. Protection Features: Integrates over-voltage protection (OVP), under-voltage lockout (UVLO), and thermal shutdown for reliable operation.
8. Thermal Performance: Offers a robust thermal package for improved heat dissipation.
These features make the LM5034MTCX/NOPB ideal for applications in industrial power supplies, automotive, and telecom systems.
1. Wide Input Voltage Range: Operates from 8V to 100V, suitable for various power supply designs.
2. High Efficiency: Designed for maximum efficiency in light load conditions, enhancing overall system performance.
3. Integrated Functions: Includes built-in soft-start, frequency compensation, and adjustable frequency operation.
4. Flexible Topology Support: Supports multiple configurations like boost, buck-boost, and flyback converters.
5. High-Speed Operation: Capable of switching frequencies up to 1MHz, allowing for compact designs.
6. Current Mode Control: Provides excellent line and load transient response.
7. Protection Features: Integrates over-voltage protection (OVP), under-voltage lockout (UVLO), and thermal shutdown for reliable operation.
8. Thermal Performance: Offers a robust thermal package for improved heat dissipation.
These features make the LM5034MTCX/NOPB ideal for applications in industrial power supplies, automotive, and telecom systems.
Pinout
The LM5034MTCX/NOPB is a high-performance, isolated flyback controller with a total of 16 pins. It is designed for power supply applications, especially suitable for off-line power converters.
Pin Functions:
1. VCC - Supply voltage input.
2. GND - Ground reference.
3. VREF - Reference voltage output.
4. COMP - Compensation network connection.
5. CSN - Current sense negative input.
6. CSP - Current sense positive input.
7. RAMP - Ramp compensation input.
8. RT - Timing resistor input for frequency setting.
9. ISENSE - Input for sensing feedback signal.
10. FB - Feedback voltage input.
11. OUT - Gate driver output for the power switch.
12. VDD - Auxiliary power supply input.
13. SYNCH - External synchronization input.
14. SLOPE - Slope compensation input.
15. LATCH - Latching function input.
16. CT - Timing capacitor connection.
This device integrates features that ensure efficient operation and reliable performance in power supply designs.
Pin Functions:
1. VCC - Supply voltage input.
2. GND - Ground reference.
3. VREF - Reference voltage output.
4. COMP - Compensation network connection.
5. CSN - Current sense negative input.
6. CSP - Current sense positive input.
7. RAMP - Ramp compensation input.
8. RT - Timing resistor input for frequency setting.
9. ISENSE - Input for sensing feedback signal.
10. FB - Feedback voltage input.
11. OUT - Gate driver output for the power switch.
12. VDD - Auxiliary power supply input.
13. SYNCH - External synchronization input.
14. SLOPE - Slope compensation input.
15. LATCH - Latching function input.
16. CT - Timing capacitor connection.
This device integrates features that ensure efficient operation and reliable performance in power supply designs.
Manufacturer
The LM5034MTCX/NOPB is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits, which are crucial components in electronic systems. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its extensive range of products, including analog electronics, embedded processors, and digital signal processors.
The company primarily serves sectors such as automotive, industrial, communications, and consumer electronics, providing solutions that enhance the efficiency and performance of electronic devices. Texas Instruments is recognized for its innovation and commitment to advancing technology, playing a significant role in the development and supply of semiconductor products worldwide.
The company primarily serves sectors such as automotive, industrial, communications, and consumer electronics, providing solutions that enhance the efficiency and performance of electronic devices. Texas Instruments is recognized for its innovation and commitment to advancing technology, playing a significant role in the development and supply of semiconductor products worldwide.
Application
The LM5034MTCX/NOPB is a high-performance, dual-channel synchronous boost controller designed for various applications. Key application areas include:
1. Power Supply Systems: Used in telecom, industrial, and automotive power supplies for efficient voltage regulation.
2. Battery Management: Ideal for boosting battery voltage in portable devices and energy storage systems.
3. LED Drivers: Suitable for driving LED arrays in general lighting and display applications.
4. Consumer Electronics: Powers devices requiring stable voltages from low input sources.
5. Renewable Energy Systems: Enhances energy harvesting in solar and wind power applications.
Its efficiency and versatility make it suitable for diverse power electronics applications.
1. Power Supply Systems: Used in telecom, industrial, and automotive power supplies for efficient voltage regulation.
2. Battery Management: Ideal for boosting battery voltage in portable devices and energy storage systems.
3. LED Drivers: Suitable for driving LED arrays in general lighting and display applications.
4. Consumer Electronics: Powers devices requiring stable voltages from low input sources.
5. Renewable Energy Systems: Enhances energy harvesting in solar and wind power applications.
Its efficiency and versatility make it suitable for diverse power electronics applications.
Package
The LM5034MTCX/NOPB is packaged in a 28-pin TSSOP (Thin Shrink Small Outline Package). This package type offers a compact size suitable for space-constrained applications while providing good thermal performance.
