L4984DTR

The L4984DTR is a high-performance, dual-channel DC-DC step-down (buck) switching regulator designed for applications requiring efficient power management. It offers a wide input voltage range, typically from 4.5V to 40V, making it suitable for various power supply scenarios. The regulator features integrated power switches, which help reduce external component count and overall system size.
With a maximum output current of 3A per channel, the L4984DTR can efficiently deliver the required power to microcontrollers, sensors, or other peripherals. It incorporates advanced features like adjustable output voltage, short-circuit protection, and thermal shutdown, enhancing reliability and safety in operation.
The device operates in a pulse-width modulation (PWM) mode for high efficiency, particularly under load, and provides an option for frequency synchronization to minimize electromagnetic interference. Its compact package and robust performance characteristics make the L4984DTR ideal for automotive, industrial, and consumer electronics applications requiring reliable and efficient power conversion.

The L4984DTR is a high-voltage step-down (buck) regulator. Equivalent products include the LM2596, LM2675, and LMR14030. Other alternatives are the TPS54331 and MIC2941. When selecting a substitute, ensure compatibility with input/output voltage, current ratings, and switching frequency specifications. Always check the manufacturer's datasheets for specific application requirements.

The L4984DTR is a high-performance, step-down (buck) switching regulator designed for voltage conversion in various applications. Key features include:
1. Input Voltage Range: Operates from 10V to 40V, accommodating a wide range of power supply sources.
2. Output Current: Capable of delivering up to 3A of continuous output current.
3. Adjustable Output Voltage: The output voltage can be set from 1.2V to 20V through external resistors.
4. High Efficiency: Designed for high efficiency, reducing heat generation and improving thermal management.
5. Integrated PWM Control: Features Pulse Width Modulation (PWM) control for precise voltage regulation.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and under-voltage lockout for enhanced reliability.
7. Compact Package: Available in a thermally enhanced package, ideal for space-constrained applications.
These features make the L4984DTR suitable for industrial, automotive, and consumer electronics applications where efficient power management is crucial.

The L4984DTR is a high-voltage power supply controller with a pin count of 16. It is designed for applications such as switch-mode power supplies (SMPS) and provides features like current mode control, overvoltage protection, and thermal shutdown.
### Pin Functions:
1. Pin 1 (VCC): Supply voltage for the IC.
2. Pin 2 (RAMP): Ramp signal input for current mode control.
3. Pin 3 (COMP): Compensation network connection for stability.
4. Pin 4 (ISENSE): Current sense input for peak current limiting.
5. Pin 5 (CSGND): Ground reference for current sensing.
6. Pin 6 (GND): Ground pin for the IC.
7. Pin 7 (VREF): Reference voltage output.
8. Pin 8 (FB): Feedback pin for error amplifier input.
9. Pin 9 (PWM): Pulse-width modulation output.
10. Pin 10 (SENSE): Additional current sensing.
11. Pin 11 (OVP): Overvoltage protection input.
12. Pin 12 (RT): Timing resistor for setting frequency.
13. Pin 13 (CT): Timing capacitor connection.
14. Pin 14 (VCC2): Secondary supply voltage.
15. Pin 15 (SS): Soft-start function.
16. Pin 16 (GND2): Second ground reference.
These functions support various control and protection mechanisms in power supply designs.

The L4984DTR is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics is headquartered in Geneva, Switzerland, and specializes in the design, development, and production of a wide range of semiconductor devices. Their offerings include microcontrollers, analog ICs, digital ICs, and power management solutions, serving various industries such as automotive, industrial, consumer electronics, and communication. The company focuses on innovation and sustainability, often contributing to advancements in smart driving, smart home technology, and the Internet of Things (IoT).

The L4984DTR is a high-voltage, high-current step-down switching regulator. Its application areas include:
1. Power Supply for Industrial Equipment: Used in automation and control systems.
2. Telecommunications: Power supplies for base stations and communication devices.
3. LED Drivers: Efficient driving of high-power LED arrays.
4. Consumer Electronics: Power management in TVs, audio systems, and appliances.
5. Automotive Applications: Power supplies for infotainment systems and electronic control units.
It is valued for its efficiency, robustness, and ability to handle high load currents.

The L4984DTR is packaged in a PowerSO-20 package. This package type is designed for efficient thermal performance and compactness, making it suitable for applications in power management and automotive systems.